Top five energy users in your home

A starting point for savings

By Anne Prince

While most homeowners would like to be more energy efficient and save money, often it feels overwhelming because many people don’t know where to start. How can the average family use less energy, lower their utility bill and still meet their daily energy needs? To help jumpstart your effort, it is useful to know what the top energy users are in your home. With this knowledge, you can choose a path that works best for your family.

According to the U.S. Energy Information Agency, the top five energy users in U.S. homes are:

  1. Space cooling
  2. Space heating
  3. Water heating
  4. Lighting
  5. Refrigeration

Adjust the temperature

Together, home heating and cooling use the most energy and take the biggest bite out of your energy budget. On the bright side, there are ways you can achieve at least 10 percent savings by taking a few simple low-cost or no-cost steps.

  • During cold weather, set your thermostat to 68 degrees Fahrenheit.
  • During warm weather, the recommended indoor temperature is 78 degrees Fahrenheit.
  • Cleaning the filters of your HVAC system can cut costs from five to 15 percent.
  • Clean the coils around your electric baseboard heater to maintain maximum efficiency.
  • Caulk and weather-strip around windows and doors to prevent heat from escaping to the outdoors.

No matter what the climate or time of year, proper use of a programmable thermostat can save you 10 percent on your monthly utility bill.

Shine the light on savings

Take a fresh look at the lighting in your home. If you still use incandescent lighting, your light bulbs are operating at only 25 percent energy efficiency. Replacing your home’s five most frequently used bulbs with Energy Star-certified LEDs can save you $75 per year. Another easy way to save is to always turn lights off in rooms that are not being used.

Water heating efficiency

Just as it is energy-wise to insulate your roof, wall or floor, it also pays to wrap your hot water heater with an insulating blanket. This is all the more critical if you have an older unit. Make sure to follow the manufacturer’s instructions. For additional efficiency and savings, insulate exposed hot water lines and drain one to two gallons of water from the bottom of your tank annually to prevent sediment build-up.

Put cold hard cash back in your wallet

If your refrigerator was purchased before 2001, chances are it uses 40 percent more energy than a new Energy Star model. If you are considering an appliance update, a new Energy Star refrigerator uses at least 15 percent less energy than non-qualified models and 20 percent less energy than required by current federal standards. Regardless of the age of your fridge, there are additional steps you can take to save energy and money. For example, don’t keep your refrigerator too cold. The Department of Energy recommends temperatures of 35 – 38 degrees Fahrenheit for the fresh food compartment and 0 degrees Fahrenheit for separate freezers (used for long-term storage).

By understanding how your home uses energy, you can determine the best ways to modify energy use and keep more money in your wallet. For additional ways to save, visit our energy page or contact your local electric cooperative.

Top Five Energy Users

Top Five Energy Users

Anne Prince writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

Residential lighting goes high-tech

Until recently, homes were lit with a single technology—incandescent lamps. This is the bulb that generations of Americans learned by, lived by—and even ate by. But those days are long gone.

Over the past 20 years, electric co-ops have promoted efficient lighting by adding CFLs to the mix. In 2012, about 30 percent of U.S. residential sockets were filled with CFLs, with incandescents making up the remaining 70 percent. Today, LED bulbs and fixtures are increasingly preferred in many residential and commercial applications for their efficiency, quality of light and compatibility with automatic controls.

Changes to federal lighting standards went into effect for incandescent bulbs in 2007, when Congress passed and President George W. Bush signed the Energy Independence and Security Act of 2007 (EISA), which included provisions to reduce the energy use of everyday light bulbs.

At the same time, through industry efforts and government investment, LEDs dramatically improved in performance and dropped in price, making them appealing options for many applications.

In the first quarter of 2015, traditional incandescents accounted for just nine percent of the market share in household lighting. EISA-compliant halogen incandescent replacements made up more than 44 percent of the market, with CFLs at 40 percent. And although the percentage of LED sales has increased dramatically over the last year, they made up just over 6 percent of the market share in the first quarter of 2015.

LEDs offer features beyond energy efficiency. Some LEDs are part of a system that allows the user to turn off lamps – or even change their color – via a smartphone app. This makes the LED lamp more of a consumer electronic than just a light bulb.

LEDs are essentially computer chips, so they are more difficult to produce than incandescent bulbs. This is one product where cheaper versions often produce a life span and color that is not what the consumer wants. Higher quality LEDs from reputable brands—such as GE, Philips, Cree and Sylvania to name a few—have tested well.

However, some fixtures inside the home do not work well with LEDs. Consumers with older dimmer switches often find that they must purchase newer switches to work with the LEDs. Consumers should pick LED lamps that come with a solid warranty in case there is a problem with quality.

What’s next? While LEDs are still on the cusp of becoming our everyday lighting, there are other technologies in development. Organic Light Emitting Diodes (OLEDs) are similar to LEDs in that they are solid-state devices that produce light when current passes through them. But unlike LEDs, they are made up of multiple, organic semi-conductive layers that produce diffused light. OLEDs are extremely thin and flexible, which has enabled them to be effectively used in displays, like mobile phone screens and TVs. Manufacturers are developing OLED lighting as well—primarily for decorative architectural panels at this point, although some OLED lamps are available today.

It appears that the age of the LED has begun. They are shatter resistant and have a long life. And yes, some even come with their own app.

 

Brian Sloboda is a program manager specializing in energy efficiency for the National Rural Electric Cooperative Association.

Laura Moorefield consults for utilities, state and federal governments, and non-profits on energy efficiency, renewables, and program design. Laura founded Moorefield Research & Consulting, LLC in 2013. She currently resides in Durango, CO and is a member of La Plata Electric Association.

/by

Five quick tips to save energy

/by
,

Cooking up holiday energy savings

For many of us, the best holidays involve home-cooked meals and wonderful aromas of turkey, dressing and baked goods wafting throughout the house. It means a busy kitchen and a bustling house full of family and friends. If this rings true for you, you still have an opportunity to save energy during the holidays despite the increased kitchen activity.

Cut carbs (carbon) painlessly

In addition to being the “heart of your home,” your kitchen could pump savings back into your wallet.  According to the Department of Energy, cooking accounts for 4.5 percent of total energy use in U.S. homes. This number, combined with the energy use associated with refrigeration, dishwashing and water-heating, means that as much as 15 percent of the energy in the average American home is used in the kitchen. So, saving energy here can have a significant impact on your household budget.

For example, when preparing side dishes, baked goods, soups and such, consider using a small appliance like a slow-cooker, toaster oven, microwave or warming plate instead of your conventional oven or stovetop. These small appliances are smart, energy-saving alternatives, typically using about half the energy of a stove.

Seal in efficiency

When using your oven, don’t peek! Opening the oven door can lower the temperature by as much as 25 degrees and causes your stove to work harder (consuming more energy) to return to the set cooking temperature. If your recipe calls for baking the dish more than an hour, it is not necessary to preheat the oven.  If your oven is electric, you can likely turn the oven off for the last five to 10 minutes of cooking and allow the residual heat to complete the job. Clean burners and reflectors increase efficiency and offer better heating, so don’t neglect this small but important task.

Just as keeping the oven door closed seals in efficiency and enables the stove to operate more economically, the same rules apply to the refrigerator and freezer. Keep the doors closed as much as possible so cold air doesn’t escape. However, leaving the door open for a longer period of time while you load groceries or remove items you need is more efficient than opening and closing it several times.

If you are entertaining a large group, you may be able to give your furnace a brief holiday. When your oven is working hard and you have a house full of guests, the heat from the stove and the guests will keep your house comfortable, enabling you to turn down the thermostat.

Clean up with energy savings

When it’s time to clean up, extend fellowship to the kitchen, and wash and dry dirty dishes by hand. This uses less energy than a dishwasher. However, don’t leave the water running continuously or you will waste energy. If you do use the dishwasher and rinse dishes before loading them, use cold water. Run the dishwasher with full loads only, and, if possible, use the energy-saving cycle. Note that dishwashers that have overnight or air-dry settings can save up to 10 percent of your dishwashing energy costs.

By adapting these efficient practices in your kitchen, energy savings will be one more thing to be thankful for this holiday season.

Anne Prince writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by
,

LEDs for the holidays

“LED, LED, LED!’” (Imagine this being chanted the way “USA” is at the Olympics.) While light-emitting diodes won’t necessarily anchor a relay to victory, they are most certainly the current champions when it comes to energy-efficient lighting. So let’s discuss using LEDs for your holiday decorating enjoyment.

When I was a kid, we enjoyed decorating with large painted incandescent bulbs. My dad would hang them around the front door, and we’d deck out the tree with a couple of strings. They were glorious! And hot, posing a real danger when used on a dry tree.

Fast-forward a couple of decades, and the energy-conservation movement created a demand for more-efficient options. Enter the mini incandescent light strings. These are still widely used today and dramatically reduced the power consumed by their predecessors.

As is true in our technological age, manufacturers didn’t stop looking for even more efficient alternatives. This led to the introduction of LED lights. The first incarnations generated less than appealing garish blues, greens and reds but quickly softened into a more eye-pleasing spectrum. Today, LEDs are the undisputed champs of holiday lighting.

You could literally wrap your home in LED light strings, become visible to the International Space Station and still have a pleasantly manageable power bill at the end of it all. Now there is no reason to let concerns over cost of operation limit your decorating genius.

LEDs are also showing up in other forms and places. They are available in clear tubes that you can wrap around objects for extra interest (the tubes glow), and many yard figures are constructed with these as the main structural element. Imagine the possibilities!

Now if that isn’t enough for your holiday pleasure, how about wearing some holiday LED bling? Yes, the tacky (but ever so popular) holiday tie with tiny lights that illuminate has been around for years. But, combine the advances in LEDs with conductive paints and micro controllers like the Arduino or Raspberry Pi, and you can create some truly memorable fashions for the holidays. Just imagine the sensation you can cause at the office holiday party arriving in a coat of many, many colors. You could even spell out special holiday greetings with the proper display or simply glow all night long. Don’t worry about needing clunky power supplies or treacherous extension cords to keep your fashion style illuminated. These displays sip electricity from batteries like a fine wine. Just be sure to turn yourself off before driving home.

Two of my favorite sources for such goodies are www.sparkfun.com and www.adafruit.com (click the “wearables” link at either).

You have worked hard all year to reduce your energy consumption to save money and slim down your carbon footprint. Now reward yourself with a splendid holiday display that will be the envy of all who see it while you remain miserly with power use.

Tom Tate writes on cooperative issues for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

Saving energy in the kitchen

The holidays are upon us, which means most of us will be spending a lot of time in the kitchen. Whether you are considering replacing an appliance or simply looking for small ways to be more efficient, here are some tips to help you save energy – and money!

It sits in the kitchen, quietly humming away to keep your food cold. Most people don’t think about their refrigerator that often – as long as it’s working. A refrigerator typically runs for several years without any problems – but that doesn’t mean it’s performing to its optimal capacity. Older refrigerators use more energy. Upgrading this appliance can bring a major return on your investment.

According to Energy Star, if your refrigerator is from the 1980s, replacing it with a new model could cut your electric bill by $100 a year. If you bought your refrigerator in the 1970s, the savings could be as much as $200 a year.

Cooking can also be a big energy expender – in more ways than one! But there are a few ways to save energy while cooking. Placing the lid on a pot of boiling water will trap heat and cause the water to come to a boil faster. And there is no need to preheat the oven when cooking a large piece of meat, like a turkey or ham (you do need to preheat when baking or cooking smaller dishes). And, if you are planning on using the oven for a long period of time – for instance, when you are cooking one of those large pieces of meat – you might be able to turn down your home’s thermostat. The simple act of cooking will add warmth to the home because the heat from the oven can raise the temperature in the kitchen and surrounding rooms. This is especially true if you are hosting a party. Once your home begins to fill with people, the temperature will quickly begin to rise.

Even after the meal is over, there are still ways for you to save energy. The first is to make sure that your dishwasher is full before it’s started. Next, make sure you are using the right setting on your dishwasher. Many newer dishwashers have sensors that detect how clean your dishes are. When these auto cycles are used, they will get dishes clean without wasting energy or water. The sanitize setting should rarely be used since it is energy intensive. It is also a good idea to make sure the filter at the bottom of the wash-tub is cleaned. This will help the washer work at its optimal level.

One of the cheapest and easiest ways to save energy in the kitchen is to replace existing lights with LEDs. Not only do they use less energy – you don’t have to replace them nearly as often. Plus, their costs have come down in recent years, making them far more affordable to install. (Note: if you currently have linear fluorescent lamps, converting to LEDs may be too expensive to justify).

As you can see, there are many different ways to practice efficiency in the kitchen, and who knows – you could even save enough money to treat the family to dinner out a couple of times a year.

Brian Sloboda is a senior program manager specializing in energy efficiency for the Cooperative Research Network, a service of the Arlington, Va.-based National Rural Electric Cooperative Association. The Cooperative Research Network monitors, evaluates, and applies technologies that help electric cooperatives control costs, increase productivity, and enhance service to their consumers. Additional content provided by ESource.

/by
, ,

Shield your home from energy loss with adequate insulation

By Anne Prince

Walls. Floors. Ceilings. Attic. These are some of the prime areas of a home that need insulation in order for you to maximize energy efficiency. According to the Department of Energy (DOE), adding insulation to your home is a sound investment that is likely to quickly pay for itself in reduced utility bills. In fact, DOE estimates that you can reduce your heating and cooling needs up to 30 percent by properly insulating and weatherizing your home.

If your home is more than 20 years old and was not specifically constructed for energy efficiency, additional insulation can likely reduce your energy bills and increase the comfort level of your home. The actual amount of savings for each home depends upon several factors—the current level of insulation, your climate, efficiency of your heating/cooling system and your utility rates. On average, older homes have less insulation than homes built today, but even adding insulation to a newer home can pay for itself within a few years.

So, where do you start?

You first need to determine how much insulation you already have in your home and where it is located. If you need assistance, many electric cooperatives conduct energy efficiency audits for the home and will check insulation as a routine part of the assessment. For those with the DIY spirit, you can conduct an insulation audit yourself using TVA’s eScore self audit.

Here is what you will should be looking for:

  • Where your home is, isn’t, and/or should be insulated
  • The type of insulation in your home
  • The R-value and the thickness or depth (inches) of the insulation

A prime area that is chronically under-insulated is the attic. Whether you live in a cool or warm climate, attic insulation is essential to help keep warm air inside in the winter and prevent hot attic air from heating your living spaces in the summer. If you have R-19 or less insulation in your attic, consider bringing it up to R-38 in moderate climates and R-49 in cold climates. For flooring in cold climates, if you have R-11 or less insulation, consider bringing it up to R-25.

How does insulation work?

Heat flows naturally from a warmer space to a cooler space. During winter months, this means heat moves directly from heated living spaces to adjacent unheated attics, garages, basements and even outdoors. It can also travel indirectly through interior ceilings, walls and floors—wherever there is a difference in temperature. During summer months, the opposite happens—heat flows from the exterior to the interior of a home. Proper installation of insulation creates resistance to heat flow. Heat flow resistance is measured or rated in terms of its R-value—the higher the R-value, the greater the insulation’s effectiveness. The more heat flow resistance your insulation provides, the lower your heating and cooling costs will be.

Save green by going green

Today, you have choices when it comes to selecting insulation for the home, including an environmentally-friendly option made of recycled materials, such as scrap blue jeans. It looks similar to chopped up blue jeans and is treated for fire safety. With an insulating R-value similar to fiberglass insulation, this blue-jean insulation is a great option.

Get started and get saving

While an older home will never be as efficient as a new home, an insulation upgrade will make a noticeable difference in your energy use and wallet. A well-insulated home is one of the most cost-effective means of saving energy and decreasing heating and cooling bills. For more information, contact your local electric cooperative.

 

201509_DS_EFFICIENCY_Where_to_insulate_withbasement

 

Anne Prince writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

A Change for the Better

It’s the little things

When it comes to energy efficiency in the home, sometimes small changes can make a big impact. A small, unglamorous task like changing the filters on your HVAC system makes your unit run more efficiently – keeping your house cooler in the summer and warmer in the winter. It also saves money. And the savings gained from having your system run more efficiently can be applied to more fun or entertaining pursuits that your family can enjoy together.

The lowdown on dirt

As you move around your home, you drive dust into the air from carpets, furniture and drapes. Regardless of where it comes from, dust and dirt trapped in a system’s air filter leads to several problems, including:

  • Reduced air flow in the home and up to 15 percent higher operating costs
  • Costly duct cleaning or replacement
  • Lowered system efficiency

Making the switch

Now, that you know the facts, it’s time to get busy changing or cleaning the air filter in your heating/cooling system. Many HVAC professionals recommend that you clean or change the filter on your air conditioner or furnace monthly. It’s simple and easy, and in many cases, it only takes a few minutes.

Filters are available in a variety of types and efficiencies, rated by a Minimum Efficiency Reporting Value (MERV). MERV, a method developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers, tests filter effectiveness. The higher the MERV number, the higher the filter’s effectiveness at keeping dust out of your system. While most types of filters must be replaced, some filters are reusable. And don’t forget about the winter months. Your heating system needs to work as efficiently as possible to keep you warm (and your loved one feeling snuggly), and a clean air filter helps it do just that.

Heating and cooling professionals recommend turning your system off before changing the air filter. Make sure that the arrow on the filter – which indicates the direction of the airflow – is pointing toward the blower motor. When you’ve made the change, turn your system back on.

A teachable moment

Beyond saving money and improving the air quality in your home, changing your air filter is a great opportunity to teach your family more about energy efficiency. Consider getting everyone involved, and the entire family will learn how simple changes can make a big difference.

For other tips on how to save, visit tnelectric.org/efficiency, or call the efficiency experts at your local electric co-op.

 

Anne Prince writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

Winning means using less

America is a competitive country. Fast cars, backboard shattering dunks and upper deck home runs get our adrenaline pumping. We even turn eating into a competition. So why not turn energy efficiency into a competitive effort?

Most people agree that using energy wisely is a smart decision. It’s good for your wallet, and it’s good for the planet. But let’s be honest – it can be pretty boring. Dancing with the Stars turned ballroom dancing into something exciting, so the same can be done with energy efficiency.

Several utilities have used the concept of energy challenges to turn energy efficiency into something that gets people excited, and it’s easy to recreate this friendly form of competition. All you need are two groups or even just one family to turn finding energy hogs into a fun activity that saves money.

So, how can you get in on the fun? You will want to compare your energy use this month to the same month last year. This will give a more accurate account of your use. If you don’t want to compare to the same month as last year, you can also do a month-to-month or even week-to-week comparison. Just use data that you can easily access – and remember, this is meant to be fun.

Let’s use an energy competition between two neighbors as an example. Both neighbors will need to know what their baseline energy use is (contact your utility provider if you do not have this information handy). Ideally, use the month from the prior year. This is the number that you will be competing against. The goal of the competition is to have the greatest percentage reduction for the month against that baseline. Now the fun starts. Simply figure out ways to reduce your energy use by the largest amount without spending more than $50. The goal is fun and easy. You shouldn’t have to spend hundreds or thousands of dollars on improvements to make a positive impact.

The secret weapon to winning will be to use your kids, since they are amazingly creative and have a unique way of looking at things. Here are some of their suggestions for winning strategies:

  • Go camping outside for a few days instead of living inside the house
  • Cook meals on a grill instead of the kitchen
  • Watch less TV, disconnect the video game system or turn off the computer (Please be aware that these tips may lead to family bonding time.)
  • Unscrew some light bulbs
  • Unplug battery and cell phone chargers
  • Cut down on washing by using washing machines and dishwashers only when they are truly full
  • “Fine” family members (usually the husband or kids) for leaving the lights on in an empty room or a door to the outside open

Once the competition starts, engage everyone in your home to brainstorm ideas to reduce energy use. Challenge everyone in your home to develop a list of things to do. The person with the longest list could win a candy bar. Then do them. Equip the kids with caulk guns to shoot the energy leaks or weather stripping to reinforce the windows. Try to turn everything into a game or a race.

What does the winner of the competition get? In this sort of competition, everyone wins because they are saving energy and saving money. But the prize can be as simple as a pizza party for the winner. Several colleges have tried energy competitions among their dorms. It is amazing what college students will do to earn a free pizza party.

How much energy can you save doing a competition like this? Electric co-ops that have engaged their members in these sorts of competitions have reported energy savings ranging from 9 to 58 percent. Those that saved the most made more drastic changes, such as grilling or camping. The energy savings do go down once the competition ends. But co-ops have found that even when the competition is over, those who played the game are still using less energy than before the competition, and some of the easier behaviors like only running a full dishwasher or unscrewing light bulbs stick.

These ideas can be fun for all who compete, but making a long-lasting impact on home energy savings is the best prize of all!

 

Thomas Kirk is a technical research analyst specializing in energy efficiency and renewable energy for the Cooperative Research Network (CRN), a service of the Arlington, Va.-based National Rural Electric Cooperative Association.

/by

To seal or not to seal

By Bret Curry

To seal or not to seal the crawl space is a recurring dilemma for many homeowners. To begin, why do homes have crawl spaces? Crawl spaces became a byproduct when concrete block foundations were introduced. They cost less than basements to build, and they provide access to plumbing, ductwork and some electrical components. Decades ago, conventional wisdom introduced vents, and it was believed they would keep the crawl space area dry. However, the vents introduced a few laws of unintended consequences.

But years of field practice by industry experts, a better understanding of building science, the introduction of diagnostic equipment, relative humidity and dew point monitors and infrared cameras have unveiled some compelling facts about crawl spaces. In fact, many builders across the country who understand building science are no longer building vented crawl spaces, and some building codes are even changing to accept properly sealed crawl spaces.

Experience has taught us that a properly sealed crawl space with a properly installed moisture barrier will dramatically reduce unwanted moisture and thwart heat gain and loss. Proper air and moisture sealing improves comfort and reduces heating and cooling costs. Additional benefits are the elimination of the earthy smell inside a home caused by a damp crawl space and elimination of the environment that promotes the growth of mold and mildew – even the floors will be warmer during the winter. Also, properly sealed crawl spaces can be used for storage.

Many existing homes with vented crawl spaces can be retrofitted and sealed if they meet some very important criteria. First, let’s address how nature affects the crawl space. Remember, heat moves to cool on our wonderful planet. On a summer day, our nice cool crawl space becomes an attraction for hot and humid air. The hot air moves through the vents to the cooler crawl space causing everything to become warmer — even the ductwork and floors. If the ground is not properly covered with a moisture barrier, water vapor from the ground and air will condense on cooler surfaces. This is why most ductwork located in vented crawl spaces has evidence of condensation with mold and mildew on the outer side of the insulation. Uninsulated ducts may even show signs of rust and corrosion. The opposite happens during the winter. The warmer air under the floor escapes through the foundation vents. This causes the floors to become quite cold, even causing pipes to freeze and break.

If you can answer “yes” to the questions below about your crawl space, you could be a candidate for sealing:

  • Is your crawl space dry year-round without any standing or recurring drainage problems?
  • Is your home free from any plumbing leaks?

If you answered “yes,” you may consider a sealed crawl space.

Sealing a crawl space is not that difficult, but it does take time to properly complete the job. A rigid moisture barrier is paramount. There are companies that sell quality watertight moisture barriers and special mastics and tapes to assure an airtight and waterproof seal. Foam board can be used for sealing the inner side of the vents.

If you live in an area where radon could be an issue, I suggest contracting with an authorized entity to handle your project. Also, if you live in an area where termites exist and insurance is required, I suggest that you contact your policyholder and inquire about their parameters concerning sealed crawl spaces. They may require a gap between the top of the moisture barrier and the band joist for inspection purposes. Many termite companies now offer this service.

Be sure to visit www.smartenergytips.org or Facebook www.facebook.com/SmartEnergyTips.org for dozens of energy savings ideas.

Bret Curry is the residential energy manager for Arkansas Electric Cooperative Corporation.

/by

Home energy networks offer new tools for energy management

Nearly three quarters of U.S. households subscribe to high-speed, broadband Internet service, and most of them are blanketed in Wi-Fi networks. Most households, in other words, are already high-speed Internet gateways, and Americans are increasingly filling them with more connected devices, expanding the universe of products — smart appliances, streaming media players, smart thermostats, and “traditional” networked devices like computers and mobile devices — that can communicate with each other and the Internet.

Homeowners use networks for a variety of purposes, including security, productivity and entertainment, but as network connectivity and control expand to large residential end uses like appliances, heating, air conditioning, lighting and electronics, these networks can increasingly be leveraged for energy monitoring. These home energy networks connect energy-using devices to provide services related to the consumption of energy.

At their most basic, home energy networks provide information on energy use and control over connected devices. Forget to turn off the lights or turn down the thermostat before going on vacation? Need to see how much money you’re spending to run laundry equipment? With home energy networks, there’s an app for that.

Advanced home energy networks can analyze use trends, suggest behavior changes, automate/optimize the setup of certain devices and frequently provide mobile apps to centralize settings and controls. A well-known example is the Nest Learning Thermostat, which users train to recognize their temperature preferences and away-from-home schedules. The more complicated the network and the greater number of connected devices, the deeper the potential energy savings and the more sophisticated these “orchestrations” become. In the most advanced systems, homeowners can create scenarios that effectively provide a “sleep” or “standby” mode for the entire house.

Home energy networks require a lot more than a smartphone and software wizardry. There can be significant hardware investments. Often systems cannot effectively communicate between manufacturers. Of course, some systems will be difficult to set up and configure. But some can be up and running in under two minutes. The combinations of systems are almost endless, and the array of options can be confusing. New players are constantly entering the market offering the killer app to solve all of your home networking problems.

Anyone looking to automate their home or monitor their home remotely should first ask what one or two things they really want to use — not what is trendy, but what is practical and useful. If your schedule is unpredictable, then a smart thermostat may be the best option. It will help you to make your home comfortable when you arrive while saving money when you are away. If you entertain a lot, then one of the smart lighting systems may be the best bet. They allow you to change the light output and color based on how you are using the room. They can help you make the room more romantic for that special someone or set the right light level for watching a movie.

Big box stores are devoting prominent shelf space to a plethora of home energy network systems and devices. The challenge for consumers will be to find systems that perform a useful function and can be installed without having to consult customer support — or a third grader.

 

Brian Sloboda is a senior program manager specializing in energy efficiency for the Cooperative Research Network (CRN), a service of the Arlington, Va.-based National Rural Electric Cooperative Association.

Laura Moorefield is the founder Moorefield Research & Consulting, LLC in 2013. She currently resides in Durango, CO and is a member of La Plata Electric Association.

Peter May-Ostendorp is the founder of Xergy Consulting in Durango, CO and is a member of La Plata Electric Association.

/by
,

Energy updates that make sense

By Brian Sloboda

When it comes to energy efficiency, there are two ways to measure improvements. The first is the payback period. This is the amount of time that the improvement will pay for itself. The second is comfort. Improvements can often increase the comfort level of a home. This is not easy to measure, but it is one of the driving forces behind home weatherization efforts. There are several areas of the home that can be improved easily, without breaking your budget.

Lighting

In recent months, the price of LED lamps for residential consumers has steadily declined. 60W LED lamps can be purchased at many big box retailers for $10 or less. LEDs can save 60 percent or more when compared to incandescent bulbs – and last for several years. It should be noted that care should be taken when selecting a bulb for a fixture that uses a dimmer, as not all dimmers will work with LED bulbs. There are also flickering issues with poorly made LEDs.

Heating and air conditioning

The Energy Information Agency estimates that heating and air conditioning account for 22 percent of a typical home’s annual electric bill. Options such as an air source heat pump or a ground source heat pump can be 20 to 45 percent more efficient than the existing heating or cooling system in the average home. However, the upfront cost is often a barrier to adoption.

Simple solutions such as changing air filters at least every three months will increase airflow to rooms, increase the life of the HVAC unit’s motor and improve the air quality of the home. Sealing and insulating ductwork can be completed in a weekend and result in energy savings of up to 20 percent.

By locating and correcting air leaks, you can lessen the amount of work that heating and cooling systems need to do. To locate leaks, walk through your home on a cold day and feel for drafts around exterior doors and windows, electric outlets and entrance points for TV and telephone cables. In basements, target dryer vents, gas lines or any place with an opening in the wall. To fix leaks, apply caulk, spray foam or weather stripping to these areas.

Simple acts, such as cooking outdoors on a hot summer day and keeping curtains closed to keep out summer sun, will keep the interior of the home cooler and reduce the amount of time air conditioning units need to operate.

Appliances and electronics

The appliances and gadgets that make life easier are also the largest users of electricity in our homes. When buying a new appliance, look for the ENERGY STAR label. This simple act can result in 10 to 15 percent more in energy consumption savings. Some states have adopted ENERGY STAR holidays where the sales tax is waived on the purchase of qualifying ENERGY STAR rated appliances.

More simple household tips to boost energy efficiency include:

  • Cleaning lint traps on dryers and not over-drying clothes will save energy and extend the life of your clothes.
  • Replacing worn refrigerator gasket doors will stop cool air from leaking from the refrigerator.
  • Clean refrigerator coils and keep refrigerators away from heat-generating appliances such as an oven.

Home electronics, such as computers, TVs, DVD players and other modern devices, consume power even when turned off. This phenomenon is called parasitic load, and sometimes these devices are referred to by the more playful term, “energy vampire.” According to a study conducted by the Lawrence Berkeley National Laboratory, the average home loses 8 percent of its monthly energy consumption to these energy vampires. A full 75 percent of the power used to run home electronics is consumed when those appliances are turned off, according to the U.S. Department of Energy. Cutting off power by using a power strip or a smart strip is the best way to stop this senseless loss of energy.

The best energy efficiency improvements are often the easiest. Turning lights off when leaving a room, sealing windows and doors and cleaning refrigerator coils isn’t as much fun as buying a shiny new appliance. But these simple jobs are proven ways to save energy and increase comfort.

Brian Sloboda is a program manager specializing in energy efficiency for the Cooperative Research Network, a service of the Arlington, Va.-based National Rural Electric Cooperative Association.

/by
,

Fight the winter chills

Another colder-than-normal winter is predicted for much of the country this year. Frigid temperatures can cause heating systems to work over time, and since heating and cooling can make up nearly half of your electric bill, you may experience sticker shock when you open that bill. Instead of waiting until after a potentially high bill is in your mailbox, be proactive. There are things you can do now to help ensure you are managing your energy use and spending less.

These simple steps can help you manage your use:

  • Wrap exposed pipes and water heaters that are in unconditioned spaces.
  • Make sure to change your air filter once a month.
  • Keep drapes closed at night and keep those that don’t get direct sunlight closed during the day, too.
  • Keep the fireplace damper closed when it is not in use. Keeping it open can bring cold air into the room.
  • Caulk around the fireplace hearth, and caulk or weather strip around doors and windows.
  • Monitor your electric use. If we’ve had a few days of frigid temperatures, see how you can try to save on days that are milder.
  • Dress for the weather, even if you are inside. Wearing proper clothing like long sleeves and pants, or wrapping up in a cozy blanket will help combat the temptation of bumping up the thermostat.

So, when temperatures fall this winter and you hear your weatherman talking about bringing in pets and plants, take the steps above to help manage your use.

Using the tips above can certainly help you manage your energy use, but your bill may still be higher than normal in winter months. Why?

  • The weather makes a big impact on electric bills, accounting for nearly half of your bill.
  • Even those with the most efficient HVAC systems will see more use in extreme weather.
  • When extreme cold temperatures hit, our heaters work overtime.
  • For example, even if you set your thermostat to our recommended 68 degrees in the winter, when it is 19 degrees outside, your system has to work hard to make up that 49-degree difference.
  • Your heater works harder and cycles on and off more often, making your use much higher. That means your bill will be much higher.
  • Remember, there is value in comfort. For us to be comfortable in our homes, our heaters are going to work harder, but it may be worth the additional cost to you.

Additional tips:

  • Call your local co-op to see what options might be right for you.
  • Speak to one of our energy efficiency experts. They can help you understand how weather and your use patterns affect your bill.

April Lollar writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service organization for the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

Efficient water heating technology options

Water heating is the second largest use of energy in homes, accounting for approximately 14 to 18 percent of residential energy consumption. In addition to wrapping water heaters and pipes in insulation, there are many technologies in this market to help lower energy consumption and save consumers money. These technologies include heat pump water heaters (HPWH), CO2 heat pump water heaters, and point-of-use (POU) water heaters.

Heat pump water heaters

The heat pump water heater is not a new technology, but it is experiencing a revival. A handful of small companies produced units in the 1980s and 1990s, but random failures soured utilities and consumers on the technology. Today, however, some of the major manufacturers of water heaters and other appliances have entered the market, offering a new generation of heat pump water heaters.

There are two types. One, the more expensive option, replaces an existing electric water heater with a new, “integrated” unit combining a heat pump with a water tank. The second type adds a heat pump unit to an existing water heater. The heat pump in both versions circulates a refrigerant, which absorbs heat from the surrounding air and then passes through a compressor to maximize the heat output, which is transferred into the tank’s water. The heat pump can produce most of the heat needed by the water heater. A backup electric resistance element in the tank is called upon when the ambient air is too cold for heat pump operation or additional amounts of hot water are needed. Because the units use both heat pump technology and electric resistance for backup, the units are referred to as “hybrid” heat pump water heaters.

Heat pump water heaters use roughly half the electricity of a conventional electric water heater, but this efficiency comes with a higher price tag and potential trade-offs in effectiveness for participation in load control programs. Integrated units are selling for about twice the cost of a standard tank heater. Depending on the retail cost of electricity and the installed cost of the heat pump water heater, including any financial incentives, the payback period can be as little as three years. In areas with low electricity rates and limited financial incentives, however, the payback period can be much longer.

A heat pump water heater can generally be installed in a conditioned or unconditioned space. However, the space must be at least 10 square feet to ensure adequate air exchange for the heat pump. An open basement, a utility area or—in some climates—a garage is appropriate. The cool exhaust air can be released into the area where the heat pump water heater is located, cooling and dehumidifying the surrounding air, or it can be ducted outside.

Heat pump water heaters are not a universal option. Heat pump water heaters are most efficient in warm and damp climates. Homes in those climates will also benefit from the water heater’s cooling and dehumidifying features. However, residents in colder climates will see decreased performance during colder months. In the northern areas, for instance, if the heat pump is designed to work at ambient air temperatures of 45degrees Fahrenheit or higher, the water heater’s electric element will operate whenever the air temperature drops below that level, reducing energy savings.

CO2 heat pump water heaters

Another emerging water heater technology is the CO2 heat pump water heater. These water heaters are unique because they use CO2 as the refrigerant. Using CO2 is beneficial because other commonly used refrigerants are ozone-depleters or have greater impacts on global warming. In addition to their environmentally friendly chemistry, these heaters can output much hotter water. However, these types of water heaters are still in the early stages of adoption in North America (they are more common in Japan and the European Union) and are much more expensive than conventional water heaters.

Point-of-use water heaters

Depending on where your water heater is located, you will lose some amount of heat as your hot water travels to the faucet. One technology to help reduce this loss is the point-of-use water heater (POU). These water heaters are located near to the water’s end use, for example, near the sink or shower. This option can be more efficient than raising the temperature of the main water heater. However, POUs cannot act as a back-up heater to intermittent units like solar or geothermal water heaters because they are not powerful enough to support a household’s entire water heating load.

Before purchasing a new water heater, be sure to check if any incentives are offered by your local electric cooperative for a particular type. Your co-op can also offer advice on which water heaters work well for your area, as well as other energy-saving tips.

Thomas Kirk is a technical research analyst specializing in energy efficiency and renewable energy for the Cooperative Research Network (CRN), a service of the Arlington, Va.-based National Rural Electric Cooperative Association.

/by

Resolve to make your home more energy efficient

Happy New Year! This is the time of year when we often resolve to make changes of all types. Here’s an idea for you. Instead of focusing on the typical resolutions, such as losing weight and exercising more, why not resolve to make your home more energy efficient? And with winter in full swing, this is a good time to think about making energy-efficiency improvements to your home. Your thermostat is in full heating mode and generally, winter heating requirements cause us to spend more money than we do for cooling. This is because the laws of nature dictate how heat behaves on Earth. As a reminder, heat moves to cool.

On a cold winter day, the heat generated by a heating source is moving through building materials, cracks around doors and windows, unsealed holes created by electrical and plumbing penetrations and improperly installed and inadequate insulation. Furthermore, winter usually doles out a larger temperature difference between the indoor thermostat setting and the outdoor temperature. The greater the temperature difference, the more energy is required to maintain the desired temperature inside your home.

To be clear, not all homes are energy inefficient. So how does one know whether or not his/her manufactured or standard built home is energy efficient? Here is a simple way to do it, based on your average monthly utility usage. Simply multiply the square footage of your home by 10 cents. For instance, a 1,500-square-foot home multiplied by 10 cents (.10) equals $150.00. A 2,000-square-foot home multiplied by 10 (.10) cents equals $200. And so on.

Next, calculate your total electric bills for a one-year period. If you heat with natural gas or propane, be sure to add those bills into the total. Next, divide the total by 12 months to establish the monthly average. If your monthly average exceeds the square-footage multiplied by 10 cents (.10) calculation, you most likely have an opportunity to make some energy efficiency improvements.

Tennessee’s electric cooperatives can help identify and offer solutions for high bills and comfort issues. Contact your local cooperative or visit our efficiency archives for many energy savings ideas and solutions.

In the meantime, stay warm and start working on your energy efficiency resolution!

Bret Curry is the residential energy manager for Arkansas Electric Cooperative Corporation.

/by

Energy efficiency and the tiny house movement

A “tiny house movement” has gained attention nationally as a reaction to the increased construction of larger homes. Popularized by the documentary “Tiny,” a television show, and other media coverage, these homes typically measure less than 1,000 square feet – a far cry from the typical American home. In 1973, the average U.S. home measured 1,660 square feet. Since then, U.S. homes have grown by over 60 percent to reach an average size of 2,598 square feet in 2013 – despite a slight dip in 2008 through 2010. But do smaller homes actually use less energy? What are the factors that determine how much energy a house consumes?

As the size of homes increases, so do the energy demands on it. There’s additional space to be heated or cooled, more lighting is required, and it’s likely that the number of appliances will increase as well. Examining only a home’s size will show a strong positive correlation between the square footage of a home and its energy consumption. To look at an extreme case, homes that measure over 6,400 square feet (the top 1 percent of homes) use two and a half times as much electricity as home sized at 1,600 square feet; but this isn’t the whole story. Other factors such as the age of the home, climate, income and behavior influence energy consumption as well. Energy Information Administration (EIA) data shows that homes built after the year 2000 use only 2 percent more energy than homes built before 2000 even though the newer homes are on average 30 percent larger and contain more electronic appliances.

There are several reasons for this equilibrium in energy use despite the greater building size. First, homes are becoming more energy efficient. They are lit with CFLs and LEDs instead of incandescents and use more efficient appliances. For example, an older refrigerator can use about twice as much energy as a newer model of similar capacity. Second, homes are being built with more energy-efficient features. This includes better building shells, modern windows and more insulation. Larger homes in particular are more likely to include these types of energy-saving features. These changes are due not just to technological advances but policy changes that tightened building codes and raised the minimum energy efficiency standards for appliances. Programs such as EnergyStar have helped to educate consumers about the efficiency and cost-savings of their products. Lastly, more Americans are moving south to more moderate climates. This means that less energy is used on space heating, and although the southern migration has resulted in a 56 percent increase in energy used for air conditioning, it’s not enough to offset the space heating reduction.

What this ultimately means is that the amount of energy a home uses is not pre-determined by its size. While moving into a tiny home may not be practical or possible — they are often not allowed under current zoning regulations and only make up around 1 percent of homes – realize both large homes and small homes have the potential to be efficient or inefficient. Rather than moving into a tiny home to save energy, consider looking into energy-efficient retrofits – contact your local electric co-op for ways to save.

Thomas Kirk is a technical research analyst specializing in energy efficiency and renewable energy for the Cooperative Research Network (CRN), a service of the Arlington, Va.-based National Rural Electric Cooperative Association.

/by
,

How renters can fight the winter chill

By Abby Berry

According to the U.S. Census Bureau, 33 percent of Americans lease their homes. Unfortunately, many lease agreements forbid major alterations to rental properties. But don’t worry, renters! Consider using these low-cost, energy-efficient tips from Tennessee’s electric cooperatives to improve the efficiency of your home this winter.

Hot savings

Heating the home typically makes up about 48 percent of your utility bill. Set your thermostat as low as is comfortable in the winter – Energy.gov recommends 68 degrees Fahrenheit to boost energy efficiency.

During the winter months, take advantage of heat from sunlight. Open draperies and shades during the day to allow natural light to heat your home. Remember to close them in the evenings as the temperature drops and windowpanes become chilly.

Does your home have window air conditioning units? This winter, remember to insulate the units from the outside with a tight-fitting cover, available at your local home improvement center or hardware store. This keeps heated air from escaping outside. If desired, you can remove the window unit during winter months to prevent energy loss.

Another way to save on heating is to make sure your water heater is set at the lowest comfortable setting. Have you experienced scalding hot water when taking a shower? If so, it’s likely that your water heater is set too high – which is a waste of energy. Older models of water tanks are often not insulated, which can be easily remedied by covering them with an insulating jacket.

Bright ideas

Lighting is one of the easiest places to start saving energy, and savings are not strictly limited to winter months. Try replacing a few of your most frequently used light bulbs with ENERGY STAR-qualified lights, and save more than $65 a year in energy costs. ENERGY STAR-qualified compact fluorescent light bulbs (CFLs) use 75 percent less energy and last several times longer than incandescent light bulbs, saving money on energy bills and replacement costs. Practicing energy-efficient habits is another great way to reduce energy use. Always turn off your lights when leaving a room.

Other ways to save

Leasing an older home or apartment? Odds are you have single-pane windows and old or missing caulk. Don’t let the winter chill seep indoors! Apply caulk around window frames, sashes and door panels to combat air leaks. Also, be mindful when using electronics at home. Unplug devices when not in use, and use smart power strips to save on energy use. To learn more ways to be energy efficient around the home, visit togetherwesave.com.

Abby Berry writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service organization for the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by
,

‘Tis the season

‘Tis the season for family, fellowship and lots of cooking.

By Katie Kothman-Haby, CCC

No matter what or how you celebrate, energy use tends to increase over the holiday season. With more guests in your home and activities taking place, your electric meter spins a little faster than usual, costing you more money. Start the New Year off right. Celebrate the holidays efficiently so you don’t have to worry about a high electric bill.

Decorating

  • If you choose to decorate with strings of lights, consider LED (light emitting diode) options. They use over 80 percent less energy than traditional strings of lights and have a longer life. Make sure to purchase high quality strings from reputable sources. Safety and the lifetime can be compromised in less expensive LED strands.
  • Solar powered lighting options are also worth considering for decorations. Instead of having a plug handy, make sure you have a proper location for the solar panel that powers them.
  • Place strands of electric lights on timers so they automatically turn on in the evening after the sun sets, and turn them off around bed time. You won’t have to spend time thinking about plugging and unplugging them, and you won’t have to spend money powering them when unnecessary.
  • Decorate with less lighting. Consider a natural, vintage feel for your decorations. Use items like pinecones, greenery, candy canes, popcorn strings and gingerbread. The whole family can get involved with decorating the home with these safe and festive items.

2014_12_SW_Holiday-efficiency-tip-with-logoCooking

  • Cook with your microwave, toaster oven or slow cooker whenever possible. Small appliances cook quickly and more efficiently than your oven.
  • When you do use the oven, cook more than one item at a time. Have a ham, sweet potato casserole and rolls that all need to cook in the oven? Make some adjustments to cooking temperatures and times, and put all your dishes in at once to take full advantage of the heat that’s being produced.
  • Don’t peek! It’s tempting to open the oven door to check on holiday treats. Use the oven light instead, and keep the door closed. This will keep the heat where it belongs – inside the oven.
  • Glass and ceramic dishes allow you to cook food at a lower temperature than metal baking dishes. If the recipe calls for a metal baking pan and you substitute glass or ceramic cookware, reduce the temperature by about 25 degrees Fahrenheit.
  • Have food defrosted before you cook. Simply planning ahead can cut cooking times and energy use in half. Place any frozen dishes in the refrigerator the night before so they are ready to go in the oven the next morning.

Around the house

  • Turn down your thermostat a few degrees. Extra people bustling around the home and the oven warming food will heat up your home a few extra degrees. Take advantage and adjust your thermostat accordingly. You will save some money on your bill, and your guests will still be comfortable.

Katie Kothmann Haby writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by
,

Green gift-giving guide

Wondering what to buy for the person who has everything? How about a gift for an environment-friendly family member or friend? This holiday season, Tennessee’s electric cooperatives urge you to consider giving the gift of energy efficiency.

This doesn’t mean that you have to go out and replace your aunt’s refrigerator or your grandma’s washer and dryer – though you may be their favorite if you do. Giving the gift of energy efficiency can be as simple as filling their stockings, or creating a gift basket, with some of these helpful products.

LED light bulbs are the easiest way to increase efficiency in your home. From indoor bulbs for your lamps, recessed lighting and hanging fixtures to outdoor lighting, such as flood lamps and even decorative lighting strands – there’s an LED bulb for everyone.

LED lighting used to be deemed as prohibitively expensive, but prices have gone down significantly in recent years. Here are some top-rated options for energy-efficient lighting that makes everything bright!

  • GE Reveal 60 Watt Equivalent Bulb – This will run you around $18
  • Cree TW Series 60 Watt Equivalent Bulb – This will run you between $9 and $16
  • Sylvania’s Ultra HD floodlight-style bulb – This will run you between $22 and $35

Water-saving showerheads are also a great gift option. On average, Americans consume over 3 billion gallons of water daily. Switching to a water-saving showerhead could save a family of three up to $631 per year in costs and could reduce water consumption by over 2,600 gallons per year. Lack of water pressure can be a concern when giving this gift, so here are a few examples of showerheads that save water, but not at the expense of water pressure.

  • Glacier Bay 1-Spray Hand Shower – This will run you around $13
  • The Delta 1-Spray Water-Saving Showerhead – This will run you around $16
  • The Delta Arias 5-Spray Showerhead – This will run you around $37

Providing your family and friends with energy-efficiency tips along with a gift is also a great option. For example, did you know that one of the best ways to save energy in your home is to turn off all of your electronic devices? Try a TrickleStar Motion Sensor Power Strip, which costs around $30.

Supplement your gift with caulking supplies or weather strips, and before you know it, you will have the perfect energy-saving gift! All of these products are available online and at Big Box hardware stores, so get to shopping. From everyone at Tennessee’s electric cooperatives, have a happy, energy-efficient holiday!            

Meghaan Evans writes on consumer and cooperative affairs for the National Rural Electric Cooperative Association, the Arlington, Va.-based service arm of the nation’s 900-plus consumer-owned, not-for-profit electric cooperatives.

/by

Manufactured savings

How to boost efficiency of mobile homes

By Thomas Kirk

Manufactured homes, sometimes dubbed mobile homes, often log disproportionately higher energy bills than traditional wood-frame or modular homes.  But there are steps you can take to help manage energy costs and increase comfort.

The ways manufactured homes are designed, built, installed and operated help to explain why their levels of energy performance can be much lower than those seen in site-built homes. During construction, lower quality, less efficient materials may be used, or design specifications may not be met. Transporting a unit to a site and movement can disrupt the integrity of the original construction. Also, homes that sit on jack stands or blocks allow air to flow underneath, which compromises the structure.

Manufactured homes come in several configurations: singlewide, doublewide and triplewide. Doublewides and triplewides require a crossover duct to provide air flow between the sections—a major culprit in air leaks that contribute significantly to wasted energy.

There isn’t a magic bullet to lower the energy consumption of a manufactured home. It takes time and hard work to troubleshoot all of the possible causes of energy loss. The most common culprits and ways to remedy them are:

  • Belly board problems—In most manufactured homes, the belly board holds the insulation in place under the floor and serves as a vapor barrier.  Plumbing that runs under the floor is on the warm side of the insulation to keep it from freezing in winter. However, the belly board can be damaged by animals, deteriorate over time, or become torn, allowing the floor insulation to become moisture laden or to simply fall out, exposing ductwork and dramatically increasing energy losses. Often there is also long-term water damage from leaky pipes, toilets and showers that has compromised floor, insulation and belly board integrity. These problems must be addressed prior to basic weatherization. Replacing the belly board and repairing leaky plumbing should be the first things on your to do list.
  • Air leakage/infiltration—Infiltration of excessive outside air can be a major problem. Specific problems include deteriorated weather stripping; gaps in the “marriage wall” that joins multiple units making up the home; holes in the ends of ducts; gaps around wall registers and behind washers and dryers; and unsealed backing to the electrical panel. This is a dirty job and will require you to crawl under the home and into the attic looking for gaps. Gaps can be filled with weather stripping and insulation. You should consult your local hardware store for the exact type of insulation needed for the specific area of the home.
  • Crossover ducts—Sealing the ducts than run under the sections making up your mobile home will result in tremendous energy savings and increased comfort. Crossover ducts are often made of flexible tubing and are therefore prone to collapse and are easy for animals to chew or claw into. Crossover ducts made of thin sheet metal can leak heated or cooled air to the great outdoors, which is what happens when ductwork connections are made with duct tape. Repairs are generally easy, using either special duct sealant or metal tape that can be found at most home improvement stores. If you can afford the upgrade, consider replacing a flexible crossover duct with metal ductwork.
  • Lack of insulation—Insulation levels and associated R-values in walls, floors and ceilings in manufactured homes can be woefully inadequate. If it is easily accessible, adding additional insulation to ceiling and floors will help. However, adding insulation to walls will be a problem without major renovations that are often not cost justified.
  • Uninsulated ductwork—Ductwork itself may not be wrapped with insulation, allowing heating and cooling losses. Wrapping ductwork will lead to energy savings. You should be able to find insulation specifically made for ductwork at your local hardware store.
  • Single-glazed windows and uninsulated doors—Most manufactured homes come with single-glazed windows and uninsulated doors, which have a low R-value. That means the rate of heat transfer between finished interior spaces and the outdoors is higher than what’s ideal. Replacing the windows with double- or triple-glazed windows or adding storm windows will help make the home more comfortable. An insulated door will also help. However, these solutions can be very expensive. At a minimum, you should add weather stripping to doors and windows. Also, a window film kit is a cheap and easy-to-install upgrade that will help to keep winter winds out of the home.
  • Heat absorbing roof—In areas where you need to frequently run the AC unit, you can save by installing a white roof or cool roof coating.  These roofs reflect more sunlight to keep manufactured homes cooler.  Many cool roof coatings can be brushed or rolled on like paint and are easy to apply on metal roofs.  The cost of roof coatings varies depending on how reflective they are, and how long they will last- choose a coating that is appropriate for your climate.

It may take a couple of weekends and a few hundred dollars, but basic repairs can yield significant savings. Savings of up to 50 percent have been reported in manufactured homes that have been properly sealed and had old electric furnaces replaced with new electric heat pumps. The key is to get out there and start hunting for the savings lurking under, over and inside your manufactured home.

Thomas Kirk is a technical research analyst specializing in energy efficiency and renewable energy for the Cooperative Research Network (CRN), a service of the Arlington, Va.-based National Rural Electric Cooperative Association

/by