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Did you know that the average family spends close to $1300 a year on their home's utility bills? Unfortunately, a large portion of that energy is wasted. By using a few inexpensive energy efficient measures, you can reduce your energy bills by 10% to 50% and, at the same time, help reduce air pollution.

The key to achieving these savings is a whole house energy efficiency plan. To take a whole house approach, view your home as an energy system with interdependent parts. For example, your heating system is not just a furnace, it's a heat delivery system that starts at the furnace and delivers heat throughout your home using a network of ducts. You may have a top-of-the-line, energy efficient furnace, but if the ducts leak and are uninsulated, and your walls, attic, windows, and doors are uninsulated, your energy bills will remain high. Taking a whole house approach to saving energy ensures that dollars you invest in energy efficiency are wisely spent.

This information shows you how easy it is to reduce your home energy use. It is a guide to easy, practical solutions for saving energy throughout your home, from the insulating system that surrounds it to the appliances and lights inside. These valuable tips will save you energy and money and, in many cases, help the environment by reducing pollution and conserving our natural resources.

The first step to taking a whole house energy efficiency approach is to find out which parts of your house use the most energy. A home energy audit will show you where these are and suggest the most effective measures for reducing your energy costs. You can conduct a simple home energy audit yourself, you can contact your local utility, or you can call an independent energy auditor for a more comprehensive examination.

Energy Auditing Tips

• Check the level of insulation in your exterior and basement walls, ceilings, attic, floors, and crawl spaces.
• Check for holes or cracks around your walls, ceilings, windows, doors, light and plumbing fixtures, switches, and electrical outlets that can leak air into or out of your home.
• Check for open fireplace dampers.
• Make sure your appliances and heating and cooling systems are properly maintained.
• Study your family's lighting needs and use patterns, paying special attention to high use areas such as the living room, kitchen, and exterior lighting. Look for ways to use daylight, reduce the time the lights are on, and replace incandescent bulbs and fixtures with compact fluorescent lamps or standard fluorescent lamps.

Formulating Your Plan

After you have identified places where your home is losing energy, assign priorities to your energy needs by asking yourself a few important questions:

How much money do you spend on energy?
Where are your greatest energy losses?
How long will it take for an investment in energy efficiency to pay for itself in energy savings?
Can you do the job yourself, or will you need to hire a contractor?
What is your budget and how much time do you have to spend on maintenance and repair?

Once you assign priorities to your energy needs, you can form a whole house efficiency plan. Your plan will provide you with a strategy for making smart purchases and home improvements that maximize energy efficiency and save the most money.

Another option is to get the advice of a professional. Many utilities conduct energy audits for free or for a nominal charge. For a fee, a professional contractor will analyze how your home's energy systems work together as a system and compare the analysis against your utility bills. He or she will use a variety of equipment such as blower doors, infrared cameras, and surface thermometers to find inefficiencies that cannot be detected by a visual inspection. Finally, they will give you a list of recommendations for cost effective energy improvements and enhanced comfort and safety.

Insulation

Checking your home's insulating system is one of the fastest and most cost efficient ways to use a whole house approach to reduce energy waste and maximize your energy dollars. A good insulating system includes a combination of products and construction techniques that provide a home with thermal performance, protect it against air infiltration, and control moisture. You can increase the comfort of your home while reducing your heating and cooling needs by up to 30% by investing just a few hundred dollars in proper insulation and weatherization products.

Insulation Tips

• Consider factors such as your climate, building design, and budget when selecting insulation R-value for your home.
• Use higher density insulation, such as rigid foam boards, in cathedral ceilings and on exterior walls.
• Ventilation plays a large role in providing moisture control and reducing summer cooling bills. Install attic vents to help make sure that there is one inch of ventilation space between the insulation and roof shingles. Attic vents can be installed along the entire ceiling cavity to help ensure proper airflow from the soffit to the attic, helping to make a home more comfortable and energy efficient.
• Do not block vents with insulation, and keep insulation at least 3 inches away from recessed lighting fixtures or other heat producing equipment unless it is marked "I.C." - designed for direct insulation contact.
• The easiest and most cost effective way to insulate your home is to add insulation in the attic. To find out if you have enough attic insulation, measure the thickness of insulation. If there is less than R-19 (6 inches of fiber glass or rock wool or 5 inches of cellulose) you could probably benefit by adding more. Most homes should have between R-19 and R-49 insulation in the attic.
• If your attic has ample insulation and your home still feels drafty and cold in the winter or too warm in the summer, chances are you need to add insulation to the exterior walls as well. This is a more expensive measure that usually requires a contractor, but it may be worth the cost if you live in a very hot or cold climate.

Weatherization

Warm air leaking into your home during the summer and out of your home during the winter can waste a substantial portion of your energy dollars. One of the quickest dollar-saving tasks you can do is caulk, seal, and weather strip all seams, cracks, and openings to the outside. You can save 10% or more on your energy bill by reducing the air leaks in your home.

Sources of Air Leaks in Your Home

Heating and Cooling

Heating and cooling your home uses more energy and drains more energy dollars than any other system in your home. No matter what kind of heating, ventilation, and air conditioning system you have in your house, you can save money and increase comfort by properly maintaining and upgrading your equipment. By combining proper equipment maintenance and upgrades with appropriate insulation, weatherization, and thermostat settings, you can cut your energy bills and your pollution output in half.

Heating Tips

• Set your thermostat as low as is comfortable.
• Clean or replace filters on furnaces once a month or as needed.
• Clean warm air registers, baseboard heaters, and radiators as needed; make sure they're not blocked by furniture, carpeting, or drapes.
• Bleed trapped air from hot water radiators once or twice a season; if in doubt about how to perform this task, call a professional.
• Place heat resistant radiator reflectors between exterior walls and the radiators.
• Use kitchen, bath, and other ventilating fans wisely; in just 1 hour, these fans can pull out a houseful of warmed or cooled air. Turn fans off as soon as they have done the job.
• Keep draperies and shades open on south facing windows during the heating season to allow sunlight to enter your home; close them at night to reduce the chill you may feel from cold windows.
• Close an unoccupied room that is isolated from the rest of the house, such as in a corner, and turn down the thermostat or turn off the heating for that room or zone. However, do not turn the heating off if it adversely affects the rest of your system. For example, if you heat your house with a heat pump, do not close the vents - closing the vents could harm the heat pump.
• Select energy efficient equipment when you buy new heating equipment. Your contractor should be able to give you energy fact sheets for different types, models, and designs to help you compare energy usage.

Heat Pumps

Heat pumps are the most efficient form of electric heating in moderate climates, providing three times more heating than the equivalent amount of energy they consume in electricity. There are three types of heat pumps: air-to-air, water source, and ground source. They collect heat from the air, water, or ground outside your home and concentrate it for use inside. Heat pumps do double duty as a central air conditioner. They can also cool your home by collecting the heat inside your house and effectively pumping it outside. A heat pump can trim the amount of electricity you use for heating as much as 30% to 40%.

Heat Pump Tips

• Do not set back the heat pump's thermostat manually if it causes the electric resistance heating to come on. This type of heating, which is often used as a backup to the heat pump, is more expensive.
• Clean or change filters once a month or as needed, and maintain the system according to manufacturer's instructions.

Solar Heating

Using the sun to heat your home through passive solar design can be both environmentally friendly and cost effective. In many cases, you can cut your heating costs by more than 50% compared to the cost of heating the same house that does not include passive solar design. Passive solar design techniques include placing larger, insulated windows on south facing walls and locating thermal mass, such as a concrete slab floor or a heat absorbing wall, close to the windows. However, a passive solar house requires careful design, best done by an architect for new construction or major remodeling.

Solar Tips

• Keep all south facing glass clean.
• Make sure that objects do not block the sunlight shining on concrete slab floors or heat-absorbing walls.
• Consider using insulating curtains to reduce excessive heat loss from large windows at night.

Fireplaces

When you cozy up next to a crackling fire on a cold winter day, you probably don't realize that your fireplace is one of the most inefficient heat sources you can possibly use. It literally sends your energy dollars right up the chimney along with volumes of warm air. A roaring fire can exhaust as much as 24,000 cubic feet of air per hour to the outside, which must be replaced by cold air coming into the house from the outside. Your heating system must warm up this air, which is then exhausted through your chimney. If you use your conventional fireplace while your central heating system is on, these tips can help reduce energy losses.

Fireplace Tips

• If you never use your fireplace, plug and seal the chimney flue.
• Keep your fireplace damper closed unless a fire is going. Keeping the damper open is like keeping a 48-inch window wide open during the winter; it allows warm air to go right up the chimney.
• When you use the fireplace, reduce heat loss by opening dampers in the bottom of the firebox (if provided) or open the nearest window slightly, approximately 1 inch, and close doors leading into the room. Lower the thermostat setting to between 50 and 55°F.
• Install tempered glass doors and a heat air exchange system that blows warmed air back into the room.
• Check the seal on the flue damper and make it as snug as possible.
• Add caulking around the fireplace hearth.
• Use grates made of C-shaped metal tubes to draw cool room air into the fireplace and circulate warm air back into the room.

Air Conditioners

It might surprise you to know that buying a bigger room air conditioning unit won't necessarily make you feel more comfortable during the hot summer months. In fact, a room air conditioner that's too big for the area it is supposed to cool will perform less efficiently and less effectively than a smaller, properly sized unit. This is because room units work better if they run for relatively long periods of time than if they are continually, switching off and on. Longer run times allow air conditioners to maintain a more constant room temperature. Running longer also allows them to remove a larger amount of moisture from the air, which lowers humidity and, more importantly, makes you feel more comfortable.

Sizing is equally important for central air conditioning systems, which need to be sized by professionals. If you have a central air system in your home, set the fan to shut off at the same time as the cooling unit (compressor). In other words, don't use the system's central fan to provide circulation, but instead use circulating fans in individual rooms.

Cooling Tips

• Whole house fans help cool your home by pulling cool air through the house and exhausting warm air through the attic. They are effective when operated at night and when the outside air is cooler than the inside.
• Set your thermostat as high as comfortably possible in the summer. The less difference between the indoor and outdoor temperatures, the lower your overall cooling bill will be.
• Don't set your thermostat at a colder setting than normal when you turn on your air conditioner. It will not cool your home any faster and could result in excessive cooling and, therefore, unnecessary expense.
• Set the fan speed on high except in very humid weather. When it's humid, set the fan speed on low. You'll get better cooling, and slower air movement through the cooling equipment allows it to remove more moisture from the air, resulting in greater comfort.
• Consider using an interior fan in conjunction with your window air conditioner to spread the cooled air more effectively through your home without greatly increasing your power use.
• Don't place lamps or TV sets near your air conditioning thermostat. The thermostat senses heat from these appliances, which can cause the air conditioner to run longer than necessary.
• Plant trees or shrubs to shade air conditioning units but not to block the airflow. A unit operating in the shade uses as much as 10% less electricity than the same one operating in the sun.

Programmable Thermostats

You can save as much as 10% a year on your heating and cooling bills by simply turning your thermostat back 10% to 15% for 8 hours. You can do this automatically without sacrificing comfort by installing an automatic setback or programmable thermostat.

Using a programmable thermostat, you can adjust the times you turn on the heating or air conditioning according to a preset schedule. As a result, you don't operate the equipment as much when you are asleep or when the house or part of the house is not occupied. (These thermostats are not meant to be used with heat pumps.) Programmable thermostats can store and repeat multiple daily settings (six or more temperature settings a day) that you can manually override without affecting the rest of the daily or weekly program

Ducts

Your home's duct system is one of the most important systems in your home, and may be wasting a lot of your energy dollars. It is a branching network of tubes in the walls, floors, and ceilings, carries the air from your home's furnace and central air conditioner to each room.

Unfortunately, many duct systems are poorly insulated or not insulated properly. Ducts that leak heated air into unheated spaces can add hundreds of dollars a year to your heating and cooling bills. Insulating ducts that are in unconditioned spaces is usually very cost effective. If you are buying a new duct system, consider one that comes with insulation already installed.

Sealing your ducts to prevent leaks is even more important if the ducts are located in an unconditioned area such as an attic or vented crawl space. If the supply ducts are leaking, heated or cooled air can be forced out unsealed joints and lost.

Although minor duct repairs are easy to accomplish, ducts in unconditioned spaces should be sealed and insulated by qualified professionals using the appropriate sealing materials. Here are a few simple tips to help with minor duct repairs.

Duct Tips

• Check your ducts for air leaks. First look for sections that should be joined but have separated and then look for obvious holes.
• If you use duct tape to repair and seal your ducts, look for tape with the Underwriters Laboratories (UL) logo to avoid tape that degrades, cracks, and loses its bond with age.
• Remember that insulating ducts in the basement will make the basement colder. If both the ducts and the basement walls are un-insulated, consider insulating the basement walls and the ducts.
• If your basement has been converted to a living area, install both supply and return registers in the basement rooms.
• Be sure a well sealed vapor barrier exists on the outside of the insulation on cooling ducts to prevent moisture build up.
• Get a professional to help you insulate and repair all ducts.

Water Heating

Water heating is the third largest energy expense in your home. It typically accounts for about 14% of your utility bill.

There are four ways to cut your water heating bills: use less hot water, turn down the thermostat on your water heater, insulate your water heater, and buy a new, more efficient water heater. A family of four, each showering for 5 minutes a day, uses 700 gallons of water a week; this is enough for a 3-year supply of drinking water for one person. You can cut that amount in half simply by using low-flow showerheads and faucets.

Water Heating Tips

• Repair leaky faucets promptly; a leaky faucet wastes gallons of water in a short period.
• Insulate your electric hot water storage tank and pipes, but be careful not to cover the thermostat.
• Insulate your gas or oil hot water storage tank and pipes, but be careful not to cover the water heater's floor, top, thermostat, or burner compartment; when in doubt, get professional help.
• Install aerators in faucets and low flow showerheads.
• Buy a new water heater with a thick, insulating shell; while it may cost more initially than one without insulation, the energy savings will continue during the lifetime of the appliance.
• Although most water heaters last 10-15 years, it's best to start shopping for a new one if yours is more than 7 years old. Doing some research before your heater fails will enable you to select one that most appropriately meets your needs.
• Lower the thermostat on your water heater; water heaters at a setting of 115°F provide comfortable hot water for most uses.

Water Heater

• Insulate your water heater to save energy and money.
• Drain a quart of water from your water tank every 3 months to remove sediment that impedes heat transfer and lowers the efficiency of your heater.
• Take more showers than baths. Bathing uses the most hot water in the average household. You use 15­25 gallons of hot water for a bath, but less than 10 gallons during a 5-minute shower.
• If you heat with electricity and live in a warm and sunny climate, consider installing a solar water heater. The solar units are environmentally friendly and can now be installed on your roof to blend with the architecture of your house.

Tires are designed and built with great care to provide thousands of miles of excellent service. But for maximum benefit, they must be maintained properly.