Heating And Cooling Saving Tips
Heating and Cooling saving tips
Heating and Cooling saving tips
heating and cooling your home uses more energy and drains more energy dollars than any other system in your home. Typically, 43% of your utility bill goes for heating and cooling. Whats more, heating and cooling systems in the United States together emit 150 million tons of carbon dioxide into the atmosphere each year, adding to global climate change.
They also generate about 12% of the nations sulfur dioxide and 4% of the nitrogen oxides, the chief ingredients in acid rain. No matter what kind of heating, ventilation, and air-conditioning system you have in your house, you can save money and increase your comfort by properly maintaining and upgrading your equipment. But
remember, an energy-efficient furnace alone will not have as great an impact
on your energy bills as using the whole-house approach.
By combining proper equipment maintenance and upgrades with appropriate insulation, air sealing, and thermostat settings, you can cut your energy use for heating and cooling, and reduce environmental emissions, from 20% to 50%.
Heating and Cooling Tips
Set your thermostat as low as is comfortable in the winter and as high as is comfortable in the summer.
Clean or replace filters on furnaces once a month or as needed.
Clean warm-air registers, baseboard heaters, and radiators as needed; make sure theyre 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.
Turn off kitchen, bath, and other exhaust fans within 20 minutes after you are done cooking or bathing; when replacing exhaust fans, consider installing high-efficiency, low-noise models.
During the heating season, keep the draperies and shades on your southfacing windows open during the day to allow the sunlight to enter your home and closed at night to reduce the chill you may feel from cold windows.
During the cooling season, keep the window coverings closed during the day to prevent solar gain.
Long-Term Savings Tips
Select energy-efficient products when you buy new heating and cooling equipment. Your contractor should be able to give you energy fact sheets for different types, models, and designs to help you.
Household Heating Systems
Although several different types of fuels are available to heat our homes, more than half of us use natural gas.
compare energy usage.
For furnaces, look for high Annual Fuel Utilization Efficiency (AFUE) ratings. The national minimum is 78% AFUE, but there are ENERGY STAR models on the market that exceed 90% AFUE.
For air conditioners, look for a high Seasonal Energy Efficiency Ratio (SEER). The current minimum is 13 SEER for central air conditioners.
ENERGY STAR models are 14 SEER or more. Air Ducts One of the most important systems in your home, though its hidden beneath your feet and over your head, may be wasting a lot of your energy dollars.
Your homes duct system, a branching network of tubes in the walls, floors, and
ceilings, carries the air from your homes furnace and central air conditioner to
each room. Ducts are made of sheet metal, fiberglass, or other materials.
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 of unsealed joints and lost. In addition, unconditioned air can be drawn into return ducts through unsealed joints.
In the summer, hot attic air can be drawn in, increasing the load on the air conditioner. In the winter, your furnace will have to work longer to keep your
house comfortable. Either way, your energy losses cost you money.
Although minor duct repairs are easy to make, ducts in unconditioned spaces should be sealed and insulated by qualified professionals using 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 tape to seal your ducts, avoid cloth-backed, rubber adhesive
duct tape, which tends to fail quickly. Researchers recommend other products to seal ducts: mastic, butyl tape, foil tape, or other heatapproved tapes. Look for tape with
the Underwriters Laboratories logo.
Remember that insulating ducts in the basement will make the basement colder. If both the ducts and the basement walls are uninsulated, consider insulating both.
Water pipes and drains in unconditioned spaces could freeze and burst in the space if the heat ducts are fully insulated, because there would be no heat source to prevent the space from freezing in cold weather. However, using an electric heating tape wrap on the pipes can prevent this. Check with a professional contractor.
If your basement has been converted to a living area, hire a professional to 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 buildup.
When doing ductwork, be sure to get professional help. Changes andrepairs to a duct system should always be performed by a qualified professional.
Ducts that dont work properly can create serious, life-threatening carbon monoxide (CO) problems in the home. Install a CO monitor to alert you to harmful CO levels if you have a fuel-burning furnace, stove or other appliance, or an attached garage.
Long-Term Savings Tip
You can lose up to 60% of your heated air before it reaches the register if your ducts arent insulated and travel through unheated spaces such as the attic or crawlspace. Get a qualified professional to help you insulateand repair ducts.
by: Yoni Levy
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