Air Quality | Chill out with these energy-saving cooling and air-conditioning tips from the EPA’s Energy Star program. A typical household spends about 20 percent of its energy bills on cooling, the EPAestimates. By improving energy efficiency, you’ll be saving electricity, lowering your AC bills and helping to fight climate change.
No-Cost Cooling Tips for Saving Electricity
- Program your thermostat to work around your family’s summer schedule — set it a few degrees higher (such as 78 degrees) when no one is home, so your cooling system isn’t cooling an empty house. With proper use, programmable thermostats can save you about $180 a year in energy costs.
- Check your HVAC system’s air filter every month. If the filter looks dirty, change it, but change the filter at least every three months. A dirty filter will slow air flow and make the system work harder, which wastes energy.
- Run your ceiling fan to create a cool breeze. If you raise your thermostat by only two degrees and use your ceiling fan, you can lower cooling costs by up to 14 percent. Remember that ceiling fans cool you, not the room, so when you leave the room, turn off the fan.
- ll the curtains and shades closed before you leave your home to keep the sun’s rays from overheating the interior of your home. If you can, move container trees and plants in front of sun-exposed windows to serve as shade.
Low-Cost Cooling Tips for Saving Electricity
- Remember to have your HVAC system serviced annually to ensure it’s running at optimum efficiency for money and energy savings.
- Swap out incandescent bulbs with more energy-efficient lighting choices. Energy Star qualified lighting not only uses less energy, it also produces about 75 percent less heat than incandescent lighting, so cooling bills will be reduced, too.
- Seal your air ducts. As much as 20 percent of the air moving through your home’s duct system is lost due to leaks and poor connections. Seal duct work using mastic sealant or metal tape and insulate all the ducts that you can access (such as those in attics, crawlspaces, unfinished basements, and garages).
- Make sure that connections at vents and registers are well-sealed where they meet floors, walls, and ceilings. These are common locations to find leaks and disconnected ductwork.
Other Cooling Tips for Lowering AC Bills
- When buying a room air conditioner, look for one that has earned EPA’s Energy Star. If every room air conditioner in the United States were Energy Star qualified, they would prevent 900 million pounds of greenhouse gas emissions annually — equivalent to the emissions from 80,000 cars.
- Add insulation to your attic to keep cool air in. If every American household did so, Americans would collectively save more than $1.8 billion in yearly energy costs.
- Hire a contractor to seal and insulate the interior ductwork in your home (the ducts you can’t reach yourself). For help on choosing the right contractor, go to www.energystar.gov/homeimprovement.
- If your central air conditioning unit is more than 12 years old, replacing it with a model that has earned EPA’s Energy Star could cut your cooling costs by 30 percent. –about
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