If you live in a place where summer heat is an issue, this time of year can mean substantially higher energy costs. Here are four low-cost, high-impact changes you can make on your own to save money and keep your home more comfortable this summer.
Clean your window sills
A few seasons worth of dirt and soot can prevent your windows from closing all the way. Even a little air getting in can make your AC less efficient and raise your electric bill. Drafty windows are the top energy leak in a typical home, accounting for up to 25% of a home’s energy loss.
Cost: $0-5 (cleaning spray and paper towels)
DIY level: Easy. You can even make this a chore for the kids!
Install a door sweep
“A common place where air leaks occur is under the door leading from the house to the garage because they are often not as well sealed as doors leading directly to the outside,” says Energy Star. Install a door sweep to seal the gap between the bottom of your door and the threshold to prevent cold air from escaping your home.
Cost: $10-15 (per door)
DIY level: Easy. Use a drill to make holes in the door and screws to attach the sweep.
Caulk your windows
Window air leakage can be reduced by applying a continuous bead of caulk around the window trim where it meets the wall, at the mitered joints of the trim, and between the trim and the frame. Make sure the caulk is intended for indoor use and can be painted. Using Charlotte, NC as an example, the Department of Energy estimated that the average homeowner could save 14% on heating and cooling costs each year with proper air sealing and insulation.
Cost: $3-5 (caulk)
DIY level: Medium. Caulk can get messy, so go slow.
Check your ducts
Ducts are used to distribute AC and heat throughout houses with forced-air systems “In typical houses, about 20% of the air that moves through the duct system is lost due to leaks, holes and poorly connected ducts.” says Energy Star. “The result is an inefficient HVAC system, high utility bills, and difficulty keeping the house comfortable, no matter how the thermostat is set.” You can check all the ducts you can access, such as those in the attic, crawlspace, or garage. Look for holes and tears, and seal them using mastic or metal tape.
Cost: $5-10 (roll of tape)
DIY level: Medium. It’s just taping, but you’ll likely be dealing with tight spaces and a few creepy-crawlies.
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