Reducing the amount of air that leaks in and out of your home is a cost-effective way to cut heating and cooling costs, improve durability, increase comfort, and create a healthier indoor environment. Caulk is generally used for cracks and openings between stationary house components such as around door and window frames, and weatherstripping is used to seal components that move, such as doors and operable windows. Air leakage occurs when outside air enters and conditioned air leaves your house uncontrollably through cracks and openings. During cold or windy weather, too much air may enter the house. When it's warmer and less windy, not enough air may enter, which can result in poor indoor air quality. An added benefit is that sealing cracks and openings reduces drafts and cold spots, improving comfort.
Feeling a Draft? How to Find and Fix Air Leaks in Your Home
Air Sealing Your Home | Department of Energy
Follow Us. According to EnergyStar. Take notes of any cracks, gaps or other openings, so you can return and air-seal them later. You can also perform a simple test to supplement your visual inspection. The fan pulls air out of the house, lowering the pressure inside, and allows the higher outside air pressure to flow in through cracks and other openings.
8 Easy Ways to Seal Windows & Air Leaks Around the House
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With the money you waste in just one year, you can plug many of those leaks yourself. Then tackle the basement to prevent cold air that enters there from being sucked into upstairs rooms. Finally, seal air leaks in the rest of the house. Here are eight places to start.