Seal air leaks around your home

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Air leaks can cost you by letting heat and cool air escape. Many homes, especially older ones, have gaps in their outer shell that allow air to escape. Common air leaks happen around fireplace chimney cases, light fixtures, windows and doors, basement sills, interior cavity walls, attic hatches, plumbing, trim areas, floors and outlets and wall switches. Sealing these leaks can make your home cozier and more efficient while helping you better manage your electricity bill.

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No matter how efficient your heating and cooling equipment is, if your home is not properly sealed and insulated, you may not be as comfortable as you could be, and your heating and cooling systems will have to work harder. Additionally, if you have leaky or poorly insulated ductwork, your home might have humidity problems, excessive dust, or rooms that are never quite comfortable. Improving the building shell and sealing ducts can generally improve your home.