Caulk and weatherstrip around doors and windows to plug air leaks. Check other insulation if possible.

By installing insulation and sealing air leaks, homeowners can save a national average of 11% on total home energy bills and about 15% on heating and cooling expenses alone.

When you get your free home energy audit, the company that does the audit usually installs weatherstripping and caulk then and there if needed. And it's free!

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