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Find ENERGY STAR products

Learn new ways to save energy

Find tools to help you save

Get rebates and offers

Find and seal leaks in your duct system

Look for holes, tears, and other signs of leaking ducts and seal them using mastic or metal (foil) tape. Insulate all the ducts you can access (such as those in the attic, crawlspace, unfinished basement, or garage). Sealing and insulating ducts can improve the efficiency of your HVAC system by as much as 20 percent.

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Ask the Expert

A professional contractor working on an HVAC system.

Call in the help of a professional.

After our cars and our homes, our heating and cooling systems are the most expensive thing most of us own.  Yet, unlike our cars, we don’t think about it until it breaks.  It’s in a closet, or the basement, quietly working to keep us comfortable, and as long as that is true, we ignore i

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The unofficial end of summer has come and gone, and for many across the country there is a slight nip in the air as fall approaches.

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