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
Your Resource To:
Find ENERGY STAR products
Learn new ways to save energy
Find tools to help you save
Get rebates and offers
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.
Ask the Expert
Tools and Resources
The Value of ENERGY STAR at the Best Price
These exceptional products represent the leading edge in energy efficient products this year.
Learn how to set your thermostat for savings.
Take a room-by-room tour and learn what you can do to save in your own home.
The ENERGY STAR Home Advisor provides customized and prioritized energy efficiency advice based on your home's profile.