Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
Discover how the next generation of smart thermostats adjust your home’s temperature based on your behavior and weather forecasts.
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
Is it time to upgrade your fireplace? Learn how you can improve your home's efficiency with the right fireplace.
Shop and compare when choosing a new heating system. Look for the yellow Energy Guide label to see how one unit stacks up against another.
Leaks in your ductwork mean the air you've paid to heat or cool is not getting where it needs to go. Find out how to diagnose and fix this common problem.
It's important to keep this big piece of equipment in tip-top shape in order for it to operate at peak efficiency.