Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
Maintaining your furnace
It's important to keep this big piece of equipment in tip-top shape in order for it to operate at peak efficiency.
More from this category
Getting a new furnace
Shop and compare when choosing a new furnace. Look for the yellow Energy Guide label to see how one unit stacks up against another.
Space heating myths
Furnace filters
Changing or cleaning your furnace filter is one of the easiest things you can do to prolong the life of your heating and air conditioning system.
Maintaining your fireplace
Proper maintenance of your fireplace is important to make sure it's working efficiently and safely.
Fix leaky ductwork
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.
Sealing ductwork
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
Radiant floor heating
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
Heating and cooling older homes
Don't be scared of an older heating or cooling system. Systems can be inspected or retrofit to maintain the integrity of your older home.