Radiant floor heating
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
Geothermal 101
In this video: Find out how a geothermal system works, what it can cost and how you can install one in your home.
More from this category
Options for heating your home
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.
Getting a new fireplace
Is it time to upgrade your fireplace? Learn how you can improve your home's efficiency with the right fireplace.
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.
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.
Installing a heating and cooling system
One of the biggest purchases a homeowner can make is to install a new furnace and air conditioner. Learn what you need to know when faced with this big decision.
Maintaining your fireplace
Proper maintenance of your fireplace is important to make sure it's working efficiently and safely.
Sealing ductwork
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
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.