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.
Space heating and furnace myths
There are lots of "tips" out there that may not be true or safe. Learn how to separate facts from fiction.
Space heating myths
In this video: Using a space heater may seem like a smart way to save energy. But is it?
Furnace myths
In this video: Separate fact from fiction in these common furnace myths.
More from this category
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.
Whole house fans
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
Radiant floor heating
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
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.
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.
Ductless mini-split system
A ductless mini-split system provides heating and air conditioning to spaces where a traditional ducted system won't work.
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.
Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.