Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
A/C tune up
Learn how professionals tune up your air conditioner and get some tips on how you can keep it running at peak performance.
In this video: It's never a good time for your A/C to quit working. Learn how a tune-up works and how it can keep your A/C running when you need it most.
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.
Ceiling fans
A cooling breeze can reduce your need for air conditioning.There are some important things to know about purchasing and installing ceiling fans.
Sealing ductwork
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
Space heating and furnace myths
There are lots of "tips" out there that may not be true or safe. Find out how to separate facts from fiction.
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.
Whole house fans
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
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.
Getting a new fireplace
Is it time to upgrade your fireplace? Learn how you can improve your home's efficiency with the right fireplace.