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.
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
Heating and cooling new homes
When planning your new home, make sure you consider newer heating and cooling technologies that could save you money.
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.
Radiant floor heating
Heating from the floor is comfortable and very energy efficient. See how it's installed and how it works.
Learning thermostats
Discover how the next generation of smart thermostats adjust your home’s temperature based on your behavior and weather forecasts.
Getting a new fireplace
Is it time to upgrade your fireplace? Learn how you can improve your home's efficiency with the right fireplace.
Sealing ductwork
Leaky ductwork is one of the most common household problems. Luckily, it's easy to fix with the right materials.
Whole house fans
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
Ductless mini-split system
A ductless mini-split system provides heating and air conditioning to spaces where a traditional ducted system won't work.