Geothermal
Capturing the heat from the earth can save you big money on your energy bills. Learn how geothermal systems work.
Ductless mini-split system
A ductless mini-split system provides heating and air conditioning to spaces where a traditional ducted system won't work.
In these videos: A ductless mini-split system is quiet, efficient, and compact. Instead of a central thermostat, you can create heating and cooling zones in your house that are set independently of each other. See how this technology works.
Variable refrigerant flow
In this video: Find out how variable refrigerant flow allows temperature to be controlled as part of an all-in-one heating and cooling unit.
More from this category
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.
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.
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.
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.
Whole house fans
A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.
Heating and cooling new homes
When planning your new home, make sure you consider newer heating and cooling technologies that could save you money.
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.