Energy.gov

Your choice of heating technologies impacts your energy bill. Learn about your options, from active solar to portable heaters.

Ductless mini-split air conditioners are a good choice if you want a zoned air conditioning system but have no ducts in your house.

In warm climates with low humidity, evaporative coolers can be a cost-effective cooling strategy.

Air conditioners work much like a refrigerator, transferring heat from the interior of your home to the outside.

Regular maintenance extends the life of your air conditioner and helps it run as efficiently as possible.

Live in a cold climate, but get lots of sun? Active solar heating may be the most efficient option for heating your home.

Say goodbye to cold floors in winter. Radiant heating can be a comfortable and efficient heating choice.

Choosing the most effective cooling options for your climate saves money and improves comfort.

Geothermal heat pumps are expensive to install but pay for themselves over time in reduced heating and cooling costs. Find out if one is right for your home.

Electric resistance heating can be expensive to operate, but may be appropriate if you heat a room infrequently or if it would be expensive to extend the existing heating system to an addition.

If you live in a hot, humid climate, a dehumidifying heat pipe may improve comfort by reducing indoor humidity.

Installing this kind of heat pump in your new or existing home can save money while improving the efficiency of how you heat, ventilate, and air condition your more unique spaces.