Most appliances are powered by

Modern comfort comes at a price, and keeping all those air conditioners, refrigerators, chargers, and water heaters going makes household energy the third-largest use of energy in the United States.

Here's what uses the most energy in your home:

Cooling and heating: 47% of energy use

Water heater: 14% of energy use

Washer and dryer: 13% of energy use

Lighting: 12% of energy use

Refrigerator: 4% of energy use

Electric oven: 3-4% of energy use

TV, DVD, cable box: 3% of energy use

Dishwasher: 2% of energy use

Computer: 1% of energy use

All of it is controlled, or used by electricity.

Which is eventually transferred into energy