How Much Energy Does A 10000 Btu Air Conditioner Use. Once you know the wattage used for a particular window air conditioner, you can then combine that number with the price per kwh you pay for electricity at home. One kw is equal to 1000w.

Will a 10000 btu unit.

1 btu is the amount of energy it takes to raise the temperature of 1 pound of water, 1 degree fahrenheit at sea level. On an average a 7,000 btu air conditioner needs around 1600 to 1800 watts for start up. Here's how we can calculate how many amps such 10,000 btu air conditioner draws: On an average a 5,000 btu air conditioner needs around 1100 to 1300 watts for start up. An eer of 11.3 is average for new 12,000 btu window units, translating to a wattage of 1,061 watts. The more btus or the higher the eer, generally, the higher the price of the air conditioner.