Question
How much energy does air conditioning use in the home?
Answer
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A regular air conditioner for the home usually has a 5,500 BTU to 14,000 BTU per hour range. Room air conditioning devices built after 1 January 1990 have been subject to national appliance standards of an 8.0 EER.
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You'll find a handy calculator to determine your AC energy consumption at EnergyExpert.org. There are too many variables to give a standard answer - is it a central unit or window AC, what size is it, where do you live, what time of year, size of your home, etc.