For what is most of our energy used in homes?
TV and the microwave
coffee pot! believe it or not
It depends on the section of America you live My home 'stands' in Western Illinois. So, I'll have to agree with dawnbright, per " heating/cooling enviroment, i.e. FURNACE & AIR CONDITIONER.
Electronics and anything with a heating element
the heater, the air conditioner, the clothes dryer, a hair dryer