Heating is not just air heating but the hot water and the cloth dryer too. I have these running on gas and in a hot month, when the water heating is pretty chea

Heating is not just air heating but the hot water and the cloth dryer too. I have these running on gas and in a hot month, when the water heating is pretty cheap and the furnace does not run at all, I still spend about 1000 cubic feet of gas (300 kWh).