Coal Heat: Pros Cons of a Coal Burning Furnace for Heating
WEBHigh Quality Coal Releases A Lot of Heat. Anthracite coal burns efficiently with no odor or smoke and by heating water rather than air, a coalburning furnace loses less heat. To get an idea of how much highquality coal can produce, one ton of anthracite coal equals about 8,200kilowatt hours of electricity.