Cost Savings From Converting a Natural Gas Furnace to a Heat Pump
Inputs
	Electric Cost per Kwh
	Natural Gas Cost per Mcf
	Gas Furnace Efficiency
	Heat Pump COP
	Mcf of Gas Used per Year for Heating Only
Calculations
	Therms Used
	Equivalent BTUs Purchased
	BTUs Actually Used for Heat Based on Furnace Efficiency
	Equivalent Kwh
	Kwh Needed Based on Heat Pump COP
	Cost to Heat with Gas
	Cost to Heat with Heat Pump
	Annual Savings Using a Heat Pump