Use this calculator to:

• Calculate the cost difference between natural gas, other fuels and electricity
  at varying prices and efficiency factors
• Compare operating costs between standard and high-efficiency equipment
• Compare the environmental impact of different fuel types

Fuel information
Fuel type 1:		Natural gas	Fuel type 2:		Natural gas Electricity Propane #2 Oil
Unit price:		$ per thermkWhgallon	Unit price:		$ per kWhthermgallon
		For a custom comparison, enter specific unit pricing from your energy bills. Prices shown are default prices for general comparisons only.
Equipment efficiency:		e.g. 80% = .80	Equipment efficiency:		e.g. 80% = .80
		Use default efficiency or enter your equipment’s specific efficiency rating. Enter percents as decimals with no percent symbols, e.g., 80% = .80.

Equipment information
Energy input:		Btu/hr
Annual operating hours:			For example, if your facility operates 50 hours a week, multiply 50 X 52 (weeks) to determine annual operating hours.