Space Heating

	Appliance Type	Gas Furnace or Boiler Gas Space Heater Gas Fire Logs
	Age of System	Older than 15 yrs 10 - 15 yrs 5 - 10 yrs Less than 5 yrs N/A
	Assumed BTU/hour
	Average hours per week
	Weeks per year
	Square feet of conditioned space
	Where are you located?	Hot climate Warm/moderate climate Cool/moderate climate Cold climate Very cold climate N/A
	Which of the following best describes your home?	Very efficient/well insulated Average Inefficient/poorly insulated N/A
	Therms per Year
	Dollars per Year

Copyright © 2000 - 2010 Enercom, Inc.
All Rights Reserved