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Dare to Compare

Find out what your savings would be for an electric heat pump versus a natural gas furnace. To calculate the costs for your house, just type over the suggested values in the form below (or select the correct value from a pull-down list or radio button) for each of these 10 questions:

  1. What is the heated area of your house? ..... square feet

  2. How well is your house insulated? .....

  3. What is the winter Heating Load Hours value for your location?
    (1700 is typical for the Tennessee Valley area) .....

  4. What is the efficiency (AFUE) of the gas furnace?
    (Average= 78%, Better = 82%, Best = 97.5%) ..... %

  5. Does the gas furnace have a standing pilot light? Yes No

  6. How much per Therm do you pay for natural gas?
    (160 cents per Therm is typical in the Tennessee Valley region) ..... cents

  7. What is your monthly customer charge for natural gas ?
    $7.00 per month is a typical charge in the Tennessee Valley region) ..... $ per month

  8. What is the efficiency (HSPF) of the electric heat pump?
    (Average = 7.4, Better = 9.0, Best = 12.0) .....

  9. How many cents per kilowatt hour do you pay for electric power?
    (6.78 cents per kwh ls typical in the Tennessee Valley region) ..... cents

  10. What is your monthly customer charge for electric service?
    (a monthly charge should be added only if no electricity is being purchased for any purpose, such as lighting, appliances, etc.) ..... $

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