A house requires 15,000 kWhr of heat energy each winter. The house is located in

Question

A house requires 15,000 kWhr of heat energy each winter. The house is located in Minneapolis, MN. Based on a 10 yr life and 20 yr life for the equipment, which option is recommended? (Show Work)

1) Resistance heating may be used. A resistance heat furnance costs $750

2) A natural gas fire furnace is one option. A furnace with AFUE of 95 costs $1800 and with AFUE of 99 costs $1500.

3) A heat pump that used R-22 operates as s

hown below. THe heat pump costs $2200 and assume SEER=1.15*EER.

4) A combinded heat and power system may be used. The CHP unit costs $6000 and runs on natural gas. 65% of the energy value of the gas produces heat and 20% of the energy value of gas produces electricity.

Explanation / Answer

Option 3 is recommended

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