Guide To Pool Heating

Page 28 of 51

March 1, 1988 Data: Illustration 14

Electric

Propane

Fuel Oil

Nat GasHeat Pump PCS1

IMAGE guide16.gif

0.00

1.00

2.00

3.00

Florida
Minnesota

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Cost Per Therm

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Type of Heater

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$

One Therm = 100,000 Btus