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Energy Cost

Portable Heaters

Type   Usage Cost
Small Portable   750 Watts   5¾¢ per hour
Large Portable   1500 Watts   11¾¢ per hour
Bath - Electric   1000 Watts   7¾¢ per hour
Bath - Gas   12,000 Btu/hr   3¾¢ per hour

Central Heating Units

Electric
Efficiency Rating (%)
100 57¢ per 25,000 Btu per hour*
Gas
Efficiency Rating (AFUE)
69 21¢ per 25,000 Btu per hour*
78 18¢ per 25,000 Btu per hour*
83 17¢ per 25,000 Btu per hour*
92 15¢ per 25,000 Btu per hour*
*Rating based on heat input

Heat Pump - Central Unit in Cooling Cycle

Efficiency Rating (SEER) Cost
7.0 13½¢ per ton per hour
9.0 10½¢ per ton per hour
10.0 9½¢ per ton per hour
11.0 8½¢ per ton per hour
12.0 7¾¢ per ton per hour
13.0 7¼¢ per ton per hour
14.0 6¾¢ per ton per hour
15.0 6¼¢ per ton per hour

Heat Pump - Central Unit in Heating Cycle

Efficiency Rating (SEER) Cost
7.0 6¼¢ per ton per hour
9.0 4¾¢ per ton per hour
10.0 4¼¢ per ton per hour
11.0 4¢ per ton per hour
12.0 3¾¢ per ton per hour
13.0 3½¢ per ton per hour
14.0 3¼¢ per ton per hour
15.0 3¢ per ton per hour


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