SDGE - A Sempra Energy Company

Energy Cost

Portable Heaters

Type   Usage Cost
Small Portable   750 Watts   14½¢ per hour
Large Portable   1500 Watts   29¢ per hour
Bath - Electric   1000 Watts   19½¢ per hour
Bath - Gas   12,000 Btu/hr   13½¢ per hour

Central Heating Units

Electric
Efficiency Rating (%)
100 $1.42 per 25,000 Btu per hour*
Gas
Efficiency Rating (AFUE)
69 75¢ per 25,000 Btu per hour*
78 65¢ per 25,000 Btu per hour*
83 61¢ per 25,000 Btu per hour*
92 54¢ per 25,000 Btu per hour*
*Rating based on heat input

Heat Pump - Central Unit in Cooling Cycle

Efficiency Rating (SEER) Cost
7.0 34¢ per ton per hour
9.0 26¢ per ton per hour
10.0 23¾¢ per ton per hour
11.0 21¼¢ per ton per hour
12.0 19½¢ per ton per hour
13.0 18¢ per ton per hour
14.0 17¢ per ton per hour
15.0 15½¢ per ton per hour

Heat Pump - Central Unit in Heating Cycle

Efficiency Rating (SEER) Cost
7.0 15½¢ per ton per hour
9.0 11¾¢ per ton per hour
10.0 10½¢ per ton per hour
11.0 10¢ per ton per hour
12.0 9¼¢ per ton per hour
13.0 8¾¢ per ton per hour
14.0 8¼¢ per ton per hour
15.0 7¼¢ per ton per hour

 
 

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