|
|
 Energy Cost
Portable Heaters
| Type |
|
Usage |
Cost |
| Small Portable |
|
750 Watts |
|
7½¢ per hour |
| Large Portable |
|
1500 Watts |
|
15¢ per hour |
| Bath - Electric |
|
1000 Watts |
|
10¢ per hour |
| Bath - Gas |
|
12,000 Btu/hr |
|
18½¢ per hour |
Central Heating Units
| Electric |
| Efficiency Rating (%) |
| 100 |
73¢ per 25,000 Btu per hour* |
| Gas |
| Efficiency Rating (AFUE) |
| 69 |
$1.02 per 25,000 Btu per hour* |
| 78 |
88¢ per 25,000 Btu per hour* |
| 83 |
83¢ per 25,000 Btu per hour* |
| 92 |
73¢ per 25,000 Btu per hour* |
*Rating based on heat input
Heat Pump - Central Unit in Cooling Cycle
| Efficiency Rating (SEER) |
Cost |
| 7.0 |
17¼¢ per ton per hour |
| 9.0 |
13½¢ per ton per hour |
| 10.0 |
12¼¢ per ton per hour |
| 11.0 |
11¢ per ton per hour |
| 12.0 |
10¢ per ton per hour |
| 13.0 |
9¼¢ per ton per hour |
| 14.0 |
8¾¢ per ton per hour |
| 15.0 |
8¢ per ton per hour |
Heat Pump - Central Unit in Heating Cycle
| Efficiency Rating (SEER) |
Cost |
| 7.0 |
8¢ per ton per hour |
| 9.0 |
6¢ per ton per hour |
| 10.0 |
5½¢ per ton per hour |
| 11.0 |
5¢ per ton per hour |
| 12.0 |
4¾¢ per ton per hour |
| 13.0 |
4½¢ per ton per hour |
| 14.0 |
4¼¢ per ton per hour |
| 15.0 |
3¾¢ per ton per hour |
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