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Geo-Geothermal Systems Operating Costs
Operating cost comparison of Geothermal to other energy supplies to Heat and Cool your home on a yearly basis along with domestic hot water:
| Home Size |
With a
Geothermal System |
With a
Natural Gas System* |
With a
Propane/Oil System** |
| 1,800 sq. ft. |
$500 |
$2,130 |
$2,800 |
| 2,400 sq. ft. |
$620 |
$2,600 |
$3,500 |
| 3,000 sq. ft. |
$760 |
$3,150 |
$4,200 |
| 4,000 sq. ft. |
$1,000 |
$4,000 |
$5,600 |
(*) Based on 90% efficient gas furnace, gas water heater, and electric central air conditioning.
(**) Based on 90% efficient propane furnace, propane water heater, and electric central air conditioning.
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