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Geothermal heat pump vs air source heat pump vs gas

13 years ago

Anybody have experience with Geothermal heat pumps, air source heat pumps?

Geothermal will cost an additional $40,000 ( or $25,00 after 30% tax credit) and air source heat pump with variable gas furnace will be an additional 5,000 (no tax credit). Our new house we are building is in Wisconsin and we have natural gas available.

Are either of those options worth the extra cost compared to natural gas?

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