Ask the Expert: Do Ground-source Heat Pumps Raise Your Electricity Use?

Recently, a reader emailed to ask us a about a GHP (geothermal heat pump) that he installed in 2008. Two years after the GHP installation, he installed an electric water heater. Up until 2008, he had used propane to heat his Ohio home and hot water. The GHP took over the heating and cooling and then the electric water heater disengaged him completely from propane.

via Renewable Energy News –

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