Geothermal Savings Calculator

Calculate annual savings compared to conventional HVAC.

Annual Heating Load

BTU

Annual Cooling Load

BTU

Geothermal COP

Conventional Heating Eff.

Conventional Cooling EER

Electricity Rate

$/kWh

Natural Gas Rate

$/therm

Current Heating Fuel

Tab to move between fields

Annual Savings

$226.00

Savings Percentage

21%

Monthly Savings$19.00

Geothermal Annual Cost$857.00

Conventional Annual Cost$1,083.00

How to Use This Calculator

Enter your current annual heating and cooling costs.
Set the estimated efficiency improvement from geothermal (typically 40–70% reduction).
Input the annual electricity cost to run the geothermal heat pump.
Review the net annual savings and cumulative savings over the system lifespan.
Geothermal savings compound over time as conventional fuel prices rise.

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Related Calculators

Calculate coefficient of performance from source and delivery temperatures.

Calculate payback period from utility savings vs conventional HVAC.

Calculate bore depth and loop length for a geothermal heat pump.

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