Compare Fuels - Thermal Storage

The estimates below compare heating sources to determine an equivalent fuel price to $.053/kWh electricity. For more exact numbers, please check with us or your heating contractor.

Geothermal Heat Pump (350% efficient) vs

  • Fuel Oil Furnace/Boiler (55% efficient) => $.34/gallon oil

  • LP Furnace/Boiler (60 efficient) => $.24/gallon propane

  • LP Furnace/Boiler (90% efficient) => $.37/gallon propane

  • Natural Gas Furnace/Boiler (60% efficient) => $.27/therm gas

  • Natural Gas Furnace/Boiler (90% efficient) => $.40/therm gas

Air Source Heat Pump (250% efficient) vs

  • Fuel Oil Furnace/Boiler (55%efficient) => $.48/gallonoil

  • LP Furnace/Boiler (60%efficient) => $.34/gallonpropane

  • LP Furnace/Boiler (90%efficient) => $.51/gallonpropane

  • Natural Gas Furnace/Boiler (60% efficient) => $.37/therm gas

  • Natural Gas Furnace/Boiler (90% efficient) => $.56/therm gas

Electric Resistance Heat (100% efficient) vs

  • Fuel Oil Furnace/Boiler (55% efficient) => $1.20/gallon oil

  • LP Furnace/Boiler (60% efficient) => $.85/gallon propane

  • LP Furnace/Boiler (90% efficient) => $1.28/gallon propane

  • Natural Gas Furnace/Boiler (60% efficient) => $.93/therm gas

  • Natural Gas Furnace/Boiler (90% efficient) => $1.40/therm gas


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