Home Heating Fuel Cost Comparison

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Home Heating Fuel Cost Comparison The chart below shows a comparison of annual home heating fuel costs based on the most recent infor- mation obtained from suppliers in Snohomish County. The chart also shows that electric heat pumps continue to provide a very cost-effective heating source. (Electric costs based on PUD residential billing rate of 10.4 cents per kilowatt-hour.) The costs are based on the space heating needs for an average single family home. Individual consump- tions can vary significantly, depending on thermostat settings, air leakage, house construction, and other factors. Heating Fuel Cost Comparison Electric Heat Pump - 5888 kWh $612 - 7350 kWh $764 - 8825 kWh $918 Gas Furnace - 667 therms $987 - 833 therms $1233 - 1000 therms $1480 Electric Baseboard - 11730 kWh $1220 - 14650 kWh $1524 - 17575 kWh $1828 Propane Furnace - 725 gallons $1479 - 906 gallons $1848 - 1087 gallons $2217 Electric Furnace - 14650 kWh $1524 - 18313 kWh $1905 - 21975 kWh $2285 Oil Furnace - 480 gallons $1349 - 600 gallons $1686 - 719 gallons $2020 $0 $500 $1000 $1500 $2000 $2500 40 Mbtu 50 Mbtu 60 Mbtu System assumptions: • Electric heat pump: HSPF 8.5, $0.104/kWh, 3413 Btu/kWh, 25% duct loss • Gas Furnace: 80% efficiency, $1.48/therm, 100,000 Btu/therm, 25% duct loss • Electric baseboard: 100% efficiency, $0.104/kWh, 3413 Btu/kWh • Propane furnace: 80% efficiency, $2.04/gallon, 92,000 Btu/gallon, 25% duct loss • Electric furnace: 100% efficiency, $0.104/kWh, 3413 Btu/kWh, 25% duct loss • Oil furnace: 80% efficiency, $2.81/gallon, 139,000 Btu/gallon, 25% duct loss October 2020 Energy CO$T Comparison COMPARE Ever wonder what your heating costs would be if you had a different fuel type? Here are cost examples by fuel type for the same amount of heat (1,000,000 BTUs; electric costs based on PUD residential billing rate of 10.4¢ per kilowatt-hour): If your heat source is Your heating cost would be • Electric Furnace* (100% efficient) $40.63 • Propane* (80% efficient, $2.04/gallon) $36.96 • Oil* (#2 fuel, 80% efficient, $2.81/gallon) $33.94 • Electric Baseboard (100% efficient) $30.47 • Natural Gas* (80% efficient, $1.48/therm) $24.67 • Electric Heat Pump* (226% efficient) $17.98 Electric Heat Pump* (264% efficient) $15.39 • Ductless Heat Pump (300% efficient) $10.16 • Geothermal Heat Pump* (400% efficient) $10.15 Geothermal Heat Pump* (500% efficient) $8.13 • Wood Stove (60% efficient, $265/cord) $36.81 Wood Pellet Stove (70% efficient, $258/ton) $23.07 *assumes 25% duct loss 1,000,000 BTUs is produced by: • 10.9 gallons of propane • 7.2 gallons of fuel oil • 293 kilowatt-hours of electricity • 10 therms of natural gas • 1/12 cord of wood • 1/16 ton of wood pellets October 2020.

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