Green Building Library
Space Heating and Cooling

Fuel Cost* Comparisons for Home Heating Systems

Fuel Heating Appliance Eff.
%
Fuel
Cost
Unit Energy
Content
$/MBTU
no ducts
$/MBTU
w/ducts
Electric Ground Source Heat Pump 350 $0.08 kwh 3413 $6.28 $8.16
Electric Cold Climate Heat Pump 280 $0.08 kwh 3413 $7.85 $10.20
Electric Air Source Heat Pump,Water Heater, Dehumidifier 230 $0.08 kwh 3413 $9.55 $12.42
Electric Resistance Heating, Furnace or Water Heater 100 $0.08 kwh 3413 $21.97 $28.57
Natural Gas 90%+ efficient furnace or water heater 92 $1.04 therm 100000 $11.30 $14.70
Natural Gas 80% efficient furnace 80 $1.04 therm 100000 $13.00 $16.90
Natural Gas 60% efficient furnace 60 $1.04 therm 100000 $17.33 $22.53
Fuel Oil 90%+ efficient furnace 92 $1.70 gallon 140000 $13.20 $17.16
Fuel Oil 80% efficient furnace 80 $1.70 gallon 140000 $15.18 $19.73
Fuel Oil 60% efficient furnace 60 $1.70 gallon 140000 $20.24 $26.31
Propane 90%+ efficient furnace 92 $1.90 gallon 91500 $22.57 $29.34
Propane 80% efficient furnace 80 $1.90 gallon 91500 $25.96 $33.74
Propane 60% efficient furnace 60 $1.90 gallon 91500 $34.61 $44.99
Pellets pellet stoves 80 $155.00 ton 15640000 $12.39 $16.10
Softwood woodstoves only
(no fireplaces)
70 $150.00 cord 15500000 $13.82 $17.97
Hardwood woodstoves only 70 $180.00 cord 23000000 $11.18 $14.53
Kerosene unvented room heater 90 $3.00 gallon 137000 $24.33 $31.63
WARNING: Unvented heating appliances should never be used indoors!

Lane County Electric Utility Rates

Blachly-Lane Rates Tier1 $0.08 kwh 1st 1500
Tier2 $0.05 kwh over 1500
EPUD Rate none $0.07 kwh
EWEB Tiered Rates Tier1 $0.06 kwh 1st 800
Tier2 $0.07 kwh 800-3000
Tier3 $0.09 kwh over 3000
* Fuel Costs as of October 2004, Lane County, Oregon

Copyright Alan Van Zuuk