Heater/Fuel Type Your local fuel costs Cost per million BTU
Rinnai Nat. Gas Htr. - 85% Efficiency $18.4
Ordinary Nat. Gas Htr. - 50% Efficiency $39.1
Toyo / K-1 Kerosene - 85% Efficiency $22.41
Rinnai LP Htr. - 85% Efficiency $28.41
Ordinary LP Htr. - 50% Efficiency $47.5
#2 Fuel Oil - Boiler/Furnace - 40-50% Efficiency $47.81
Electricity / kwh $38.09
   

Heater/Fuel Types Fuel Costs per million BTU (per heater brand)
Rinnai Htr. - Natural Gas
 $18.4
Ordinary Htr. - Natural Gas
 $39.1
Toyo / K-1 Kerosene
 $22.41
Rinnai Htr. - LP Gas
 $28.41
Ordinary Htr. - LP Gas
 $47.5
#2 Fuel Oil - Boiler/Furnace
 $47.81
Electricity / kwh
 $38.09