These are my local prices. I’m not too far away from you, so I suspect we’re pretty close in price. I’ll break the prices down in terms of therms, which is 100,000 BTU’s. (prices in my chart include distribution and taxes)
Natural gas - $0.0145 / ft², 1ft[size=4]²[size=2] of natural gas is 1,031 BTU, that makes natural gas $1.40 per therm.[/size][/size]
[size=4][size=2]LP gas - $1.45 / gal, 1 gal of LP gas is 91,500 BTU, that makes LP gas $1.59 per therm[/size][/size]
[size=4][size=2]Heating oil - $2.30 / gal, 1 gal of heating oil is 138, 690 BTU, that makes heating oil $1.69 per therm[/size][/size]
[size=4][size=2]Electric - $0.09 / Kw/h, 1 Kw/h is 3,412 BTU, that makes electric $2.64 per therm[/size][/size]
[size=4][size=2]Plug into that some common efficiencies for heating equipment, and you’ll get your net price per them.[/size][/size]
[size=4][size=2]Consider a modern Natural Gas or LP gas furnace to be around 90%, an oil furnace 85%, and electric is 100%. That gives you typical net operating prices, per therm, as follows:[/size][/size]
[size=4][size=2]Natural gas, $1.55/therm[/size][/size]
[size=4][size=2]LP Gas, $1.76/therm[/size][/size]
[size=4][size=2]Oil, $1.99/therm[/size][/size]
[size=4][size=2]Electric, $2.64/therm
[/size][/size]The type of insulation or the construction type of the home will only increase or lessen the BTU’s required to heat that home. The amount of fuel per BTU ratio for each fuel type isn’t effected by the insulation of the home[size=4]. [/size]