The Costs of Converting to Natural Gas

Furnace BTU Output Required

See the BTU Requirements Guide below.

Installed Costs BTU
50 k 75 k 100 k 125 k 140 k
FORCED AIR FURNACES
High Efficiency $2,400 $2,900 $3,200 $3,600 $4,000
Mid Efficiency $2,100 $2,500 $2,800 $3,200 $3,500
BOILERS
Mid Efficiency $2,500 $2,500 $2,500 $3,000 $3,000
High Efficiency $4,200
COMBINATION SPACE/
WATER HEATING
$2,600
rent $20.95/mo
$2,800
$31.70/mon.
$3,000
$33.65/mo
$3,000
$33.65/mo
WATER HEATER Rent Standard $8.35 Buy and Install $450
  Power Vent $13.45 Buy and Install $800
POSSIBLE ADDITIONAL COSTS
Power Vent Kit
Metal Chimney

$700
$450
 
IF HOME IS ELECTRIC BASEBOARD HEATED
Ductwork Costs

Plans and Permits

1 story house
$3,000 - 5,000

$500

2 story house
$4,000 - 7,000

$500

Assumptions and Notes

 

BTU Requirement Guide

This varies with a number of factors, including home size, location, age of house, insulation level, number of occupants and typical temperature setting. The following can be used as a guide.

The most accurate way of calculating this requirement is use the volume calculator.

House Size BTU/HR
< 1,200 sq. ft. 50,000
1,200 - 1,600 sq. ft. 75,000
1,600 - 2,000 sq. ft. 100,000
2,000 - 3,000 sq. ft. 125,000
3,000 - 4,000 sq. ft. 140,000
 

Information Sources

Enbridge Gas Distribution Inc., Bryant Heating, Davenport-Campbell, Laird & Son, Lennox Industries, Carrier

Add-on Extras

Central Air Conditioning $2,500
Electronic Air Cleaner $600
Humidifier $200
Electronic Thermostat $150


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