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Natural Gas Furnaces https://www.uniongas.com/residential/naturalgasproducts/heating/costcomp.asp
Cost Comparison

Natural Gas Furnaces are designed to offer you maximum heating comfort with a variety of models available at different prices and efficiencies.

Comparing the purchase price of new natural gas furnaces is easy. What requires more thought is the long term costs of each furnace.

This chart can help you see the difference not only between oil, electric and natural gas furnaces, but also between the mid and high-efficiency models of each.

Natural gas is the right fuel for home heating. The numbers prove it.

Natural Gas Cost Electric Baseboard Cost Approximate
Annual
Savings over
Electric Baseboard Up To Fuel Oil (83% AFUE) Approximate Annual Savings over Fuel Oil Up To Propane Cost Approximate Annual Savings over Propane Up To
Mid Efficiency $1,049 $1,715 $666 $2,638 $1,589 $2,977 $1,928
High Efficiency (ENERGY STAR, Min 90% AFUE) $932 $1,715 $783
$2,638


$1,706 $2,636 $1,704
High Efficiency with ECM (var. speed motor) $919 $1,715 $796
$2,638


$1,719
$2,624 $1,705
Mid Efficiency with ECM
(var. speed motor) $1,037 $1,715 $678
$2,638



$1,601


$2,964 $1,927
Two stage furnace
(ultra efficient) $864 $1,715 $851
$2,638


$1,774 $2,482 $1,618

Note:
Based on fuel rates as of July 2008.
Natural Gas $0.4762 per m3
Electricity $0.0938 per kWh
Fuel Oil $1.2537 per Litre
Propane $0.9430 per Litre

Cost comparison based on a standard 1500 square foot, single storey home located in the Union Gas service area.