Free tool
Monthly Cost Calculator
Estimate your monthly and seasonal furnace operating cost based on efficiency and gas prices.
Furnaces cycle — they rarely run continuously.
Canadian rates typically range $8–$16/GJ including delivery.
Estimated operating cost
$253
Per month (heating season)
$1,519
Per heating season
This estimates the gas your furnace burns to heat your home. A higher AFUE wastes less fuel — upgrading from 80% to 96% cuts roughly 17% off these numbers. Use the Efficiency Savings calculator to see your payback.
See efficiency savings