Heat Pump vs Furnace: The Real Cost Comparison for a Canadian Winter

When a furnace dies in January, the replacement decision usually gets made in about 48 hours, under duress, in a cold house. This comparison exists so you can make it now instead: what each system costs to buy, what each costs to run, what each costs after the rebates Canada is currently handing out, and the situations where the unfashionable answer — just buy the furnace — is genuinely right.

Prices here are Manitoba installed ranges from fall 2026, the same figures used in our Manitoba cost guide. The logic travels; the exact numbers vary by province.

Round 1: the purchase price

System	Installed cost
High efficiency gas furnace	$5,500 – $8,500
Ducted cold climate heat pump	$15,000 – $22,000
Ductless mini split heat pump	$4,500 – $8,500

On sticker price alone, the furnace wins and it is not close. A ducted heat pump costs roughly two to three times as much to install, largely because it is really two machines in one — a heater and an air conditioner — with pricier equipment and a more involved install.

Round 2: the price after rebates

Furnaces get essentially nothing. Heat pumps, right now, get a lot:

	Furnace	Ducted heat pump
Installed price (mid range)	$7,000	$18,000
Federal rebate	$0	up to $10,000
Manitoba rebate	$0	$2,000
Net cost, top rebate tier	$7,000	about $6,000
Net cost, standard tier	$7,000	about $14,000

The rebates do not just narrow the gap — for households in the top federal tier, they erase it and reverse it. Full stacking math for every province is in the master rebate table.

Round 3: the running costs

This round is about efficiency, and it is where the heat pump’s whole argument lives.

A 96 percent efficient gas furnace turns a dollar of gas into about 96 cents of heat. That sounds unbeatable until you remember a heat pump does not make heat — it moves it. Across a heating season, a cold climate heat pump typically delivers two to three dollars of heat for every dollar of electricity, an average efficiency of 200 to 300 percent. No furnace can beat that arithmetic; it can only beat the electricity price.

So the real question is your local price of electricity versus gas, per unit of delivered heat. Manitoba makes it concrete: residential electricity here averages about 11 cents per kWh (Canada Energy Regulator figures), among the lowest in the country.

• Electric baseboards: 11 cents buys 1 kWh of heat. Call it 11¢ per unit of heat.
• Heat pump at a seasonal average of 2.5: that same 11 cents buys 2.5 kWh of heat. About 4.4¢ per unit of heat — roughly 60 percent cheaper than baseboards, every hour of the season.
• Gas furnace: one cubic metre of gas holds about 10.5 kWh of heat, and a 96 percent furnace delivers about 10 of them. So take the per cubic metre rate on your gas bill and divide by 10 — that is your cost per unit of heat. If your gas rate works out below the heat pump’s 4.4¢, gas heat is cheaper per unit; above it, the heat pump wins. Deep cold snaps narrow the heat pump’s edge, which is why most prairie systems keep a backup source.

Oil and propane homes are not a close call. Those are the most expensive ways to heat a house in Canada, and the federal government estimates switching to a heat pump saves those households more than $1,400 a year — before the comfort of finally having air conditioning.

Round 4: the extras nobody prices in

Air conditioning. A ducted heat pump includes it. The furnace path usually means buying a central air conditioner separately at some point — commonly $4,000 to $6,000 installed — or living without. Price the whole system, not the box.

Lifespan. A gas furnace typically lasts 15 to 20 years; a heat pump about 15. Slight edge to the furnace, and worth knowing honestly.

Maintenance. Both want annual professional service. The heat pump adds a five minute job: rinsing its filters regularly, which your installer will beg you to actually do.

The coldest nights. A cold climate heat pump handles the bulk of a prairie winter on its own and leans on backup heat (often the furnace it replaced, kept in a dual fuel setup) for the extremes. Our −30° guide covers how that works and what to ask about sizing.

When the furnace still wins

• Your furnace is young. Replacing a five year old furnace early rarely pays, rebates or not. Revisit when it ages.
• You have cheap gas, no ducts issue, and zero interest in air conditioning. The running cost math can stay in gas’s favour, especially outside the top rebate tier.
• You are selling within a year or two. You may not stay long enough to collect the running savings — though a new system with rebate paperwork is a real selling feature.
• Your home is a poor fit. No ducts and no good wall space for ductless heads, a panel that cannot support it, a tiny heat load — some houses genuinely argue for the simple swap.

When the heat pump wins, clearly

• You heat with oil, propane, or electric baseboards — the savings are the largest in the country
• Your furnace is at end of life anyway, so the real comparison is net cost versus net cost
• You need air conditioning regardless — now it is one purchase instead of two
• You are in the top federal rebate tier — the purchase price argument simply disappears
• You live somewhere with cheap electricity, Manitoba and Quebec above all

The verdict

For a generation, “furnace is cheaper” was true because it only counted the invoice. Count the invoice after rebates, the decade of running costs, and the air conditioner you were going to buy anyway, and the heat pump wins most Canadian matchups in 2026 — decisively for oil, propane, and electric heated homes, comfortably in Manitoba, and narrowly or not at all for cheap gas homes with a young furnace and no interest in cooling. Run your own three numbers — net installed cost, your gas rate divided by 10, and 11 cents divided by 2.5 — and your house will tell you its answer.