Guide · Updated June 2026
Are Heat Pumps Worth It in Ontario?
The honest answer is “usually yes, but it depends.” A heat pump is a strong choice for most Ontario homes — the trick is knowing when it is a clear win and when it is a closer call. Here is the straight version.
Short answer
Yes — with the right unit
Biggest win vs oil/propane/electric, or when you also need AC. Rebates up to $7,500 cut the upfront cost.
Do they work in our winters?
Yes. Cold-climate heat pumps are rated to roughly −25 to −30°C and keep useful heating output well below freezing. They lose some efficiency as it gets colder, so the one thing that matters is buying a proper cold-climate-rated model — not a budget unit rated only to −10°C. Many Ontario homes run a heat pump as the sole system; others pair it with a gas furnace for the coldest nights.
What it costs to run vs gas
A heat pump moves 2–4 units of heat per unit of electricity, so in moderate weather it typically costs 30–50% less to run than an equivalent gas furnace. In the coldest stretches (below about −15°C), gas can become cheaper per hour — which is exactly why hybrid systems are popular: the heat pump does most of the season, the furnace covers the extremes.
When it is clearly worth it
- ✓You heat with oil, propane, wood or electric resistance — high running cost today, plus the bigger $7,500 rebate.
- ✓You need a new air conditioner anyway — a heat pump is both heating and cooling in one.
- ✓Your furnace or AC is near end of life — replacing one system instead of two.
When it is a closer call
If you already have an efficient gas furnace and pay low gas rates, the yearly energy savings are smaller. The case then rests on the built-in cooling, steadier comfort, lower emissions on Ontario's clean grid, and avoiding a separate AC replacement down the road. A hybrid setup is often the most pragmatic answer here.
How rebates change the math
Upfront, an air-source system runs about $10,000–$18,000 installed. The Home Renovation Savings rebate covers up to $7,500 for a non-gas home, and oil homes can add the federal OHPA grant — which often brings the net cost close to what a furnace-plus-AC would have cost. Payback typically lands in the 5–12 year range, fastest when you are replacing oil, propane or electric heat.
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Related guides
- Heat pump vs furnace — full comparison
- What a heat pump costs in Ontario
- How to stack rebates to cut the price
Common questions
Do heat pumps actually work in Ontario winters?
Yes — modern cold-climate models are rated to roughly ‑25 to ‑30°C and keep meaningful output well below freezing. The key is buying a cold-climate-rated unit; budget units rated only to ‑10°C are not suitable for Ontario.
Is a heat pump cheaper to run than gas?
In moderate weather, usually yes — often 30–50% cheaper because it moves heat rather than burning fuel. In extreme cold (below about ‑15°C) gas can be cheaper per hour, which is why many Ontario homes use a hybrid (heat pump plus gas backup).
When is a heat pump clearly worth it?
When you heat with oil, propane, wood or electric resistance (high fuel cost and the bigger $7,500 rebate), or when you need a new air conditioner anyway — a heat pump replaces both.
When is it a closer call?
If you already have an efficient gas furnace and cheap gas, the annual savings are smaller and the case rests more on cooling, comfort, emissions, and avoiding a future AC replacement.
Running-cost and savings figures are typical 2026 Ontario ranges and vary by home, rates and usage; rebate figures reflect the Home Renovation Savings Program, verified June 2026. ClaimRebate.ca is independent and not affiliated with any government.