Top-Rated Heat Pump Installers in London, ON
12 local companies ranked by 5,886 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated heat pump installers in London are Maxcare Heating And Cooling (5.0★, 268 reviews), Hawana HVAC Solutions Ac & Furnace Repair London ON (5.0★, 224 reviews), Virtue Heating and Air Conditioning (5.0★, 135 reviews).
Heat Pump installers in London, ranked
- 5.0 (268 Google reviews)1994 Clayridge Wy, London, ON N6G 0V2
- 5.0 (224 Google reviews)670 Millbank Dr, London, ON N6E 1S2
- 5.0 (135 Google reviews)2881 Heardcreek Trail, London, ON N6G 0V9
- 5.0 (124 Google reviews)39 Enterprise Dr, London, ON N6N 1A3
- 5.0 (107 Google reviews)1848 Couldridge Way, London, ON N6G 0L6
- Donaldson Home ServicesMost reviews4.9 (3,040 Google reviews)77 Bessemer Rd, London, ON N6E 1P9
- 4.9 (959 Google reviews)213 Consortium Ct, London, ON N6E 2S8
- 4.9 (579 Google reviews)10 Pacific Ct Unit 2, London, ON N5V 3K4
- 4.9 (233 Google reviews)492 Hill St, London, ON N6B 1E7
- 5.0 (62 Google reviews)200 Queens Ave Ste 110, London, ON N6A 1J3
- 4.9 (78 Google reviews)1291 Rideau Gate, London, ON N5X 1W8
- 4.9 (77 Google reviews)Unit 23, 1853 Blackwater Rd, London, ON N5X 4R9
Together these 12 companies average 4.9★ across 5,886 reviews. Donaldson Home Services has the most reviews (3,040).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.
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What a heat pump costs in London
For a cold-climate central ducted heat pump in a detached house. Your home may cost more or less.
That could cut your cost by up to $12,000 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).
Price source: Canadian Climate Institute and Dunsky, Heat Pumps Pay Off (2023 dollars, modelled for Vancouver, Edmonton, Toronto, Montréal and Halifax). Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Talk to a registered energy advisor first. Some rebates need an evaluation or heat load calculation before any work starts. See the top-rated registered energy advisors in London. Read when to call an energy advisor.
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What London's winter means for your heat pump
In London, the average January low is -8°C, and the coldest temperature recorded from 2015-2024 was -31°C. That's milder than 29% of the 123 cities we track. That's true cold-climate territory. Ask for models rated to keep heating near your coldest temperatures, compare each model's heating output at -25°C, and plan for backup heat on the worst nights.
Source: Open-Meteo historical weather data, 2015-2024.
Before you hire a heat pump installer
- Ask for a room-by-room heat loss calculation. A quote that guesses the size from square footage alone is a red flag.
- Ask for the exact model and its heating output at your area's coldest temperature, not just the brand.
- Ask who handles the rebate paperwork and whether the model is on your rebate program's eligible list.
Questions about heat pump installers in London
Who is the best heat pump installer in London?
Based on Google reviews, the top-rated heat pump installers in London are Maxcare Heating And Cooling (5.0★, 268 reviews), Hawana HVAC Solutions Ac & Furnace Repair London ON (5.0★, 224 reviews), Virtue Heating and Air Conditioning (5.0★, 135 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the heat pump installers in London ranked?
We list 12 heat pump companies in London, ranked by Google rating weighted by review count. Together they have 5,886 Google reviews and average 4.9 stars, collected September 2026. Donaldson Home Services has the most reviews (3,040). No company pays to be listed or ranked.
How much does a heat pump installation cost in London?
For a cold-climate central ducted heat pump in a detached house, the installed price is typically about $12,000 to $20,000, according to Canadian Climate Institute and Dunsky, Heat Pumps Pay Off (2023 dollars, modelled for Vancouver, Edmonton, Toronto, Montréal and Halifax). Your home may cost more or less, so get at least two quotes for the same work.
Are there rebates for heat pumps in London?
Yes. Our verified program data shows heat pump rebates up to $12,000 open in London. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.
Is London too cold for a heat pump?
In London, the average January low is -8°C, and the coldest temperature recorded from 2015-2024 was -31°C. That's milder than 29% of the 123 cities we track. That's true cold-climate territory. Ask for models rated to keep heating near your coldest temperatures, compare each model's heating output at -25°C, and plan for backup heat on the worst nights.
What should I ask a heat pump installer before I hire?
Ask for a room-by-room heat loss calculation. A quote that guesses the size from square footage alone is a red flag. Ask for the exact model and its heating output at your area's coldest temperature, not just the brand. Ask who handles the rebate paperwork and whether the model is on your rebate program's eligible list.
Before you call anyone, check what heat pump rebates you can get in London. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated solar installers, insulation installers, home battery installers, energy advisors in London.
How to read these results
- Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
- Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
- Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
- Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.
Not ready to talk to a contractor yet?
Short reads and quick quizzes. Learn the rules first, then call.
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