174 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ingersoll: Reliance London Heating, Air Conditioning & Plumbing, CR Score 64/100; 4.8★ from 12,217 Google reviews; open 24/7.
Best for emergencies (open 24/7): Premier Gas Services, posts 24/7 hours; ranked #2 of 174.
Most-reviewed: Donaldson Heating and Air Conditioning, 2,733 Google reviews at 4.9★, the most of 174 ranked after Reliance London Heating, Air Conditioning & Plumbing; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
174 Ingersoll HVAC contractors are ranked here by CR Score, from ten published factors. 68 are open 24/7, 89 open Saturdays and 76 open Sundays, based on posted hours. The median Google rating is 4.8★ across 174 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliance London Heating, Air Conditioning & Plumbing | 64 | 4.8★ (12,217) | London, 23 km away | 24/7 | Overall |
| 2 | Premier Gas Services | 61 | 5.0★ (53) | Ingersoll | 24/7 | Emergencies |
| 3 | Enns Air - HVAC Services | 61 | 5.0★ (110) | Huron East, 10 km away | 24/7 | — |
| 4 | Handy Bros. HVAC London (AC and Furnace Repair) | 60 | 4.9★ (536) | London, 28 km away | 24/7 | — |
| 5 | Hometown Heating and Cooling | 59 | 4.9★ (827) | Ingersoll | — | — |
| 6 | Roy Inch & Sons Home Services by Enercare | 59 | 4.7★ (1,490) | London, 32 km away | 24/7 | — |
| 7 | Handy Bros. Home Comfort: Woodstock HVAC | 59 | 5.0★ (103) | Woodstock, 19 km away | 24/7 | — |
| 8 | M & K Heating and Air Conditioning | 59 | 4.6★ (1,614) | London, 29 km away | 24/7 | — |
| 9 | B.R.'s Plumbing and Heating | 59 | 4.8★ (236) | Norfolk County, 21 km away | 24/7 | — |
| 10 | Abode Home Comfort | 59 | 5.0★ (499) | St. Thomas, 35 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Ingersoll
Based in London, 23 km away
Ranked #1 because of its Google rating and review volume: 4.8★ from 12,217 Google reviews, the most in Ingersoll.
Based in Ingersoll
Ranked #2 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based in Huron East, 10 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 28 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 536 Google reviews, listed on Google as “HVAC contractor”.
Based in Ingersoll
Ranked #5 because of its Google rating and trade focus: 4.9★ from 827 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 32 km away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,490 Google reviews, listed on Google as “HVAC contractor”.
Based in Woodstock, 19 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 29 km away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 1,614 Google reviews, listed on Google as “HVAC contractor”.
Based in Norfolk County, 21 km away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 236 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Thomas, 35 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 499 Google reviews, listed on Google as “HVAC contractor”.
Based in Orangeville, 26 km away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 203 Google reviews, listed on Google as “Air conditioning contractor”.
Based in London, 29 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,733 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 24 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 493 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 25 km away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 860 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Thomas, 35 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 491 Google reviews, listed on Google as “HVAC contractor”.
Based in Ingersoll
Ranked #16 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 28 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Thomas, 19 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 29 km away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 271 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Thomas, 38 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 313 Google reviews, listed on Google as “HVAC contractor”.
Based in Norfolk County, 21 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Heating contractor”.
Based in London, 29 km away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 228 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 30 km away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 250 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 27 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “HVAC contractor”.
Based in London, 29 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 174 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 1Click Heating and Cooling London Ontario | 5.0★ (1) | 34 km |
| A.J. Smith Heating & Cooling | 5.0★ (1) | 21 km |
| All Care Energy | 3.0★ (2) | In Ingersoll |
| Blake Mechanical Svc Inc | 5.0★ (2) | 28 km |
| C.J. HVAC Services | 5.0★ (2) | 31 km |
| Farrington Plumbing & Heating | 3.0★ (2) | 16 km |
| Freeman Mechanical | 4.9★ (358) | In Ingersoll |
| George Forsyth Plumbing & Heating | 5.0★ (1) | 33 km |
| House Mechanical Inc | 12 km | |
| Hurn Plumbing and Heating | 4.9★ (23) | 35 km |
| Hvac London | 5.0★ (2) | 31 km |
| London Home Comfort | 4.7★ (13) | 30 km |
| MBH Mechanical | 5.0★ (1) | In Ingersoll |
| Metro Boiler Inc. | 5.0★ (1) | 17 km |
| MY BETTER HOME | 3.8★ (4) | In Ingersoll |
| Perfect Temperature HVAC Services INC | 5.0★ (15) | 33 km |
| Poulsen | 3.3★ (16) | 24 km |
| Superior Plumbing & Heating of Woodstock | 4.8★ (49) | 13 km |
| The Reliable HVAC | 15 km | |
| Toasty's Heat and Cool | 5.0★ (19) | 25 km |
US national ranges converted to CAD, not adjusted for Ingersoll. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | CA$5,460 | CA$8,400 | CA$11,350 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Furnace replacement | CA$3,970 | CA$6,770 | CA$9,690 | Per system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 174 Ingersoll HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Ingersoll data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |