68/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 834 Google reviews, the most in Cobourg.
- 4.9★ from 834 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 701 Brook Rd N, Cobourg, ON K9A 0R7
Best HVAC Contractors in Cobourg, ON (2026)
49 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cobourg: Comfort Zone Heating and Air Conditioning, CR Score 68/100; 4.9★ from 834 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Platinum Choice Heating and Air Conditioning INC., posts 24/7 hours; ranked #2 of 49.
- 14
Most-reviewed: Tom's Heating and Cooling, 812 Google reviews at 4.9★, the most of 49 ranked after Comfort Zone Heating and Air Conditioning; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
49 Cobourg HVAC contractors are ranked here by CR Score, from ten published factors. 15 are open 24/7, 27 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.9★ across 49 rated businesses.
Top 10 HVAC contractors in Cobourg at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Comfort Zone Heating and Air Conditioning | 68 | 4.9★ (834) | Cobourg | 24/7 | Overall |
| 2 | Platinum Choice Heating and Air Conditioning INC. | 66 | 4.9★ (275) | Cobourg | 24/7 | Emergencies |
| 3 | Tru Tech Heating and Air Conditioning | 63 | 5.0★ (47) | Cobourg | 24/7 | — |
| 4 | Stadtke Plumbing & Heating Ltd. | 63 | 4.9★ (736) | Cobourg | Sat · Sun | — |
| 5 | Durham Housing Specialists | 62 | 5.0★ (106) | Oshawa, 6 km away | Sat · Sun · Evenings | — |
| 6 | Superior Plumbing & Heating of Cobourg | 61 | 4.5★ (55) | Cobourg | 24/7 | — |
| 7 | Northumberland Climate Solutions Inc. | 60 | 4.8★ (17) | Cobourg | 24/7 | — |
| 8 | Bryans Heating & Air | 60 | 4.9★ (212) | Peterborough, 38 km away | 24/7 | — |
| 9 | TrueTemp Heating and Air Conditioning | 59 | 5.0★ (18) | Cobourg | Sat · Sun · Evenings | — |
| 10 | Hoover's Home Energy Inc. Heating and Air Conditioning | 59 | 4.8★ (417) | Port Hope, 14 km away | — | — |
The 49 best HVAC contractors in Cobourg, ranked
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.
Based in Cobourg
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 275 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 275 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1445 Stewart Line, Cavan, ON L0A 1C0
Based in Cobourg
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cobourg
63/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 736 Google reviews.
- 4.9★ from 736 Google reviews
- Hours
- Mon–Sat 6 AM–6 PM · Sun 8 AM–4 PM
- Address
- 1-8783 Dale Rd, Cobourg, ON K9A 4J9
Based in Oshawa, 6 km away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 106 Google reviews
- Hours
- Mon–Sun 6 AM–11 PM
Based in Cobourg
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.5★ from 55 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1040 Division St Unit 221, Cobourg, ON K9A 5Y5
Based in Cobourg
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 383 King St W, Cobourg, ON K9A 2N6
Based in Peterborough, 38 km away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 212 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 212 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1057 ON-7 unit number 11, Peterborough, ON K9J 6X8
Based in Cobourg
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 18 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
Based in Port Hope, 14 km away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 417 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 417 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 4542 County Rd 2, Port Hope, ON L1A 3V5
Based in Oshawa, 9 km away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cobourg
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 45 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 137 King St E Unit 5, Cobourg, ON K9A 1L2
Based in Ajax, 40 km away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Peterborough, 36 km away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 812 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 812 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 347 Pido Rd Unit 21, Peterborough, ON K9J 6X7
Based in Cobourg
57/100CR ScoreRanked #15 because of its Google rating and review volume: 4.3★ from 437 Google reviews.
- 4.3★ from 437 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1316 County Rd 28, Fraserville, ON L0A 1C0
Based in Port Hope, 16 km away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.3★ from 17 Google reviews, listed on Google as “HVAC contractor”.
- 4.3★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4013 Lakeshore Rd, Port Hope, ON L1A 3V7
Based in Cobourg
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 250 Lake Rd Unit 101, Bowmanville, ON L1C 4P8
Based in Port Hope, 8 km away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 56 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 375 Ward St Unit 2, Port Hope, ON L1A 4A4
#19 A1 Heating Inc
Based in Quinte West, 37 km away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 421 Concession Rd 4 E, Warkworth, ON K0K 3K0
Based in Cobourg
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17 King St E, Cobourg, ON K9A 1K6
#21 Noble
Based in Cobourg
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.5★ from 13 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 13 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 520 William St Unit A9, Cobourg, ON K9A 0K1
Based in Cobourg
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 59 Google reviews
- Hours
- Mon–Tue 7:15 AM–4:15 PM · Wed 7:30 AM–4:15 PM · Thu–Fri 7:15 AM–4:15 PM · Sat–Sun closed
- Address
- 86 Prince Edward St Unit 5, Brighton, ON K0K 1H0
Based in Cobourg
54/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 120 Google reviews.
- 4.8★ from 120 Google reviews
- Hours
- Mon–Fri 9:30 AM–5 PM · Sat 9 AM–4 PM · Sun closed
- Address
- 70 King St E, Cobourg, ON K9A 2M4
Based in Cobourg
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.8★ from 34 Google reviews, listed on Google as “HVAC contractor”.
- 3.8★ from 34 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 566 D'Arcy St, Cobourg, ON K9A 4A9
Based in Peterborough, 40 km away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 497 Bolivar St, Peterborough, ON K9J 4R5
All 49 HVAC contractors
#1 to #25 are shown in full above. Here are #26 to #49, in CR Score order; each links to its profile.
Also serving Cobourg
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 |
|---|---|---|
| A1 Heating Inc. | 18 km | |
| Capital Mechanical Services | 5.0★ (1) | 39 km |
| Carmichael Engineering Ltd | 37 km | |
| Cold Creek Hvac | 5.0★ (2) | 28 km |
| David's Gas Service | 1.0★ (1) | 37 km |
| Don Dorsett Refrigeration | 39 km | |
| Evertech Heating and Cooling | 5.0★ (1) | In Cobourg |
| Guardian Plumbing and Drain | 4.8★ (627) | In Cobourg |
| Immaculate Combustion | 1.0★ (1) | In Cobourg |
| Jon and Johnson Heating | 37 km | |
| Mcmillan Refgn Sale Services Lmt | 38 km | |
| Mike Gabovic Plumbing-Heating | 3.0★ (1) | In Cobourg |
| Mtw Heating And Cooling | In Cobourg | |
| Pro Desk at RONA | In Cobourg | |
| Pro Desk at RONA | 9 km | |
| Renes Total Home Comfort | 1.0★ (2) | 35 km |
| Setpoint Building Automation - Peterborough | 37 km | |
| The Comfort Shoppe in Peterborough | 1.0★ (1) | 39 km |
| United Trades | In Cobourg | |
| Y And P Repair & Maintenance | 5.0★ (1) | In Cobourg |
How much do HVAC contractors cost in Cobourg?
US national ranges converted to CAD, not adjusted for Cobourg. 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 |
When to hire an HVAC contractor in Ontario
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.
How we ranked Cobourg HVAC contractors
We scored 49 Cobourg 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 Cobourg 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 |
HVAC contractors in Cobourg: frequently asked questions
Who is the best HVAC contractor in Cobourg?
By CR Score, the highest-ranked HVAC contractor in Cobourg, ON is Comfort Zone Heating and Air Conditioning with a CR Score of 68/100. It has 4.9★ from 834 Google reviews. It is open 24/7. Platinum Choice Heating and Air Conditioning INC. (#2) and Tru Tech Heating and Air Conditioning (#3) follow. We ranked 49 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Cobourg?
ContractorsRanked ranks 49 HVAC contractors serving Cobourg, ON. 18 of them are based in Cobourg; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Cobourg are open 24/7?
15 ranked HVAC contractors in Cobourg post 24/7 hours. The highest-ranked are Comfort Zone Heating and Air Conditioning (#1), Platinum Choice Heating and Air Conditioning INC. (#2) and Tru Tech Heating and Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Cobourg work on weekends?
27 of 49 ranked HVAC contractors post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are Comfort Zone Heating and Air Conditioning (#1), Platinum Choice Heating and Air Conditioning INC. (#2) and Tru Tech Heating and Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Cobourg?
AC replacement typically costs CA$5,460 to CA$11,350, with CA$8,400 typical (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)). This is a national range, not adjusted for Cobourg. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Cobourg HVAC contractors have?
The median Google rating among 49 rated HVAC contractors in Cobourg is 4.9★, with a median of 32 reviews. Comfort Zone Heating and Air Conditioning has the most, 834 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Cobourg?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Cobourg
- October 2026: CR Scores recalculated for 49 hvac contractors serving Cobourg.
More HVAC contractors and Cobourg pages
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