73 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in North Cowichan: The Comfort Group, CR Score 66/100; 4.8★ from 1,166 Google reviews; open 24/7.
Best for emergencies (open 24/7): Westisle Heating & Cooling, posts 24/7 hours; ranked #2 of 73.
Most-reviewed: Westisle Heating & Cooling, 543 Google reviews at 4.8★, the most of 73 ranked after The Comfort Group; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 North Cowichan HVAC contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 29 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Comfort Group | 66 | 4.8★ (1,166) | Duncan, 7 km away | 24/7 | Overall |
| 2 | Westisle Heating & Cooling | 65 | 4.8★ (543) | Duncan, 8 km away | 24/7 | Emergencies, Most reviews |
| 3 | Exchangenergy HVAC and Air Conditioning | 65 | 5.0★ (211) | Duncan, 7 km away | 24/7 | — |
| 4 | BlueTide Heating & Cooling | 61 | 5.0★ (21) | North Cowichan | 24/7 | — |
| 5 | Coastal Heat Pumps | 60 | 5.0★ (123) | Duncan, 31 km away | 24/7 | — |
| 6 | Island Wise Heat Pumps & Gas | 60 | 5.0★ (16) | Salt Spring Island, 5 km away | 24/7 | — |
| 7 | Marmot Home Comfort | 58 | 4.9★ (43) | Ladysmith, 25 km away | 24/7 | — |
| 8 | Sub Zero Heating & Cooling Ltd | 58 | 5.0★ (106) | Duncan, 7 km away | — | — |
| 9 | JDL Heat Pumps | 57 | 5.0★ (3) | Salt Spring Island, 3 km away | 24/7 | — |
| 10 | Fresco Refrigeration Ltd | 57 | 5.0★ (122) | Salt Spring Island, 14 km away | — | — |
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 because of its Google rating and review volume: 4.8★ from 1,166 Google reviews, the most in North Cowichan.
Based in Duncan, 8 km away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 543 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 7 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 211 Google reviews, listed on Google as “HVAC contractor”.
Based in North Cowichan
Ranked #4 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 31 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Salt Spring Island, 5 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Ladysmith, 25 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 7 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
Based in Salt Spring Island, 3 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based in Salt Spring Island, 14 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “HVAC contractor”.
Based in North Cowichan
Ranked #11 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 9 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 7 km away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 12 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based in Duncan, 12 km away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 93 Google reviews, listed on Google as “Plumber”.
Based in Colwood, 19 km away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “HVAC contractor”.
Based in Ladysmith, 19 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Heating contractor”.
Based in Salt Spring Island, 31 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo, 14 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based in Salt Spring Island, 30 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 317 Google reviews, listed on Google as “HVAC contractor”.
Based in North Saanich, 33 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo, 12 km away
Ranked #22 because of its Google rating and trade focus: 2.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based in Victoria, 34 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in North Cowichan
Ranked #24 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Salt Spring Island, 21 km away
Ranked #25 because of its Google rating and trade focus: 4.2★ from 15 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 73 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 |
|---|---|---|
| Airwest Heating & Gas | 4.2★ (11) | 22 km |
| Avalon Energy Corp | 37 km | |
| Comfort Guides - Heating | 3 km | |
| D Parrott Plumbing & Heating | 5.0★ (1) | In North Cowichan |
| Dillon's Plumbing and Heating Nanaimo | 30 km | |
| Envirotemp Heat Pumps | 5.0★ (1) | 39 km |
| Gerrits Services Ltd. - Plumbing and Piping | 5.0★ (49) | In North Cowichan |
| goldstream mechanical | 2 km | |
| Intech Air - AC Installation in Victoria | 5.0★ (1) | 33 km |
| Island Boiler & Hot Water Co. | In North Cowichan | |
| Malcolm's Electrical Contracting Ltd | 4.6★ (30) | 29 km |
| Mill Bay Welding Company | 5.0★ (1) | 1 km |
| Nustar Heating and Cooling Ltd | 4.1★ (31) | 32 km |
| Pro Desk at RONA | 18 km | |
| Sahtlam Services | In North Cowichan | |
| Sandman Sheet Metal & HVAC | In North Cowichan | |
| Simply Sheet Metal | 5.0★ (14) | 31 km |
| Victoria Total Comfort | 25 km | |
| Warmland Heating and Cooling Ltd | In North Cowichan | |
| Westwind Mechanical Ltd. | 31 km |
US national ranges converted to CAD, not adjusted for North Cowichan. 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 |
British Columbia's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 73 North Cowichan 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 North Cowichan 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 |