Ranked #1 because of its Google rating and review volume: 4.9★ from 3,111 Google reviews, the most in Nanaimo.
- 4.9★ from 3,111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1940 Boxwood Rd, Nanaimo, BC V9S 5Y2
73 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nanaimo: Norm's Plumbing, Heating & Air Conditioning, CR Score 68/100; 4.9★ from 3,111 Google reviews; open 24/7.
Best for emergencies (open 24/7): The Comfort Group Heating Co, posts 24/7 hours; ranked #2 of 73.
Most-reviewed: Pope and Sons, 1,583 Google reviews at 4.9★, the most of 73 ranked after Norm's Plumbing, Heating & Air Conditioning; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Nanaimo HVAC contractors are ranked here by CR Score, from ten published factors. 22 are open 24/7, 28 open Saturdays and 26 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 | Norm's Plumbing, Heating & Air Conditioning | 68 | 4.9★ (3,111) | Nanaimo | 24/7 | Overall |
| 2 | The Comfort Group Heating Co | 66 | 4.8★ (1,244) | Nanaimo | 24/7 | Emergencies |
| 3 | Twin Peaks Plumbing, Heating & Gas | 65 | 4.9★ (301) | Nanaimo | 24/7 | — |
| 4 | Milani Plumbing, Heating & Air Conditioning | 64 | 4.9★ (233) | Nanaimo | 24/7 | — |
| 5 | Bryan's Mechanical | 64 | 4.9★ (176) | Nanaimo | 24/7 | — |
| 6 | Waywest Mechanical Ltd - 24 Hour service Nanaimo | 63 | 4.9★ (99) | Nanaimo | 24/7 | — |
| 7 | Archie Johnstone Plumbing & Heating | 63 | 4.6★ (220) | Nanaimo | 24/7 | — |
| 8 | Pope and Sons | 62 | 4.9★ (1,583) | Parksville, 32 km away | 24/7 | Most reviews |
| 9 | Coastal Energy Ltd | 61 | 5.0★ (685) | Nanaimo | — | — |
| 10 | ServiceXCEL Heating, Cooling & Plumbing | 61 | 5.0★ (561) | Nanaimo | — | — |
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: 4.9★ from 3,111 Google reviews, the most in Nanaimo.
Based in Nanaimo
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,244 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #3 because of its Google rating and trade focus: 4.9★ from 301 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #4 because of its Google rating and trade focus: 4.9★ from 233 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #5 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Nanaimo
Ranked #6 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #7 because of its Google rating and trade focus: 4.6★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based in Parksville, 32 km away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,583 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #9 because of its Google rating and trade focus: 5.0★ from 685 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #10 because of its Google rating and trade focus: 5.0★ from 561 Google reviews, listed on Google as “Heating contractor”.
Based in Nanaimo
Ranked #11 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #12 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Nanaimo
Ranked #13 because of its Google rating and trade focus: 5.0★ from 207 Google reviews, listed on Google as “HVAC contractor”.
Based in Ladysmith, 15 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #15 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Plumber”.
Based in Nanaimo
Ranked #16 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #17 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Parksville, 31 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #20 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #21 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Plumber”.
Based in Nanaimo
Ranked #22 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #23 because of its Google rating and trade focus: 4.7★ from 146 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #24 because of its Google rating and trade focus: 2.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based in Nanaimo
Ranked #25 because of its Google rating and trade focus: 5.0★ from 33 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 |
|---|---|---|
| Airtight Energy Advisors | 3.7★ (3) | In Nanaimo |
| Arrowsmith Heating | 4.3★ (6) | 36 km |
| Art's Plumbing & Heating | In Nanaimo | |
| Avalon Energy Corp | In Nanaimo | |
| Bear Creek Gasworks | 5.0★ (4) | 39 km |
| CBS Electrical Contractors | 5.0★ (16) | In Nanaimo |
| F & M Installations Ltd | 4.8★ (16) | In Nanaimo |
| K-Lou Electric - Master Electrician Contractors in Nanaimo | 5.0★ (14) | In Nanaimo |
| KJ Contracting + Controls | 5.0★ (13) | In Nanaimo |
| Kowal Mechanical | In Nanaimo | |
| LD Plumbing & Heating | 4.3★ (86) | 21 km |
| M2 Mechanical | 3.1★ (7) | In Nanaimo |
| Major League Property Development Specialists Ltd | 4.9★ (141) | In Nanaimo |
| Prep Energy Limited | 5.0★ (4) | In Nanaimo |
| Target Plumbing & Heating Ltd. | In Nanaimo | |
| Vanderleek Roofing Inc | 5.0★ (5) | In Nanaimo |
| Wenner Group - Smart Home Experience Centre | 4.7★ (63) | In Nanaimo |
| West Rock Electric | 5.0★ (13) | In Nanaimo |
| Westwind Mechanical | In Nanaimo | |
| Westwind Mechanical Ltd. | In Nanaimo |
US national ranges converted to CAD, not adjusted for Nanaimo. 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 Nanaimo 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 Nanaimo 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 |