24 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint John: Matrix Mechanical, CR Score 95/100; 4.9★ from 512 Google reviews; open 24/7.
Best for emergencies (open 24/7): MACSiAIR Mini Split Heat Pump + Air Exchanger + Air Duct + Dryer Vent Cleaning Services, posts 24/7 hours; ranked #2 of 24.
Most-reviewed: Greenfoot Energy Solutions, 1,041 Google reviews at 4.9★, the most of 24 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 Saint John HVAC contractors are ranked here by CR Score, from 8 published factors. 8 are open 24/7, 8 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 24 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Matrix Mechanical | 95 | 4.9★ (512) | Saint John | 24/7 | Overall |
| 2 | MACSiAIR Mini Split Heat Pump + Air Exchanger + Air Duct + Dryer Vent Cleaning Services | 88 | 5.0★ (71) | Saint John | 24/7 | Emergencies |
| 3 | Crawford's Plumbing and heating LTD | 86 | 4.8★ (47) | Saint John | 24/7 | — |
| 4 | Greenfoot Energy Solutions | 86 | 4.9★ (1,041) | Saint John | — | Most reviews |
| 5 | Port City Plumbing & Heating Ltd | 85 | 5.0★ (28) | Saint John | 24/7 | — |
| 6 | Sure Flow Plumbing & Heating Ltd. | 85 | 4.5★ (68) | Saint John | 24/7 | — |
| 7 | Dominion Plumbing and Heating | 84 | 4.4★ (82) | Saint John | 24/7 | — |
| 8 | Mackenzie & Wilkins Plumbing | 82 | 5.0★ (24) | Saint John | 24/7 | — |
| 9 | Allstar Heating & Cooling | 82 | 5.0★ (100) | Saint John | — | — |
| 10 | Lawton James E Plumbing & Heating Ltd | 80 | 3.8★ (8) | Saint John | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 512 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #2 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #3 because of its Google rating and availability: 4.8★ from 47 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #4 because of its Google rating and review volume: 4.9★ from 1,041 Google reviews, the most Google reviews on this list (1,041).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #5 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #6 because of its Google rating and availability: 4.5★ from 68 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #7 because of its Google rating and availability: 4.4★ from 82 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #8 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #9 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #10 because of its Google rating and availability: 3.8★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #11 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #12 because of its Google rating and trade focus: 4.7★ from 57 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #13 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Saint John
Ranked #14 because of its Google rating and trade focus: 4.3★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #15 because of its Google rating and trade focus: 4.1★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #16 because of its Google rating and trade focus: 4.5★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #18 because of its Google rating and trade focus: 3.6★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #19 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #20 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #21 because of its Google rating and trade focus: 4.4★ from 41 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #22 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #23 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint John
Ranked #24 because of its Google rating and trade focus: 3.9★ from 21 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
16 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 |
|---|---|---|
| AHS Altimate Home Solutions Inc. | In Saint John | |
| B & R Commercial Heating & Plumbing | In Saint John | |
| Dominion Plumbing and Heating Inc | 3.0★ (1) | In Saint John |
| Doug Forgrave Plumbing & Heating Ltd | 3.0★ (2) | In Saint John |
| Elan Heating Svc Ltd | In Saint John | |
| First Choice Ventilation | In Saint John | |
| Francis Norman W Limited | 1.0★ (1) | In Saint John |
| Griffin Plumbing Inc. | 5.0★ (2) | In Saint John |
| J E Wilson Roofing Co Ltd | 4.5★ (2) | In Saint John |
| Kerr | In Saint John | |
| Mc Guire's Heating | In Saint John | |
| MC Ventilation Ltd | 5.0★ (2) | In Saint John |
| Nordic Clean Air | In Saint John | |
| Port City Plumbing & Heating Ltd | 5.0★ (2) | In Saint John |
| Standard Mechanical Systems Limited | 5.0★ (1) | In Saint John |
| VersaPro Solutions | In Saint John |
US national ranges converted to CAD, not adjusted for Saint John. 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 New Brunswick, 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 24 Saint John HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Saint John data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |