25 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sault Ste. Marie: Wardlaw Heating & Air Conditioning, CR Score 95/100; 4.8★ from 1,132 Google reviews; open 24/7.
Best for emergencies (open 24/7): Reliance Heating, Air Conditioning & Plumbing, posts 24/7 hours; ranked #2 of 25.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 676 Google reviews at 4.6★, the most of 25 ranked after Wardlaw Heating & Air Conditioning; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Sault Ste. Marie HVAC contractors are ranked here by CR Score, from 8 published factors. 9 are open 24/7, 10 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wardlaw Heating & Air Conditioning | 95 | 4.8★ (1,132) | Sault Ste. Marie | 24/7 | Overall |
| 2 | Reliance Heating, Air Conditioning & Plumbing | 93 | 4.6★ (676) | Sault Ste. Marie | 24/7 | Emergencies, Most reviews |
| 3 | DNM Plumbing & Heating | 89 | 4.8★ (258) | Sault Ste. Marie | 24/7 | — |
| 4 | Boyd Group Heating and Cooling | 88 | 5.0★ (25) | Sault Ste. Marie | 24/7 | — |
| 5 | Permanent Electric Sault Inc. | 86 | 4.5★ (11) | Sault Ste. Marie | 24/7 | — |
| 6 | Blue Phoenix Mechanical | 83 | 5.0★ (4) | Sault Ste. Marie | 24/7 | — |
| 7 | RepAire | 82 | 3.4★ (5) | Sault Ste. Marie | 24/7 | — |
| 8 | JEMS Plumbing & Heating | 82 | 5.0★ (7) | Sault Ste. Marie | 24/7 | — |
| 9 | National Supply Centre | 80 | 5.0★ (67) | Sault Ste. Marie | — | — |
| 10 | S & T Group | 80 | 4.9★ (94) | Sault Ste. Marie | — | — |
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 review volume: 4.8★ from 1,132 Google reviews, the most Google reviews on this list (1,132).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #2 because of its Google rating and availability: 4.6★ from 676 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #3 because of its Google rating and availability: 4.8★ from 258 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #4 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #5 because of its Google rating and availability: 4.5★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #6 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #7 because of its Google rating and availability: 3.4★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #8 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #9 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #10 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #11 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sault Ste. Marie, 5 km away
Ranked #12 because of its Google rating and availability: 3.3★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #13 because of its Google rating and trade focus: 4.6★ from 23 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie, 5 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie, 6 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie, 3 km away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 13 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #17 because of its Google rating and trade focus: 4.6★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #18 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #20 because of its Google rating and trade focus: 3.8★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #22 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #23 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 Sault Ste. Marie
Ranked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sault Ste. Marie
Ranked #25 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
5 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 |
|---|---|---|
| Cardinal Plumbing & Heating | In Sault Ste. Marie | |
| DDR Cooling | 5.0★ (1) | In Sault Ste. Marie |
| McLeod Bros Mechanical Inc | 4.3★ (7) | In Sault Ste. Marie |
| Mr. Rooter Plumbing of Sault Ste Marie | 4.8★ (321) | In Sault Ste. Marie |
| Standard Mechanical Systems Limited | In Sault Ste. Marie |
US national ranges converted to CAD, not adjusted for Sault Ste. Marie. 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 25 Sault Ste. Marie 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 Sault Ste. Marie 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 |