7 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hawkesbury: Empire Mechanical, CR Score 61/100; 4.7★ from 28 Google reviews; open 24/7.
Best for emergencies (open 24/7): MDM Combustion inc, posts 24/7 hours; ranked #7 of 7.
Most-reviewed: Gray Hawk (1991) Co. Ltd., 53 Google reviews at 3.4★, the most of 7 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Hawkesbury HVAC contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 3.6★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Empire Mechanical | 61 | 4.7★ (28) | Hawkesbury | 24/7 | Overall |
| 2 | UNI Mechanical Inc | 55 | 3.6★ (19) | Hawkesbury | — | — |
| 3 | Gray Hawk (1991) Co. Ltd. | 55 | 3.4★ (53) | Hawkesbury | — | Most reviews |
| 4 | Riverside Plumbing & Heating | 54 | 3.5★ (32) | Hawkesbury | — | — |
| 5 | Lortie Refrigeration Inc | 52 | 3.6★ (14) | Hawkesbury | — | — |
| 6 | J P Refrigeration Inc | 48 | 3.3★ (4) | Hawkesbury | — | — |
| 7 | MDM Combustion inc | 45 | 5.0★ (6) | Clarence-Rockland, 31 km away | 24/7 | Emergencies |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawkesbury
Ranked #2 because of its Google rating and trade focus: 3.6★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hawkesbury
Ranked #3 because of its Google rating and review volume: 3.4★ from 53 Google reviews, the most in Hawkesbury.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawkesbury
Ranked #4 because of its Google rating and trade focus: 3.5★ from 32 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawkesbury
Ranked #5 because of its Google rating and trade focus: 3.6★ from 14 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawkesbury
Ranked #6 because of its Google rating and trade focus: 3.3★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarence-Rockland, 31 km away
Ranked #7 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
US national ranges converted to CAD, not adjusted for Hawkesbury. 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 7 Hawkesbury 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 Hawkesbury 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 |