Ranked #1 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
10 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hanover: Climate Comfort Solutions, CR Score 90/100; 4.9★ from 35 Google reviews; open 24/7.
Best for emergencies (open 24/7): J Squared HVAC, posts 24/7 hours; ranked #3 of 10.
Most-reviewed: Cross Heating & Air Conditioning Ltd., 149 Google reviews at 5.0★, the most of 10 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Hanover HVAC contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.7★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Climate Comfort Solutions | 90 | 4.9★ (35) | Waterloo, 5 km away | 24/7 | Overall |
| 2 | Cross Heating & Air Conditioning Ltd. | 90 | 5.0★ (149) | Hanover | Sat · Evenings | Most reviews |
| 3 | J Squared HVAC | 89 | 5.0★ (49) | Ajax, 17 km away | 24/7 | Emergencies |
| 4 | KDG Plumbing LTD. | 75 | 4.3★ (18) | Hanover | — | — |
| 5 | Montgomery Industrial Services Hanover | 75 | 3.6★ (45) | Hanover | — | — |
| 6 | Sepoy Trade Solutions LTD. | 70 | 4.8★ (10) | Huron East, 36 km away | — | — |
| 7 | Moran Mechanical And Electrical | 69 | 4.5★ (14) | Huron East, 37 km away | — | — |
| 8 | Lippert Plumbing, Heating and Cooling | 69 | 5.0★ (3) | Huron East, 26 km away | — | — |
| 9 | Montgomery Industrial Services | 68 | 3.6★ (34) | Huron East, 39 km away | — | — |
| 10 | Metzger Heating and Cooling | 67 | 3.3★ (23) | North Perth, 38 km away | — | — |
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 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #2 because of its Google rating and review volume: 5.0★ from 149 Google reviews, the most Google reviews on this list (149).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ajax, 17 km away
Ranked #3 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #4 because of its Google rating and trade focus: 4.3★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #5 because of its Google rating and trade focus: 3.6★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Huron East, 36 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Huron East, 37 km away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Huron East, 26 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Huron East, 39 km away
Ranked #9 because of its Google rating and trade focus: 3.6★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Perth, 38 km away
Ranked #10 because of its Google rating and trade focus: 3.3★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
6 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 |
|---|---|---|
| Foster's Plumbing Heating & Air Conditioning | 31 km | |
| Mcgill Plumbing Heating & Air Conditioning | 30 km | |
| Motion Electrical Contracting Ltd | In Hanover | |
| Olheiser Heating & Air Conditioning | 33 km | |
| Pro Desk at RONA | In Hanover | |
| SMART TECH HEATING AND COOLING INC | 5.0★ (2) | 17 km |
US national ranges converted to CAD, not adjusted for Hanover. 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 10 Hanover 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 Hanover 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 |