295 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Niagara Falls: Evans Heating & Cooling, CR Score 64/100; 4.8★ from 822 Google reviews; open 24/7.
Best for emergencies (open 24/7): Reliance Heating, Air Conditioning & Plumbing, posts 24/7 hours; ranked #2 of 295.
Most-reviewed: Reimer Heating, Cooling & Plumbing, 8,360 Google reviews at 4.9★, the most of 295 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
295 Niagara Falls HVAC contractors are ranked here by CR Score, from ten published factors. 128 are open 24/7, 190 open Saturdays and 154 open Sundays, based on posted hours. The median Google rating is 4.8★ across 295 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Evans Heating & Cooling | 64 | 4.8★ (822) | Niagara Falls | 24/7 | Overall |
| 2 | Reliance Heating, Air Conditioning & Plumbing | 64 | 4.8★ (2,986) | St. Catharines, 14 km away | 24/7 | Emergencies |
| 3 | Mr. Furnace Heating and Air Conditioning | 64 | 4.8★ (2,672) | St. Catharines, 15 km away | 24/7 | — |
| 4 | T-Mark Plumbing, Heating & Cooling- Buffalo | 63 | 4.9★ (3,978) | Buffalo, 24 km away | 24/7 | — |
| 5 | Tropical Heating & Cooling - Niagara Falls | 63 | 4.9★ (405) | Niagara Falls, 3 km away | 24/7 | — |
| 6 | Zenner & Ritter Home Services | 63 | 4.9★ (5,592) | Buffalo, 27 km away | 24/7 | — |
| 7 | Roy's Plumbing, Heating, Cooling & Electrical | 63 | 4.8★ (3,074) | Tonawanda, 18 km away | 24/7 | — |
| 8 | Reimer Heating, Cooling & Plumbing | 63 | 4.9★ (8,360) | Cheektowaga, 32 km away | 24/7 | Most reviews |
| 9 | Just Right Heating & Cooling | 63 | 5.0★ (384) | Grand Island, 9 km away | 24/7 | — |
| 10 | Marty's Heating and Air Conditioning | 63 | 5.0★ (336) | Niagara Falls | Sat · Sun · Evenings | — |
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 trade focus: 4.8★ from 822 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Catharines, 14 km away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,986 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Catharines, 15 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,672 Google reviews, listed on Google as “HVAC contractor”.
Based in Buffalo, 24 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls, 3 km away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “HVAC contractor”.
Based in Buffalo, 27 km away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 5,592 Google reviews, listed on Google as “HVAC contractor”.
Based in Tonawanda, 18 km away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,074 Google reviews, listed on Google as “HVAC contractor”.
Based in Cheektowaga, 32 km away
Ranked #8 because of its Google rating and review volume: 4.9★ from 8,360 Google reviews, the most in Niagara Falls.
Based in Grand Island, 9 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 384 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #10 because of its Google rating and trade focus: 5.0★ from 336 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls, 6 km away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 877 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Amherst, 23 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,236 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #13 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Catharines, 19 km away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 2,788 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #15 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #16 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “HVAC contractor”.
Based in Kenmore, 20 km away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 796 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Catharines, 17 km away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 349 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #19 because of its Google rating and trade focus: 4.6★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls
Ranked #20 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based in Depew, 35 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,083 Google reviews, listed on Google as “HVAC contractor”.
Based in Welland, 19 km away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 560 Google reviews, listed on Google as “HVAC contractor”.
Based in Depew, 38 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,391 Google reviews, listed on Google as “HVAC contractor”.
Based in Buffalo, 34 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 863 Google reviews, listed on Google as “HVAC contractor”.
Based in St. Catharines, 18 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 114 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 295 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 |
|---|---|---|
| A&J Plumbing Heating | In Niagara Falls | |
| Affordable HVAC 716 inc | 4.6★ (9) | 7 km |
| AIR 1 HEATING AND COOLING | 1.0★ (1) | In Niagara Falls |
| Air Comm Mechanical | 5.0★ (1) | In Niagara Falls |
| Air In Motion | 5.0★ (1) | In Niagara Falls |
| All Star Mechanical | 1.0★ (1) | In Niagara Falls |
| Boudreau Heating Inc | In Niagara Falls | |
| Buffalo Born Contracting HVAC/R | 5.0★ (6) | In Niagara Falls |
| Building Controls Connection | 3.0★ (1) | In Niagara Falls |
| Calcon Plumbing and Heating | In Niagara Falls | |
| EAS Heating & Air Cond | 2.5★ (2) | 14 km |
| EcoStrong Comfort Solutions | In Niagara Falls | |
| Gordon Wright Limited | 4.4★ (7) | In Niagara Falls |
| Ideal Plumbing & Heating | 4.3★ (39) | 11 km |
| Medina HVAC-R and Remodeling Services | 5.0★ (1) | In Niagara Falls |
| mss mechanical | In Niagara Falls | |
| P Lehmann Plumbing & Heating | In Niagara Falls | |
| Red Seal Mechanical | 5.0★ (1) | In Niagara Falls |
| S L Heating Inc | 3.8★ (5) | In Niagara Falls |
| Warren Mechanical Plumbing and Heating | In Niagara Falls |
US national ranges converted to CAD, not adjusted for Niagara Falls. 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 295 Niagara Falls 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 Niagara Falls 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 |