134 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lewiston: Aire Serv of Lewiston, CR Score 64/100; 4.7★ from 363 Google reviews; open 24/7.
Best for emergencies (open 24/7): Aire Serv of Southern Maine, posts 24/7 hours; ranked #2 of 134.
Most-reviewed: Dog House Heating Air, and Plumbing, LLC, 1,388 Google reviews at 4.8★, the most of 134 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
134 Lewiston HVAC contractors are ranked here by CR Score, from ten published factors. 26 are open 24/7, 40 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.8★ across 134 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aire Serv of Lewiston | 64 | 4.7★ (363) | Auburn, 1 mi away | 24/7 | Overall |
| 2 | Aire Serv of Southern Maine | 62 | 4.9★ (755) | Buxton, 21 mi away | 24/7 | Emergencies |
| 3 | Heat Pumps of Maine | 62 | 5.0★ (391) | Lewiston | — | — |
| 4 | Knowles Mechanical, Inc. | 60 | 4.2★ (53) | Lewiston | 24/7 | — |
| 5 | Beaulieu Energy Services | 59 | 4.9★ (82) | Topsham, 15 mi away | 24/7 | — |
| 6 | 207 Plumbing and Heating | 59 | 4.7★ (429) | Gorham, 24 mi away | 24/7 | — |
| 7 | Laird's HVAC LLC | 59 | 5.0★ (132) | Auburn, 1 mi away | — | — |
| 8 | Russell's HVAC | 59 | 5.0★ (8) | Auburn, 1 mi away | 24/7 | — |
| 9 | Support Hvac services | 58 | 4.6★ (8) | Lewiston | 24/7 | — |
| 10 | Central Maine Heating Services LLC | 58 | 4.9★ (41) | Auburn, 14 mi away | 24/7 | — |
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 363 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 755 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewiston
Ranked #3 because of its Google rating and trade focus: 5.0★ from 391 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewiston
Ranked #4 because of its Google rating and trade focus: 4.2★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Topsham, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 429 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 1 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 1 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewiston
Ranked #9 because of its Google rating and trade focus: 4.6★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brunswick, 19 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 1,388 Google reviews, the most in Lewiston.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 10 mi away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 39 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 3 mi away
Ranked #14 because of its Google rating and trade focus: 3.1★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 1 mi away
Ranked #16 because of its Google rating and trade focus: 4.5★ from 109 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Turner, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Paris, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 18 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yarmouth, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 406 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewiston
Ranked #21 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Auburn, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 6 mi away
Ranked #23 because of its Google rating and trade focus: 3.5★ from 4 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 3 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 69 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 23 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 546 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 134 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi 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 & R Plumbing & Heating Services | 5.0★ (9) | 18 mi |
| Adlers Plumbing & Heating | 3.0★ (4) | 2 mi |
| Al's HVAC Sales & Services | In Lewiston | |
| Bissonnette Plumbing & Heating | 1.0★ (1) | In Lewiston |
| C & M Plumbing & Heating Inc | 5.0★ (1) | In Lewiston |
| Donnelly's HVAC | 4.3★ (6) | 21 mi |
| E A Smith Plumbing & Heating | 5.0★ (6) | 22 mi |
| Earle's Heating Oil | 3.8★ (13) | 9 mi |
| Fermin Companies LLC | 5.0★ (2) | 15 mi |
| Hughes Heating Services | 4.6★ (16) | 18 mi |
| Leon Pride Sheet Metal | 5.0★ (2) | 23 mi |
| Lou Clavet Plumbing & Heating | In Lewiston | |
| Maine Line Plumbing and Heating LLC | 3.9★ (35) | 21 mi |
| Manchester Heating | 5.0★ (2) | 23 mi |
| Martin Heating | 5.0★ (5) | 11 mi |
| Peter J Lajoie Plumbing & Heating | 5.0★ (1) | In Lewiston |
| Precision HVAC | 5.0★ (2) | 23 mi |
| Pro Solutions HVAC Inc. | 3.0★ (23) | 17 mi |
| RDL Mechanical Contractor | 4.0★ (6) | 5 mi |
| Robert Dulac Plumbing & Heating | 1.0★ (1) | In Lewiston |
National price ranges in USD, not adjusted for Lewiston. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Maine, 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 134 Lewiston 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 Lewiston 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 |