65 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Paris: Aire Serv of Lewiston, CR Score 89/100; 4.7★ from 363 Google reviews; open 24/7.
Best for emergencies (open 24/7): Central Maine Heating Services LLC, posts 24/7 hours; ranked #2 of 65.
Most-reviewed: Electrical Systems Of Maine, 537 Google reviews at 4.9★, the most of 65 ranked; ranked #35.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
65 Paris HVAC contractors are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 23 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.6★ across 65 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aire Serv of Lewiston | 89 | 4.7★ (363) | Auburn, 18 mi away | 24/7 | Overall |
| 2 | Central Maine Heating Services LLC | 86 | 4.9★ (41) | Auburn, 17 mi away | 24/7 | Emergencies |
| 3 | J Bryant Heating and Cooling | 85 | 4.6★ (11) | Paris | 24/7 | — |
| 4 | Pro Stream Plumbing and Heating LLC | 84 | 4.6★ (11) | Auburn, 8 mi away | 24/7 | — |
| 5 | EcoHeat Maine | 84 | 5.0★ (228) | Paris | — | — |
| 6 | Superior Energy Solutions | 84 | 4.2★ (39) | Auburn, 13 mi away | 24/7 | — |
| 7 | Central Maine AC & Heating Inc | 83 | 4.6★ (10) | Turner, 14 mi away | 24/7 | — |
| 8 | Hollis Heating and Cooling | 82 | 5.0★ (7) | Hollis, 16 mi away | 24/7 | — |
| 9 | Knowles Mechanical, Inc. | 82 | 4.2★ (53) | Lewiston, 21 mi away | 24/7 | — |
| 10 | Russell's HVAC | 82 | 5.0★ (8) | Auburn, 18 mi away | 24/7 | — |
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: 4.7★ from 363 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 17 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 41 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #3 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 8 mi away
Ranked #4 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #5 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 13 mi away
Ranked #6 because of its Google rating and availability: 4.2★ from 39 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Turner, 14 mi away
Ranked #7 because of its Google rating and availability: 4.6★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hollis, 16 mi away
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 Lewiston, 21 mi away
Ranked #9 because of its Google rating and availability: 4.2★ from 53 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 18 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #11 because of its Google rating and availability: 3.0★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Andover, 10 mi away
Ranked #12 because of its Google rating and availability: 3.8★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Paris
Ranked #14 because of its Google rating and availability: 3.9★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lewiston, 20 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 391 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Turner, 17 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lewiston, 19 mi away
Ranked #17 because of its Google rating and availability: 4.6★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 17 mi away
Ranked #18 because of its Google rating and availability: 3.1★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 14 mi away
Ranked #20 because of its Google rating and availability: 3.5★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 17 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 20 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paris
Ranked #23 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in New Gloucester, 18 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Turner, 9 mi away
Ranked #25 because of its Google rating and trade focus: 3.6★ from 8 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability 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 65 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 |
|---|---|---|
| ACTNOW Rapid Rooter | 5.0★ (3) | In Paris |
| Al Dulac Plumbing & Heating | 4.5★ (2) | 23 mi |
| Bissonnette Plumbing & Heating | 1.0★ (1) | 18 mi |
| C & M Plumbing & Heating Inc | 5.0★ (1) | 20 mi |
| Dahms Plumbing & Heating, Inc. | 5.0★ (1) | 22 mi |
| Dan Niles Plumbing & Heating | 4.2★ (5) | 22 mi |
| EcoHeat New Hampshire | 5.0★ (1) | In Paris |
| Fermin Companies LLC | 5.0★ (2) | 16 mi |
| Gilbert Plumbing & Heating Inc | In Paris | |
| Heat pump services | In Paris | |
| Heat Pumps of Maine - Southern Maine | 5.0★ (1) | 17 mi |
| J. Palmer & Sons | 5.0★ (1) | In Paris |
| Maine Heating Solutions | 1.0★ (1) | In Paris |
| Maxims Heating | 5.0★ (2) | In Paris |
| Michaud Plumbing & Heating Inc | 4.0★ (4) | 20 mi |
| Nason Mechanical Systems - A Fidelity Company | 3.9★ (12) | 17 mi |
| Peter J Lajoie Plumbing & Heating | 5.0★ (1) | 20 mi |
| Pro-Tech Refrigeration LLC | 3.7★ (21) | 17 mi |
| Robert Dulac Plumbing & Heating | 1.0★ (1) | 21 mi |
| Schadtle Heating and Air Conditioning | 5.0★ (2) | 22 mi |
National price ranges in USD, not adjusted for Paris. 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 65 Paris 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 Paris 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 |