505 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portland: Absolute Air Services, LLC, CR Score 66/100; 4.9★ from 1,027 Google reviews; open 24/7.
Best for emergencies (open 24/7): Degree Heating and Cooling, posts 24/7 hours; ranked #2 of 505.
Most-reviewed: HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical, 4,138 Google reviews at 4.5★, the most of 505 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
505 Portland HVAC contractors are ranked here by CR Score, from ten published factors. 108 are open 24/7, 211 open Saturdays and 153 open Sundays, based on posted hours. The median Google rating is 4.8★ across 505 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Absolute Air Services, LLC | 66 | 4.9★ (1,027) | Portland | 24/7 | Overall |
| 2 | Degree Heating and Cooling | 63 | 4.8★ (1,302) | Glastonbury, 10 mi away | 24/7 | Emergencies |
| 3 | Call The Bee | 63 | 4.8★ (2,959) | Farmington, 17 mi away | 24/7 | — |
| 4 | Total Mechanical Systems | 63 | 4.7★ (2,607) | Plainville, 15 mi away | 24/7 | — |
| 5 | SM Mechanical Services LLC | 62 | 4.8★ (618) | Glastonbury, 10 mi away | 24/7 | — |
| 6 | Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning | 62 | 4.8★ (601) | Wallingford, 11 mi away | 24/7 | — |
| 7 | Ductworks HVAC Services | 62 | 4.8★ (695) | Bristol, 13 mi away | 24/7 | — |
| 8 | TruComfort Heating and Cooling | 62 | 4.9★ (79) | Cheshire Village, 1 mi away | 24/7 | — |
| 9 | Clark's Heating | 61 | 4.8★ (63) | Middletown, 1 mi away | 24/7 | — |
| 10 | HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical | 61 | 4.5★ (4,138) | Windsor, 20 mi away | 24/7 | Most reviews |
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: 4.9★ from 1,027 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glastonbury, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,302 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,959 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plainville, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 2,607 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glastonbury, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 618 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wallingford, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 695 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cheshire Village, 1 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middletown, 1 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windsor, 20 mi away
Ranked #10 because of its Google rating and review volume: 4.5★ from 4,138 Google reviews, the most in Portland.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Hartford, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 412 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 389 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ansonia, 8 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Torrington, 8 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plainville, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wethersfield, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guilford, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Branford, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windsor Locks, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 4,103 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 359 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Waterbury, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 372 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Windsor, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 1,132 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cromwell, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hebron, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 172 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 505 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 |
|---|---|---|
| Aaron Environmental, Tank Removal & Maintenance Services | 5.0★ (2) | 13 mi |
| AMC Services LLC | 5.0★ (6) | 6 mi |
| Becker's HVAC & Electrical Services LLC | 4.8★ (31) | 16 mi |
| Bullseye Refrigeration & A/C | 5.0★ (2) | 12 mi |
| Comfortable Environments LLC | 5.0★ (7) | 8 mi |
| Deitch Energy LLC | 4.0★ (70) | 14 mi |
| Depco Mechanical LLC | 4.0★ (2) | 14 mi |
| E Elving Heating and Cooling LLC | 4.9★ (90) | 23 mi |
| Fitzpatrick Heating & Air Conditioning | 5.0★ (2) | 9 mi |
| J.M. Curtis Energy Solutions | 4.9★ (68) | 22 mi |
| Pyskaty Plumbing & Heating | 5.0★ (2) | 11 mi |
| Sav-Mor Cooling & Heating, Inc. | 3.0★ (2) | 14 mi |
| St Louis Heating & Cooling LLC | 5.0★ (2) | 12 mi |
| State Air Conditioning Co | 3.5★ (2) | 11 mi |
| Steve's Plumbing | 5.0★ (2) | 8 mi |
| Superior Fuel | 3.6★ (25) | 8 mi |
| T & S Heating And Air Conditioning | In Portland | |
| Thermal Works | 5.0★ (2) | 13 mi |
| Trane Commercial Sales Office | 3.0★ (2) | 5 mi |
| United Mechanical Resources, Inc.'s | 3.0★ (2) | 9 mi |
National price ranges in USD, not adjusted for Portland. 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 Connecticut, Connecticut Department of Consumer Protection licenses Heating, piping, cooling and sheet metal licenses.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
In Connecticut, 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 505 Portland 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 Portland 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 |