501 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Trumbull: Levco Oil & Propane, CR Score 65/100; 4.7★ from 590 Google reviews; open 24/7.
Best for emergencies (open 24/7): Celco Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 501.
Most-reviewed: Sippin Energy Products, 2,594 Google reviews at 4.9★, the most of 501 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
501 Trumbull HVAC contractors are ranked here by CR Score, from ten published factors. 131 are open 24/7, 245 open Saturdays and 181 open Sundays, based on posted hours. The median Google rating is 4.8★ across 501 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Levco Oil & Propane | 65 | 4.7★ (590) | Trumbull | 24/7 | Overall |
| 2 | Celco Heating & Air Conditioning | 64 | 4.7★ (861) | Bridgeport, 4 mi away | 24/7 | Emergencies |
| 3 | HL Bowman Inc Plumbing Heating & AC | 64 | 4.7★ (1,151) | Milford, 7 mi away | 24/7 | — |
| 4 | Aire Serv of Southwest Connecticut | 64 | 4.8★ (565) | Ansonia, 6 mi away | 24/7 | — |
| 5 | Edgerton, Inc. | 63 | 4.8★ (555) | Bethel, 8 mi away | 24/7 | — |
| 6 | A & S Nathan Heating & Cooling LLC | 63 | 4.8★ (446) | Ansonia, 9 mi away | 24/7 | — |
| 7 | Bertola Plumbing & Heating | 63 | 5.0★ (570) | Trumbull | 24/7 | — |
| 8 | Leak Off Plumbing & Heating | 62 | 5.0★ (86) | Bridgeport, 2 mi away | 24/7 | — |
| 9 | Aire Serv of Shelton | 62 | 4.8★ (347) | Ansonia, 9 mi away | 24/7 | — |
| 10 | Astacio Heating, Cooling, Plumbing & Electrical | 62 | 4.8★ (1,998) | Norwalk, 14 mi away | Sat · Sun · Evenings | — |
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 590 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 861 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ansonia, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 565 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethel, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ansonia, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 446 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Trumbull
Ranked #7 because of its Google rating and review volume: 5.0★ from 570 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 2 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ansonia, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 347 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwalk, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,998 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Trumbull
Ranked #11 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethel, 6 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 2,594 Google reviews, the most in Trumbull.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Danbury, 16 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethel, 14 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 240 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Darien, 11 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 5 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Branford, 19 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 Danbury, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 2,252 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Danbury, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 380 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Jefferson Station, 24 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 633 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ridgefield, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 212 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 415 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Trumbull
Ranked #24 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Trumbull
Ranked #25 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 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 501 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 |
|---|---|---|
| A1 Heating and Air Conditioning | 4.9★ (125) | 22 mi |
| Apple Oil | 3.6★ (84) | 5 mi |
| Bridgeport HVAC | 3.0★ (2) | 4 mi |
| Climate Pros Heating & Cooling Corp | 5.0★ (16) | 9 mi |
| Comfort Zone Heating & Air Conditioning | 4.0★ (2) | 12 mi |
| Comfortable Environments, LLC. | 5.0★ (2) | 10 mi |
| Desirable Heating and Cooling | 4.0★ (2) | 6 mi |
| E & J Comfort Systems LLC | 5.0★ (42) | 14 mi |
| FAIRCONN Plumbing And Heating LLC | 5.0★ (101) | 21 mi |
| Hydro Mechanical, LLC | 4.9★ (13) | 5 mi |
| Jacozzi Plumbing Heating & Cooling | 5.0★ (2) | In Trumbull |
| JF Heating and cooling | 5.0★ (2) | 10 mi |
| M P Electric | 5.0★ (2) | 4 mi |
| Master Mechanical LLC | 4.5★ (2) | 8 mi |
| North East HVAC | 5.0★ (2) | 9 mi |
| Park City | 4.2★ (37) | 5 mi |
| Pdq Plumbing & Heating | 5.0★ (2) | 5 mi |
| Procaccini Plumbing Heating | 5.0★ (2) | 6 mi |
| Renz Heating & Air Conditioning LLC | 5.0★ (2) | 6 mi |
| West Shore Heating & Cooling | 5.0★ (2) | 12 mi |
National price ranges in USD, not adjusted for Trumbull. 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 501 Trumbull 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 Trumbull 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 |