192 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Old Saybrook: Absolute Air Services, LLC, CR Score 62/100; 4.9★ from 1,027 Google reviews; open 24/7.
Best for emergencies (open 24/7): Air, Inc., posts 24/7 hours; ranked #3 of 192.
Most-reviewed: Air, Inc., 692 Google reviews at 4.8★, the most of 192 ranked after Absolute Air Services, LLC; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
192 Old Saybrook HVAC contractors are ranked here by CR Score, from ten published factors. 46 are open 24/7, 82 open Saturdays and 59 open Sundays, based on posted hours. The median Google rating is 4.7★ across 192 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Absolute Air Services, LLC | 62 | 4.9★ (1,027) | Portland, 23 mi away | 24/7 | Overall |
| 2 | Wilcox Energy | 61 | 5.0★ (467) | Guilford, 4 mi away | — | — |
| 3 | Air, Inc. | 61 | 4.8★ (692) | Branford, 24 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Connecticut HVAC Services llc | 60 | 4.6★ (107) | Guilford, 9 mi away | 24/7 | — |
| 5 | D/E/F Services Group, LTD | 60 | 4.4★ (33) | Old Saybrook | 24/7 | — |
| 6 | DTS Oil & Gas Service & Solutions LLC | 59 | 5.0★ (150) | Hebron, 24 mi away | 24/7 | — |
| 7 | Kneeland heating & Cooling LLC | 59 | 4.6★ (169) | Groton, 19 mi away | 24/7 | — |
| 8 | Aire Serv of New Haven | 58 | 4.9★ (112) | Wallingford Center, 23 mi away | 24/7 | — |
| 9 | HVAC 4 Service | 58 | 4.9★ (97) | Springs, 24 mi away | 24/7 | — |
| 10 | Direct Home Services | 58 | 4.7★ (268) | Guilford, 22 mi away | 24/7 | — |
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 review volume: 4.9★ from 1,027 Google reviews, the most in Old Saybrook.
Based in Guilford, 4 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 467 Google reviews, listed on Google as “HVAC contractor”.
Based in Branford, 24 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.
Based in Guilford, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 107 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Old Saybrook
Ranked #5 because of its Google rating and trade focus: 4.4★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based in Hebron, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “HVAC contractor”.
Based in Groton, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 169 Google reviews, listed on Google as “Heating contractor”.
Based in Wallingford Center, 23 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Springs, 24 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “HVAC contractor”.
Based in Guilford, 22 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Cheshire Village, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based in Ansonia, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “HVAC contractor”.
Based in Torrington, 25 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “HVAC contractor”.
Based in Guilford, 4 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “HVAC contractor”.
Based in New London, 15 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 422 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Old Saybrook
Ranked #16 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “Heating contractor”.
Based in Middletown, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Heating contractor”.
Based in Old Saybrook
Ranked #18 because of its Google rating and trade focus: 4.6★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Southold, 16 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “HVAC contractor”.
Based in New London, 7 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based in Norwich, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based in Cromwell, 25 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “HVAC contractor”.
Based in Ledyard, 19 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based in Branford, 23 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based in Waterford, 14 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 35 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 192 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 |
|---|---|---|
| Absolute Air Services, LLC | In Old Saybrook | |
| Action Air Inc. | 3.8★ (16) | 22 mi |
| Air Guarden | 5.0★ (59) | 24 mi |
| American Air Mechanical LLC | 3.9★ (17) | 22 mi |
| American Safe Wash | 4.9★ (124) | In Old Saybrook |
| Brayman Heating & Cooling, Inc | 3.0★ (2) | 22 mi |
| Comfortable Environments LLC | 5.0★ (7) | 25 mi |
| Connecticut Controls Corp. | In Old Saybrook | |
| Cool Breeze Heating & Cooling | In Old Saybrook | |
| D J Mc Carthy Plumbing & Heating | 5.0★ (2) | 12 mi |
| Dougherty Oil Co., Inc. | 3.0★ (7) | 20 mi |
| Douglas Mechanical Services, Inc | In Old Saybrook | |
| Excelsior P & H, Inc. and East End Gas Services, Inc. | 3.4★ (17) | 19 mi |
| Fitzpatrick Heating & Air Conditioning | 5.0★ (2) | 15 mi |
| Five Star Heating & Air Conditioning | 2.5★ (4) | 22 mi |
| Hank's Plumbing & Heating Services | 5.0★ (2) | In Old Saybrook |
| J C Kleinkauf Heating & Plumbing Inc | 3.0★ (2) | 18 mi |
| Marlborough Heating & AC | 4.2★ (5) | 22 mi |
| Shoreline Boiler and Welding, LLC. | In Old Saybrook | |
| Superior Fuel | 3.6★ (25) | 25 mi |
National price ranges in USD, not adjusted for Old Saybrook. 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 192 Old Saybrook 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 Old Saybrook 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 |