511 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Wallingford: Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning, CR Score 65/100; 4.8★ from 601 Google reviews; open 24/7.
Best for emergencies (open 24/7): Absolute Air Services, LLC, posts 24/7 hours; ranked #2 of 511.
Most-reviewed: Call The Bee, 2,959 Google reviews at 4.8★, the most of 511 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
511 Wallingford HVAC contractors are ranked here by CR Score, from ten published factors. 112 are open 24/7, 223 open Saturdays and 161 open Sundays, based on posted hours. The median Google rating is 4.8★ across 511 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning | 65 | 4.8★ (601) | Wallingford | 24/7 | Overall |
| 2 | Absolute Air Services, LLC | 63 | 4.9★ (1,027) | Portland, 14 mi away | 24/7 | Emergencies |
| 3 | Total Mechanical Systems | 63 | 4.7★ (2,607) | Plainville, 16 mi away | 24/7 | — |
| 4 | Call The Bee | 63 | 4.8★ (2,959) | Farmington, 20 mi away | 24/7 | Most reviews |
| 5 | Ductworks HVAC Services | 62 | 4.8★ (695) | Bristol, 13 mi away | 24/7 | — |
| 6 | Air, Inc. | 62 | 4.8★ (692) | Branford, 13 mi away | 24/7 | — |
| 7 | Hyper Fusion Heating & Cooling, LLC | 61 | 5.0★ (80) | Ansonia, 5 mi away | 24/7 | — |
| 8 | Aire Serv of New Haven | 61 | 4.9★ (112) | Wallingford Center, 6 mi away | 24/7 | — |
| 9 | Diamond Mechanical | 61 | 5.0★ (77) | Torrington, 5 mi away | 24/7 | — |
| 10 | American Heating Air Conditioning Service | 61 | 4.9★ (372) | Waterbury, 14 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 in Wallingford
Based in Wallingford
Ranked #1 because of its Google rating and trade focus: 4.8★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based in Portland, 14 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,027 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainville, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 2,607 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington, 20 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 2,959 Google reviews, the most in Wallingford.
Based in Bristol, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 695 Google reviews, listed on Google as “Heating contractor”.
Based in Branford, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.
Based in Ansonia, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “HVAC contractor”.
Based in Wallingford Center, 6 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 Torrington, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “HVAC contractor”.
Based in Waterbury, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 372 Google reviews, listed on Google as “HVAC contractor”.
Based in Glastonbury, 21 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,302 Google reviews, listed on Google as “HVAC contractor”.
Based in Ansonia, 16 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 446 Google reviews, listed on Google as “HVAC contractor”.
Based in Bristol, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 389 Google reviews, listed on Google as “HVAC contractor”.
Based in Cheshire, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Guilford, 6 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Ansonia, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 347 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainville, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 21 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethel, 18 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 240 Google reviews, listed on Google as “HVAC contractor”.
Based in Cromwell, 5 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “HVAC contractor”.
Based in Glastonbury, 21 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 618 Google reviews, listed on Google as “HVAC contractor”.
Based in Waterbury, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 277 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethel, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 57 Google reviews, listed on Google as “HVAC contractor”.
Based in Naugatuck, 12 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “HVAC contractor”.
Based in Cheshire Village, 5 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 71 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 511 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 |
|---|---|---|
| Advance HVAC | 5.0★ (16) | 11 mi |
| Air Comfort Systems Inc | 5.0★ (1) | In Wallingford |
| Automated Logic Connecticut | 5.0★ (1) | In Wallingford |
| Bullseye Refrigeration & A/C | 5.0★ (2) | In Wallingford |
| Cimco Refrigeration Inc | In Wallingford | |
| Cipriano & Sons LLc | 4.8★ (17) | 10 mi |
| Emerson Electric Co | 5.0★ (1) | In Wallingford |
| Evans Heating & Cooling | 5.0★ (48) | 19 mi |
| Innovative Heating & Cooling LLC | 5.0★ (39) | 18 mi |
| North Air Systems LLC | 4.0★ (2) | 5 mi |
| NorthEast Heating & Cooling | 5.0★ (12) | 9 mi |
| Northeast Plumbing & Heating | 4.0★ (1) | In Wallingford |
| Pen Mar Boiler Cleaning | 5.0★ (1) | In Wallingford |
| Prime Time Heating, LLC | 5.0★ (15) | 11 mi |
| Pyskaty Plumbing & Heating | 5.0★ (2) | In Wallingford |
| St Louis Heating & Cooling LLC | 5.0★ (2) | In Wallingford |
| Steve's Plumbing | 5.0★ (2) | 5 mi |
| Superior Fuel | 3.6★ (25) | 5 mi |
| United Mechanical Resources, Inc.'s | 3.0★ (2) | 6 mi |
| Vertiv | In Wallingford |
National price ranges in USD, not adjusted for Wallingford. 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 511 Wallingford 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 Wallingford 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 |