1,277 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Wellesley: Nicholson Plumbing, Electrical, Heating, and Air Conditioning, CR Score 93/100; 4.8★ from 2,950 Google reviews; open 24/7.
Best for emergencies (open 24/7): Winters Home Services, posts 24/7 hours; ranked #2 of 1,277.
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 1,277 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,277 Wellesley HVAC contractors are ranked here by CR Score, from 8 published factors. 404 are open 24/7, 722 open Saturdays and 537 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,277 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nicholson Plumbing, Electrical, Heating, and Air Conditioning | 93 | 4.8★ (2,950) | Holliston, 8 mi away | 24/7 | Overall |
| 2 | Winters Home Services | 93 | 4.8★ (2,862) | Watertown, 8 mi away | 24/7 | Emergencies |
| 3 | Akian Plumbing, Heating, Cooling & Electric | 92 | 4.8★ (1,625) | Watertown, 6 mi away | 24/7 | — |
| 4 | Obie Comfort Solutions | 92 | 4.8★ (1,322) | Framingham, 6 mi away | 24/7 | — |
| 5 | Yellow Dog Plumbing, Heating & Cooling | 92 | 5.0★ (259) | Needham, 3 mi away | 24/7 | — |
| 6 | 128 Plumbing, Heating, Cooling & Electric | 92 | 4.9★ (3,912) | Wakefield, 18 mi away | 24/7 | — |
| 7 | Central Cooling & Heating | 91 | 4.9★ (3,169) | Woburn, 17 mi away | 24/7 | — |
| 8 | Papalia Home Services | 91 | 4.9★ (3,978) | Acton, 18 mi away | 24/7 | — |
| 9 | S.D.H. Plumbing & Heating | 91 | 4.9★ (389) | Newton, 5 mi away | 24/7 | — |
| 10 | Blue Bear Plumbing, Heating & Air | 91 | 4.9★ (234) | Natick, 3 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Wellesley
Based in Holliston, 8 mi away
Ranked #1 because of its Google rating and availability: 4.8★ from 2,950 Google reviews, open 24/7.
Based in Watertown, 8 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 2,862 Google reviews, open 24/7.
Based in Watertown, 6 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 1,625 Google reviews, open 24/7.
Based in Framingham, 6 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 1,322 Google reviews, open 24/7.
Based in Needham, 3 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 259 Google reviews, open 24/7.
Based in Wakefield, 18 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 3,912 Google reviews, open 24/7.
Based in Woburn, 17 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 3,169 Google reviews, open 24/7.
Based in Acton, 18 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 3,978 Google reviews, open 24/7.
Based in Newton, 5 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 389 Google reviews, open 24/7.
Based in Natick, 3 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 234 Google reviews, open 24/7.
Based in Needham, 3 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 169 Google reviews, open 24/7.
Based in Framingham, 7 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 581 Google reviews, open 24/7.
Based in Quincy, 13 mi away
Ranked #13 because of its Google rating and availability: 4.8★ from 1,567 Google reviews, open 24/7.
Based in Needham, 3 mi away
Ranked #14 because of its Google rating and availability: 4.8★ from 257 Google reviews, open 24/7.
Based in Franklin, 17 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 990 Google reviews, open 24/7.
Based in Blackstone, 20 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 1,586 Google reviews, open 24/7.
Based in Northborough, 17 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 1,017 Google reviews, open 24/7.
Based in Grafton, 16 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 781 Google reviews, open 24/7.
Based in Brookline, 9 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 353 Google reviews, open 24/7.
Based in Wilmington, 22 mi away
Ranked #20 because of its Google rating and availability: 4.8★ from 3,352 Google reviews, open 24/7.
Based in Braintree, 15 mi away
Ranked #21 because of its Google rating and availability: 4.8★ from 1,026 Google reviews, open 24/7.
Based in Canton, 4 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 90 Google reviews, open 24/7.
Based in Stoneham, 16 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 4,377 Google reviews, the most Google reviews on this list (4,377).
Based in Milford, 16 mi away
Ranked #24 because of its Google rating and availability: 4.9★ from 533 Google reviews, open 24/7.
Based in Needham, 3 mi away
Ranked #25 because of its Google rating and availability: 4.8★ from 110 Google reviews, open 24/7.
#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 1,277 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 |
|---|---|---|
| A&D Sheet Metal, Inc. | 5.0★ (2) | 9 mi |
| Affinity Exterior Corp | 5.0★ (2) | 8 mi |
| B & X & T HVAC | 3.0★ (2) | 8 mi |
| Cooling Unlimited, Inc. | 4.8★ (741) | 18 mi |
| Delta HVAC Services Inc | 3.0★ (2) | 10 mi |
| Flaherty Plumbing & HVAC | 4.6★ (235) | 7 mi |
| Harmony Heating & Air Conditioning | 4.8★ (107) | 7 mi |
| J. Griffin Heating & Plumbing Inc | 5.0★ (643) | 21 mi |
| Joseph Kosh Plumbing & Heating | 5.0★ (2) | 9 mi |
| Kushner Plumbing & Heating | 5.0★ (2) | 9 mi |
| Leonhardt Co Inc | 5.0★ (1) | In Wellesley |
| N & T HVAC | 5.0★ (2) | 6 mi |
| Natick Heating | In Wellesley | |
| Obie Comfort Solutions | 5.0★ (2) | In Wellesley |
| Panza Plumbing & Heating | 3.0★ (2) | 5 mi |
| Park Plumbing | 5.0★ (2) | 4 mi |
| Performance Inc. | 5.0★ (2) | 4 mi |
| Reliable Pipes Plumbing & Heating | 3.0★ (2) | 10 mi |
| Spectrum Heating And Cooling, Inc. | 5.0★ (2) | 3 mi |
| Westwood Plumbing & Heating | 5.0★ (2) | 10 mi |
National price ranges in USD, not adjusted for Wellesley. 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 Massachusetts, 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 1,277 Wellesley 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 Wellesley 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 |