1,198 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westwood: Nicholson Plumbing, Electrical, Heating, and Air Conditioning, CR Score 64/100; 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 1,198.
Most-reviewed: GEM Plumbing and Heating, 6,353 Google reviews at 4.6★, the most of 1,198 ranked; ranked #39.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,198 Westwood HVAC contractors are ranked here by CR Score, from ten published factors. 372 are open 24/7, 679 open Saturdays and 506 open Sundays, based on posted hours. The median Google rating is 4.8★ across 1,198 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nicholson Plumbing, Electrical, Heating, and Air Conditioning | 64 | 4.8★ (2,950) | Holliston, 9 mi away | 24/7 | Overall |
| 2 | Winters Home Services | 64 | 4.8★ (2,862) | Watertown, 11 mi away | 24/7 | Emergencies |
| 3 | Akian Plumbing, Heating, Cooling & Electric | 63 | 4.8★ (1,625) | Watertown, 11 mi away | 24/7 | — |
| 4 | Trust 1 Services Plumbing, Heating, and Air Conditioning | 63 | 4.8★ (1,567) | Quincy, 11 mi away | 24/7 | — |
| 5 | ARS / Rescue Rooter | 63 | 4.6★ (2,547) | Stoughton, 9 mi away | 24/7 | — |
| 6 | Obie Comfort Solutions | 63 | 4.8★ (1,322) | Framingham, 10 mi away | 24/7 | — |
| 7 | HL Bowman Inc Plumbing Heating & AC | 62 | 4.8★ (1,026) | Braintree, 10 mi away | 24/7 | — |
| 8 | Yellow Dog Plumbing, Heating & Cooling | 62 | 5.0★ (259) | Needham, 6 mi away | 24/7 | — |
| 9 | 128 Plumbing, Heating, Cooling & Electric | 62 | 4.9★ (3,912) | Wakefield, 21 mi away | 24/7 | — |
| 10 | Boston Standard Company | 62 | 4.7★ (2,808) | Weymouth, 15 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 Westwood
Based in Holliston, 9 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,950 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,862 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,625 Google reviews, listed on Google as “HVAC contractor”.
Based in Quincy, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,567 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoughton, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 2,547 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Braintree, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,026 Google reviews, listed on Google as “Furnace repair service”.
Based in Needham, 6 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 259 Google reviews, listed on Google as “HVAC contractor”.
Based in Wakefield, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 3,912 Google reviews, listed on Google as “HVAC contractor”.
Based in Weymouth, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 2,808 Google reviews, listed on Google as “HVAC contractor”.
Based in Franklin, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 990 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 3,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Needham, 4 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 257 Google reviews, listed on Google as “HVAC contractor”.
Based in Blackstone, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,586 Google reviews, listed on Google as “Heating contractor”.
Based in Holliston, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,938 Google reviews, listed on Google as “HVAC contractor”.
Based in Newton, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 389 Google reviews, listed on Google as “Heating contractor”.
Based in Westwood
Ranked #17 because of its Google rating and trade focus: 4.8★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based in Dedham, 5 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 4,144 Google reviews, listed on Google as “HVAC contractor”.
Based in Norwell, 18 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 2,030 Google reviews, listed on Google as “HVAC contractor”.
Based in Natick, 8 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 234 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 581 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoneham, 19 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
Based in Franklin, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Weymouth, 15 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 953 Google reviews, listed on Google as “HVAC contractor”.
Based in Brookline, 10 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 353 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 1,198 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 |
|---|---|---|
| Addario's Plumbing, Heating, Cooling & Electrical Services | 4.6★ (2,076) | 22 mi |
| Air Temperature Systems Inc | 5.0★ (2) | 4 mi |
| Alex Plumbing & Heating Co | 5.0★ (1) | In Westwood |
| C.W. Heating and Cooling | 5.0★ (2) | 9 mi |
| Complete Heating & Cooling Tom Fricker | 4.8★ (529) | 11 mi |
| Darcy Plumbing & Heating | 5.0★ (2) | 8 mi |
| Delta HVAC Services Inc | 3.0★ (2) | 3 mi |
| Joseph Kosh Plumbing & Heating | 5.0★ (2) | 7 mi |
| Kushner Plumbing & Heating | 5.0★ (2) | 5 mi |
| Michael Grella Plumbing & Heating | 4.6★ (62) | 3 mi |
| MILLER PLUMBING, HEATING & COOLING, LLC | 5.0★ (2) | 10 mi |
| N & T HVAC | 5.0★ (2) | 10 mi |
| Obie Comfort Solutions | 5.0★ (2) | 7 mi |
| Panza Plumbing & Heating | 3.0★ (2) | 10 mi |
| Performance Inc. | 5.0★ (2) | 6 mi |
| Seasonal Air | 5.0★ (2) | 7 mi |
| Spectrum Heating And Cooling, Inc. | 5.0★ (2) | 4 mi |
| T Y B HVAC Solutions | 1.0★ (2) | 9 mi |
| Unified HVAC Service | 4.8★ (100) | 7 mi |
| Westwood Plumbing & Heating | 5.0★ (2) | 7 mi |
National price ranges in USD, not adjusted for Westwood. 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 1,198 Westwood 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 Westwood 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 |