1,149 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Acton: Papalia Home Services, CR Score 68/100; 4.9★ from 3,978 Google reviews; open 24/7.
Best for emergencies (open 24/7): MillTown Plumbing, Heating, Cooling and Electrical, posts 24/7 hours; ranked #3 of 1,149.
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 1,149 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,149 Acton HVAC contractors are ranked here by CR Score, from ten published factors. 347 are open 24/7, 634 open Saturdays and 468 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,149 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Papalia Home Services | 68 | 4.9★ (3,978) | Acton | 24/7 | Overall |
| 2 | Nashoba Air & BoilerWorks | 65 | 4.9★ (1,833) | Acton | Sat · Sun · Evenings | — |
| 3 | MillTown Plumbing, Heating, Cooling and Electrical | 64 | 4.8★ (2,927) | Chelmsford, 10 mi away | 24/7 | Emergencies |
| 4 | Central Cooling & Heating | 64 | 4.9★ (3,169) | Woburn, 15 mi away | 24/7 | — |
| 5 | 128 Plumbing, Heating, Cooling & Electric | 63 | 4.9★ (3,912) | Wakefield, 18 mi away | 24/7 | — |
| 6 | Christie Cooling and Heating | 63 | 4.8★ (223) | Acton | 24/7 | — |
| 7 | A. Fagundes Plumbing & Heating Inc. | 63 | 4.8★ (1,626) | Billerica, 13 mi away | 24/7 | — |
| 8 | Heritage Home Service | 63 | 4.8★ (3,352) | Wilmington, 17 mi away | 24/7 | — |
| 9 | Winters Home Services | 63 | 4.8★ (2,862) | Watertown, 16 mi away | 24/7 | — |
| 10 | 128 Plumbing, Heating, Cooling & Electric | 63 | 5.0★ (443) | Chelmsford, 10 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 trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,833 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 3,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Wakefield, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 3,912 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton
Ranked #6 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Wilmington, 17 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 2,862 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 10 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,625 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica, 11 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 476 Google reviews, listed on Google as “Heating contractor”.
Based in Fitchburg, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,275 Google reviews, listed on Google as “HVAC contractor”.
Based in Northborough, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,017 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoneham, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
Based in Holliston, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 2,950 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 2,076 Google reviews, listed on Google as “HVAC contractor”.
Based in Andover, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “HVAC contractor”.
Based in Maynard, 4 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,441 Google reviews, listed on Google as “HVAC contractor”.
Based in Grafton, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 781 Google reviews, listed on Google as “HVAC contractor”.
Based in Newton, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 389 Google reviews, listed on Google as “Heating contractor”.
Based in Concord, 4 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 15 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 581 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 1,149 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) | 7 mi |
| A&L Plumbing, Heating, and AC Repair | 4.6★ (174) | 9 mi |
| Acton Plumbing Heating & Cooling | In Acton | |
| Carlson Hvac Inc | 3.0★ (2) | 8 mi |
| Colonial Comfort > | In Acton | |
| Emanuelson Plumbing & Heating | 5.0★ (2) | 4 mi |
| Enhanced Mechanical Contracting LLC | In Acton | |
| Flannery Plumbing and Heating Inc. | 1.0★ (1) | In Acton |
| Green Tech Plumbing & Heating | 4.8★ (451) | 19 mi |
| HARVARD PLUMBING & HEATING | 5.0★ (2) | 8 mi |
| HomeWorks Energy | 1.0★ (2) | 7 mi |
| Kilpatrick HVAC | 5.0★ (2) | 7 mi |
| Lyons Home Energy Solutions | In Acton | |
| Mahoney Plumbing & Heating | 5.0★ (2) | 8 mi |
| Mc Gregor Heating & Air Conditioning | 3.0★ (2) | 8 mi |
| Peak Sales Solutions Llc | In Acton | |
| Rapid Recovery - Boston | In Acton | |
| RFD Remodeling Inc | 5.0★ (1) | In Acton |
| Sahlberg Plumbing & Heating | 5.0★ (2) | 5 mi |
| V Morais Construction, Inc. | In Acton |
National price ranges in USD, not adjusted for Acton. 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 1,149 Acton 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 Acton 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 |