1,066 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marlborough: Papalia Home Services, CR Score 65/100; 4.9★ from 3,978 Google reviews; open 24/7.
Best for emergencies (open 24/7): Precision Home Services, posts 24/7 hours; ranked #2 of 1,066.
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 1,066 ranked; ranked #36.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,066 Marlborough HVAC contractors are ranked here by CR Score, from ten published factors. 331 are open 24/7, 576 open Saturdays and 426 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,066 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Papalia Home Services | 65 | 4.9★ (3,978) | Acton, 12 mi away | 24/7 | Overall |
| 2 | Precision Home Services | 65 | 4.9★ (1,017) | Northborough, 4 mi away | 24/7 | Emergencies |
| 3 | CPS Heating & Cooling | 64 | 4.9★ (781) | Grafton, 6 mi away | 24/7 | — |
| 4 | Nicholson Plumbing, Electrical, Heating, and Air Conditioning | 64 | 4.8★ (2,950) | Holliston, 12 mi away | 24/7 | — |
| 5 | Obie Comfort Solutions | 64 | 4.8★ (1,322) | Framingham, 9 mi away | 24/7 | — |
| 6 | Heritage Home Service | 63 | 4.9★ (2,563) | Auburn, 16 mi away | 24/7 | — |
| 7 | Landry Mechanical Inc Plumbing HVAC & Electric | 63 | 4.8★ (3,030) | Millbury, 15 mi away | 24/7 | — |
| 8 | Control Point Heating • Cooling • Plumbing • Electric | 63 | 5.0★ (586) | Shrewsbury, 10 mi away | 24/7 | — |
| 9 | Landry Mechanical Inc Plumbing HVAC & Electric | 63 | 4.8★ (581) | Framingham, 8 mi away | 24/7 | — |
| 10 | Endless Energy | 62 | 4.7★ (513) | Marlborough | Sat · Sun · Evenings | — |
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 Northborough, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,017 Google reviews, listed on Google as “HVAC contractor”.
Based in Grafton, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 781 Google reviews, listed on Google as “HVAC contractor”.
Based in Holliston, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 2,950 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn, 16 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 2,563 Google reviews, listed on Google as “HVAC contractor”.
Based in Millbury, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,030 Google reviews, listed on Google as “HVAC contractor”.
Based in Shrewsbury, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 586 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 581 Google reviews, listed on Google as “HVAC contractor”.
Based in Marlborough
Ranked #10 because of its Google rating and trade focus: 4.7★ from 513 Google reviews, listed on Google as “HVAC contractor”.
Based in West Boylston, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 748 Google reviews, listed on Google as “HVAC contractor”.
Based in Marlborough
Ranked #12 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Holliston, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 2,938 Google reviews, listed on Google as “HVAC contractor”.
Based in Ashland, 4 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,862 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 17 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 1,625 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 3,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 22 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton, 15 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,833 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 533 Google reviews, listed on Google as “HVAC contractor”.
Based in Blackstone, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,586 Google reviews, listed on Google as “Heating contractor”.
Based in Auburn, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 1,413 Google reviews, listed on Google as “HVAC contractor”.
Based in Marlborough
Ranked #23 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based in Southborough, 4 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 102 Google reviews, listed on Google as “HVAC contractor”.
Based in Hudson, 3 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 86 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 1,066 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/Z Corporation | 4.3★ (6) | In Marlborough |
| A&L Plumbing, Heating, and AC Repair | 4.9★ (169) | 15 mi |
| Addario's Plumbing, Heating, Cooling & Electrical Services | 4.6★ (2,076) | 24 mi |
| C & C Temp Control, Inc. | 5.0★ (2) | 13 mi |
| ClioTech Hvac | 5.0★ (1) | In Marlborough |
| Comfort Masters Heating | 4.9★ (80) | 10 mi |
| David A. Longuemare Plumbing & Heating | 3.0★ (2) | 7 mi |
| Demelo Heating & Air Conditioning Inc | 4.3★ (61) | 3 mi |
| Efficiency Pro Plumbing, Heating, Cooling & Drain Cleaning | 4.6★ (70) | 6 mi |
| Emanuelson Plumbing & Heating | 5.0★ (2) | 8 mi |
| Fixer Connect Inc. | 5.0★ (2) | 7 mi |
| HomeWorks Energy | 1.0★ (2) | 4 mi |
| Jorge's HVAC | 5.0★ (1) | In Marlborough |
| Mark Kooyomjian Plumbing & Heating | 5.0★ (2) | 12 mi |
| Mass HVAC Comfort Solutions | 5.0★ (2) | In Marlborough |
| Mula Plumbing and Heating | 5.0★ (1) | In Marlborough |
| Park Plumbing | 5.0★ (2) | 10 mi |
| Reliable Pipes Plumbing & Heating | 3.0★ (2) | 12 mi |
| Sahlberg Plumbing & Heating | 5.0★ (2) | 6 mi |
| Superior Heating and AC | 3.0★ (2) | 11 mi |
National price ranges in USD, not adjusted for Marlborough. 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 1,066 Marlborough 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 Marlborough 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 |