1,180 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Billerica: A. Fagundes Plumbing & Heating Inc., CR Score 66/100; 4.8★ from 1,626 Google reviews; open 24/7.
Best for emergencies (open 24/7): Central Cooling & Heating, posts 24/7 hours; ranked #2 of 1,180.
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 1,180 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,180 Billerica HVAC contractors are ranked here by CR Score, from ten published factors. 358 are open 24/7, 655 open Saturdays and 493 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,180 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A. Fagundes Plumbing & Heating Inc. | 66 | 4.8★ (1,626) | Billerica | 24/7 | Overall |
| 2 | Central Cooling & Heating | 66 | 4.9★ (3,169) | Woburn, 7 mi away | 24/7 | Emergencies |
| 3 | Heritage Home Service | 65 | 4.8★ (3,352) | Wilmington, 7 mi away | 24/7 | — |
| 4 | Mike Giasullo Oil Burner Service Inc. | 65 | 5.0★ (476) | Billerica | 24/7 | — |
| 5 | MillTown Plumbing, Heating, Cooling and Electrical | 65 | 4.8★ (2,927) | Chelmsford, 6 mi away | 24/7 | — |
| 6 | 128 Plumbing, Heating, Cooling & Electric | 65 | 4.9★ (3,912) | Wakefield, 11 mi away | 24/7 | — |
| 7 | Papalia Home Services | 65 | 4.9★ (3,978) | Acton, 13 mi away | 24/7 | — |
| 8 | 128 Plumbing, Heating, Cooling & Electric | 64 | 5.0★ (443) | Chelmsford, 3 mi away | 24/7 | — |
| 9 | Sila Heating, Air Conditioning, Plumbing & Electrical | 64 | 4.9★ (4,377) | Stoneham, 10 mi away | Sat · Sun · Evenings | Most reviews |
| 10 | Addario's Plumbing, Heating, Cooling & Electrical Services | 63 | 4.6★ (2,076) | Wilmington, 6 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: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Woburn, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 3,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica
Ranked #4 because of its Google rating and trade focus: 5.0★ from 476 Google reviews, listed on Google as “Heating contractor”.
Based in Chelmsford, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
Based in Wakefield, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 3,912 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 3 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoneham, 10 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 2,076 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 2,862 Google reviews, listed on Google as “HVAC contractor”.
Based in Tewksbury, 4 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Pinehurst, 2 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 265 Google reviews, listed on Google as “HVAC contractor”.
Based in Danvers, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 4,220 Google reviews, listed on Google as “HVAC contractor”.
Based in North Andover, 12 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 562 Google reviews, listed on Google as “HVAC contractor”.
Based in Reading, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 741 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,625 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 8 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 872 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton, 11 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 North Reading, 8 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 643 Google reviews, listed on Google as “HVAC contractor”.
Based in Fitchburg, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,275 Google reviews, listed on Google as “HVAC contractor”.
Based in Tewksbury, 5 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based in Middleton, 12 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 491 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 183 Google reviews, listed on Google as “HVAC contractor”.
Based in Pinehurst, 2 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 56 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 1,180 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 C Mechanical | In Billerica | |
| B J Doyle Heating & Air Conditioning | 5.0★ (2) | In Billerica |
| Best Boston HVAC | In Billerica | |
| C.H. Mechanical Contracting | In Billerica | |
| Carlson Hvac Inc | 3.0★ (2) | In Billerica |
| Comfort Masters HVAC Service | 4.8★ (112) | 8 mi |
| Constant Temperature Systems | 3.0★ (2) | In Billerica |
| Emerson Mechanical Contractor LLC | 5.0★ (38) | In Billerica |
| Farfaras & Son Plumbing & Heating Co Inc | In Billerica | |
| Flett Mechanical Services | 5.0★ (1) | In Billerica |
| HEATING And AC UP LLC | 5.0★ (1) | In Billerica |
| Hunter & Sons AC Heating & Cooling | 4.8★ (71) | 5 mi |
| Regas Heating & Air Conditioning | 5.0★ (1) | In Billerica |
| Sears Heating and Air Conditioning | In Billerica | |
| Seneca Heating & Sheet Metal | 5.0★ (1) | In Billerica |
| ServClean Environmental | In Billerica | |
| Shine Ducts Dryer Vent & Air Duct Cleaning Billerica MA | 5.0★ (54) | In Billerica |
| SLS Ventilation Corporation | In Billerica | |
| Spolidoro and sons inc. | 4.0★ (27) | In Billerica |
| ThermaCare Heating, Air & Electric | 4.9★ (84) | 8 mi |
National price ranges in USD, not adjusted for Billerica. 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 1,180 Billerica 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 Billerica 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 |