1,004 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lawrence: Heritage Home Service, CR Score 64/100; 4.8★ from 3,352 Google reviews; open 24/7.
Best for emergencies (open 24/7): 128 Plumbing, Heating, Cooling & Electric, posts 24/7 hours; ranked #2 of 1,004.
Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 1,004 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,004 Lawrence HVAC contractors are ranked here by CR Score, from ten published factors. 307 are open 24/7, 541 open Saturdays and 404 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,004 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 64 | 4.8★ (3,352) | Wilmington, 8 mi away | 24/7 | Overall |
| 2 | 128 Plumbing, Heating, Cooling & Electric | 64 | 5.0★ (562) | North Andover, 3 mi away | 24/7 | Emergencies |
| 3 | Northeast Heating & Cooling | 64 | 5.0★ (449) | Haverhill, 4 mi away | 24/7 | — |
| 4 | Central Cooling & Heating | 64 | 4.9★ (3,169) | Woburn, 13 mi away | 24/7 | — |
| 5 | 128 Plumbing, Heating, Cooling & Electric | 63 | 4.9★ (3,912) | Wakefield, 15 mi away | 24/7 | — |
| 6 | MillTown Plumbing, Heating, Cooling and Electrical | 63 | 4.8★ (2,927) | Chelmsford, 11 mi away | 24/7 | — |
| 7 | Cranney Home Services | 63 | 4.8★ (4,220) | Danvers, 15 mi away | 24/7 | — |
| 8 | ER Services Plumbing and Heating LLC | 63 | 4.8★ (313) | Methuen, 1 mi away | 24/7 | — |
| 9 | Heritage Home Service | 63 | 4.8★ (7,956) | Auburn, 20 mi away | 24/7 | Most reviews |
| 10 | Mike Giasullo Oil Burner Service Inc. | 62 | 5.0★ (476) | Billerica, 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: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
Based in North Andover, 3 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 562 Google reviews, listed on Google as “HVAC contractor”.
Based in Haverhill, 4 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 449 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 13 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, 15 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 Chelmsford, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
Based in Danvers, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 4,220 Google reviews, listed on Google as “HVAC contractor”.
Based in Methuen, 1 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn, 20 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Lawrence.
Based in Billerica, 10 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 476 Google reviews, listed on Google as “Heating contractor”.
Based in Billerica, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Chelmsford, 11 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
Based in Andover, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 582 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoneham, 16 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
Based in Haverhill, 6 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 545 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
Based in Middleton, 11 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 491 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 13 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 Tewksbury, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Air conditioning contractor”.
Based in North Reading, 10 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 Nashua, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 793 Google reviews, listed on Google as “HVAC contractor”.
Based in Tewksbury, 7 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 Reading, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 741 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 8 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 Danvers, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 1,672 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 1,004 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 |
|---|---|---|
| Buonagurio HVAC | 5.0★ (2) | 2 mi |
| Climate Design Systems, LLC | 4.3★ (89) | 3 mi |
| Daniel Doore Plumbing& Heating | 3.0★ (2) | In Lawrence |
| DeNardo Heating And Cooling INC | 4.9★ (89) | 13 mi |
| Freeman Fuel Co | 4.4★ (30) | 2 mi |
| Harley Weymouth Plumbing & Heating | 5.0★ (2) | 6 mi |
| Hunter & Sons AC Heating & Cooling | 4.8★ (71) | 10 mi |
| ICE COLD | In Lawrence | |
| J.Gomez Pro Service Plumbing & Heating | In Lawrence | |
| Key Heating & Air Conditioning | 4.8★ (692) | 22 mi |
| Major Insulation Corp | In Lawrence | |
| Merrimack Valley Plumbing | 3.0★ (2) | 5 mi |
| Mikey Pipes Plumbing & Heating LLC | 5.0★ (2) | 6 mi |
| Neuco | 3.0★ (26) | In Lawrence |
| Ontime Air & Heating Services | In Lawrence | |
| P M Drain Cleaning | 5.0★ (14) | In Lawrence |
| Stewart Electrical Contracting, Inc. | 4.6★ (11) | In Lawrence |
| Suspended Profile for Non Payment of Services - JP HVAC Services | 3.0★ (2) | 3 mi |
| Valerio Air Systems Inc | 3.0★ (2) | 2 mi |
| Valley Insulation Corp | 1.0★ (1) | In Lawrence |
National price ranges in USD, not adjusted for Lawrence. 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 1,004 Lawrence 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 Lawrence 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 |