Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 3,352 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 323 Andover St STE 2, Wilmington, MA 01887
1,023 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Andover: Heritage Home Service, CR Score 65/100; 4.8★ from 3,352 Google reviews; open 24/7.
Best for emergencies (open 24/7): Morris Plumbing, Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 1,023.
Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 1,023 ranked; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,023 Andover HVAC contractors are ranked here by CR Score, from ten published factors. 313 are open 24/7, 564 open Saturdays and 421 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,023 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 65 | 4.8★ (3,352) | Wilmington, 4 mi away | 24/7 | Overall |
| 2 | Morris Plumbing, Heating & Air Conditioning | 65 | 5.0★ (582) | Andover | 24/7 | Emergencies |
| 3 | 128 Plumbing, Heating, Cooling & Electric | 64 | 5.0★ (562) | North Andover, 2 mi away | 24/7 | — |
| 4 | Central Cooling & Heating | 64 | 4.9★ (3,169) | Woburn, 10 mi away | 24/7 | — |
| 5 | 128 Plumbing, Heating, Cooling & Electric | 64 | 4.9★ (3,912) | Wakefield, 11 mi away | 24/7 | — |
| 6 | Cranney Home Services | 64 | 4.8★ (4,220) | Danvers, 13 mi away | 24/7 | — |
| 7 | MillTown Plumbing, Heating, Cooling and Electrical | 63 | 4.8★ (2,927) | Chelmsford, 11 mi away | 24/7 | — |
| 8 | Northeast Heating & Cooling | 63 | 5.0★ (449) | Haverhill, 7 mi away | 24/7 | — |
| 9 | Mike Giasullo Oil Burner Service Inc. | 63 | 5.0★ (476) | Billerica, 8 mi away | 24/7 | — |
| 10 | Sila Heating, Air Conditioning, Plumbing & Electrical | 63 | 4.9★ (4,377) | Stoneham, 13 mi away | 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: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
Based in Andover
Ranked #2 because of its Google rating and trade focus: 5.0★ from 582 Google reviews, listed on Google as “HVAC contractor”.
Based in North Andover, 2 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 562 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 10 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, 11 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 Danvers, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 4,220 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
Based in Haverhill, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 449 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica, 8 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 476 Google reviews, listed on Google as “Heating contractor”.
Based in Stoneham, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 10 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
Based in Middleton, 8 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 491 Google reviews, listed on Google as “HVAC contractor”.
Based in Andover
Ranked #13 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 9 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 2,076 Google reviews, listed on Google as “HVAC contractor”.
Based in Tewksbury, 6 mi away
Ranked #15 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, 6 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 643 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Methuen, 5 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “HVAC contractor”.
Based in Reading, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 741 Google reviews, listed on Google as “HVAC contractor”.
Based in Acton, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn, 24 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Andover.
Based in Danvers, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 1,672 Google reviews, listed on Google as “HVAC contractor”.
Based in Peabody, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 839 Google reviews, listed on Google as “HVAC contractor”.
Based in Tewksbury, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 10 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 872 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 1,023 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 |
|---|---|---|
| Aaron Plumbing, Heating & Contracting | 3.0★ (2) | In Andover |
| Air Man Heating & Cooling - Mass | 4.8★ (20) | In Andover |
| Andover HVAC Pro | In Andover | |
| Boston North HVAC Services | 5.0★ (1) | In Andover |
| D&D SERVICES | 5.0★ (1) | In Andover |
| Denommee Plumbing, HVAC & Electric | 4.7★ (133) | 11 mi |
| Done By Professionals Heating & Cooling Services | 1.0★ (1) | In Andover |
| FM HVAC | 5.0★ (2) | In Andover |
| Green Tech Plumbing & Heating | 4.8★ (451) | 18 mi |
| Home Service Doctors Plumbing & HVAC | 4.7★ (56) | 6 mi |
| Just Great Plumbing and Heating LLC | 5.0★ (2) | In Andover |
| Lage Plumbing And Heating LLC | 5.0★ (1) | In Andover |
| Lund Plumbing & Heating, Inc | 5.0★ (1) | In Andover |
| Merrimack Valley Plumbing | 3.0★ (2) | In Andover |
| Michael J Plumbing & Heating | 5.0★ (1) | In Andover |
| Minutemen Corporation | 5.0★ (31) | In Andover |
| Simmons Plumbing & HVAC | 1.0★ (1) | In Andover |
| SPC Plumbing & Heating | 5.0★ (2) | In Andover |
| T&B Landscape and Irrigation | 4.7★ (69) | In Andover |
| Taylor & Son HVAC, Inc. | 1.0★ (1) | In Andover |
National price ranges in USD, not adjusted for Andover. 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 1,023 Andover 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 Andover 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 |