Top 50 of 1,181 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Chelsea: 128 Plumbing, Heating, Cooling & Electric, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | 128 Plumbing, Heating, Cooling & Electric | 66 | 4.9★ (3,912) | Wakefield, 8 mi away | 24/7 |
| 2 | Winters Home Services | 66 | 4.8★ (2,862) | Watertown, 7 mi away | 24/7 |
| 3 | Central Cooling & Heating | 65 | 4.9★ (3,169) | Woburn, 10 mi away | 24/7 |
| 4 | Trust 1 Services Plumbing, Heating, and Air Conditioning | 65 | 4.8★ (1,567) | Quincy, 8 mi away | 24/7 |
| 5 | Cranney Home Services | 64 | 4.8★ (4,220) | Danvers, 14 mi away | 24/7 |
| 6 | Akian Plumbing, Heating, Cooling & Electric | 64 | 4.8★ (1,625) | Watertown, 9 mi away | 24/7 |
| 7 | Green Tech Plumbing & Heating | 64 | 4.8★ (451) | Somerville, 3 mi away | 24/7 |
| 8 | Heritage Home Service | 64 | 4.8★ (3,352) | Wilmington, 15 mi away | 24/7 |
| 9 | Addario's Plumbing, Heating, Cooling & Electrical Services | 63 | 4.6★ (2,076) | Wilmington, 11 mi away | 24/7 |
| 10 | Boston Standard Company | 63 | 4.7★ (2,808) | Weymouth, 15 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1128 Plumbing, Heating, Cooling & Electric
Open 24/7 · 4.9 from 3,912 Google reviews
Open 24/7 · 4.8 from 2,862 Google reviews
Open 24/7 · 4.9 from 3,169 Google reviews
#4Trust 1 Services Plumbing, Heating, and Air Conditioning
Open 24/7 · 4.8 from 1,567 Google reviews
Open 24/7 · 4.8 from 4,220 Google reviews
#6Akian Plumbing, Heating, Cooling & Electric
Open 24/7 · 4.8 from 1,625 Google reviews
#7Green Tech Plumbing & Heating
Open 24/7 · 4.8 from 451 Google reviews
Open 24/7 · 4.8 from 3,352 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 1,181 is on the HVAC contractors page.
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 3,912 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,862 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Quincy, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,567 Google reviews, listed on Google as “HVAC contractor”.
Based in Danvers, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 4,220 Google reviews, listed on Google as “HVAC contractor”.
Based in Watertown, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,625 Google reviews, listed on Google as “HVAC contractor”.
Based in Somerville, 3 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 451 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 15 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 Wilmington, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 2,076 Google reviews, listed on Google as “HVAC contractor”.
Based in Weymouth, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 2,808 Google reviews, listed on Google as “HVAC contractor”.
Based in Peabody, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 839 Google reviews, listed on Google as “HVAC contractor”.
Based in Boston, 3 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 206 Google reviews, listed on Google as “HVAC contractor”.
Based in Danvers, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 1,672 Google reviews, listed on Google as “HVAC contractor”.
Based in Reading, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 741 Google reviews, listed on Google as “HVAC contractor”.
Based in Woburn, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 872 Google reviews, listed on Google as “HVAC contractor”.
Based in Brookline, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 353 Google reviews, listed on Google as “HVAC contractor”.
Based in North Reading, 13 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 643 Google reviews, listed on Google as “HVAC contractor”.
Based in Abington, 8 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 483 Google reviews, listed on Google as “HVAC contractor”.
Based in Braintree, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 1,026 Google reviews, listed on Google as “Furnace repair service”.
Based in Brookline, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 300 Google reviews, listed on Google as “HVAC contractor”.
Based in Stoughton, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 2,547 Google reviews, listed on Google as “HVAC contractor”.
Based in Norwell, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 2,030 Google reviews, listed on Google as “HVAC contractor”.
Based in Cambridge, 4 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 331 Google reviews, listed on Google as “HVAC contractor”.
Based in Weymouth, 15 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 953 Google reviews, listed on Google as “HVAC contractor”.
Based in Newton, 11 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 389 Google reviews, listed on Google as “Heating contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |