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Emergency HVAC Contractors in Boston, MA (2026)

Top 50 of 1,185 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.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Boston: Winters Home Services, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Boston at a glance

Top emergency HVAC contractors in Boston at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Winters Home Services664.8★ (2,862)Watertown, 6 mi away24/7
2128 Plumbing, Heating, Cooling & Electric664.9★ (3,912)Wakefield, 10 mi away24/7
3Trust 1 Services Plumbing, Heating, and Air Conditioning654.8★ (1,567)Quincy, 5 mi away24/7
4Central Cooling & Heating654.9★ (3,169)Woburn, 12 mi away24/7
5Akian Plumbing, Heating, Cooling & Electric654.8★ (1,625)Watertown, 8 mi away24/7
6Green Tech Plumbing & Heating644.8★ (451)Somerville, 3 mi away24/7
7Boston Standard Company644.7★ (2,808)Weymouth, 13 mi away24/7
8Cranney Home Services644.8★ (4,220)Danvers, 17 mi away24/7
9Presidential HVAC644.9★ (206)Boston24/7
10Atlantic Heating & Air Conditioning634.8★ (353)Brookline, 4 mi away24/7

Call an emergency HVAC contractor in Boston now

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.

The 50 emergency HVAC contractors in Boston, ranked

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 1,185 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.

  1. Ranked #1 in Boston

    #1 Winters Home Services

    Based in Watertown, 6 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,862 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,862 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    108 School St, Watertown, MA 02472
    View profile for Winters Home Services(617) 221-4247

  9. #9 Presidential HVAC

    Based in Boston

    64/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 206 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 206 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 Milk St, Boston, MA 02109
    View profile for Presidential HVAC(857) 895-1220

  11. #11 Heritage Home Service

    Based in Wilmington, 17 mi away

    63/100CR Score

    Ranked #11 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
    View profile for Heritage Home Service(978) 254-4602

  15. #15 ABV Appliance

    Based in Brookline, 5 mi away

    63/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 300 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 300 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for ABV Appliance(617) 404-9944

  16. #16 ARS / Rescue Rooter

    Based in Stoughton, 14 mi away

    63/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.6★ from 2,547 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 2,547 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    800 Technology Center Dr, Stoughton, MA 02072
    View profile for ARS / Rescue Rooter(508) 876-7327

  25. #25 Super Service Today

    Based in Danvers, 15 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 1,672 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,672 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Healy Ct, Danvers, MA 01923
    View profile for Super Service Today(781) 568-9075

Top 50 of 1,185 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Boston, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Nicholson Plumbing, Electrical, Heating, and Air Conditioning624.8★ (2,950)20 mi
27New England Ductless624.8★ (780)13 mi
28Yellow Dog Plumbing, Heating & Cooling625.0★ (259)9 mi
29J. Griffin Heating & Plumbing Inc625.0★ (643)15 mi
30Sila Heating, Air Conditioning, Plumbing & Electrical624.7★ (483)10 mi
31TBros - Trethewey Brothers Inc624.7★ (232)6 mi
32Service Right, LLC624.9★ (101)4 mi
33MillTown Plumbing, Heating, Cooling and Electrical624.8★ (2,927)23 mi
34Obie Comfort Solutions624.8★ (1,322)19 mi
35Absolute Precision Plumbing, Heating & Cooling614.9★ (491)15 mi
36Green Energy AC Heating & Plumbing Repair614.8★ (257)11 mi
37I&C MECHANICAL , INC. - Plumbing, Heating and Air Conditioning614.8★ (43)In Boston
38Hunter & Sons AC & Cooling614.7★ (54)1 mi
39Vaughan Plumbing & Heating614.9★ (773)4 mi
40A&L Plumbing, Heating, and AC Repair614.9★ (169)10 mi
41Full Spectrum HVAC Service614.9★ (106)8 mi
42Ecco Air Solutions615.0★ (105)9 mi
43T&K Mechanical614.8★ (133)8 mi
44PerfectTemp HVAC Service614.9★ (85)7 mi
45Precision Climate Heating & Air Conditioning614.8★ (90)7 mi
46Briggs AC Services615.0★ (35)3 mi
47KEN's HVAC SERVICE615.0★ (97)9 mi
48Excel Mechanical604.8★ (444)17 mi
49Unified HVAC Service604.8★ (100)8 mi
50McMahon Plumbing & Heating604.6★ (530)In Boston

How we ranked emergency HVAC contractors in Boston

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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Boston: questions

Which HVAC contractors in Boston are open 24/7?

25 on this list post 24/7 hours, including Winters Home Services, 128 Plumbing, Heating, Cooling & Electric, Trust 1 Services Plumbing, Heating, and Air Conditioning, Central Cooling & Heating and Akian Plumbing, Heating, Cooling & Electric.

Who is ranked #1 for emergency heating and cooling in Boston, MA?

Winters Home Services is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Boston ranked?

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.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Boston

  1. October 2026: CR Scores recalculated for 1,185 hvac contractors serving Boston.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages