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Emergency HVAC Contractors in Halifax, MA (2026)

Top 50 of 632 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 Halifax: Supreme Energy, 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 Halifax at a glance

Top emergency HVAC contractors in Halifax at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Supreme Energy654.8★ (671)Braintree, 3 mi away24/7
2Blue Bear Plumbing Heating & Air654.8★ (2,030)Norwell, 11 mi away24/7
3Boston Standard Company644.7★ (2,808)Weymouth, 14 mi away24/7
43R Plumbing and Mechanical644.8★ (391)Abington, 5 mi away24/7
5RCL Mechanical644.9★ (864)Raynham, 12 mi away24/7
6Rego Electric Inc, Heating, Cooling, and Plumbing644.9★ (443)Middleborough, 8 mi away24/7
7Premier Energy Solutions Inc.635.0★ (663)Middleborough, 12 mi away24/7
8ARS / Rescue Rooter634.6★ (2,547)Stoughton, 15 mi away24/7
9Aspinwall Baystate Plumbing, Heating, Air Conditioning634.8★ (953)Weymouth, 14 mi away24/7
10GEM Plumbing and Heating634.7★ (681)Raynham, 11 mi away24/7

Call an emergency HVAC contractor in Halifax 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 Halifax, 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 632 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 Halifax

    #1 Supreme Energy

    Based in Braintree, 3 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 671 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 671 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Supreme Energy(781) 331-7900

  5. #5 RCL Mechanical

    Based in Raynham, 12 mi away

    64/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 864 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 864 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    167R S St W Unit 3, Raynham, MA 02767
    View profile for RCL Mechanical(774) 784-0260

  8. #8 ARS / Rescue Rooter

    Based in Stoughton, 15 mi away

    63/100CR Score

    Ranked #8 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

  12. #12 New England Ductless

    Based in Weymouth, 14 mi away

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 780 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 780 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    267 Libbey Pkwy Suite B, Weymouth, MA 02189
    View profile for New England Ductless(617) 644-4692

  15. #15 Bucca Fix, LLC

    Based in Hanover, 7 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 154 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    295 Winter St #24, Hanover, MA 02339
    View profile for Bucca Fix, LLC(781) 975-0713

  19. #19 Crowe Electric

    Based in Plymouth, 8 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 127 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 127 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6 Resnik Rd, Plymouth, MA 02360
    View profile for Crowe Electric(781) 745-2622

  20. #20 J. W. HVAC

    Based in Brockton, 12 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 162 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    339 Rockland St, Brockton, MA 02301
    View profile for J. W. HVAC(857) 919-8510

  22. #22 All Phases Mechanical

    Based in Middleborough, 12 mi away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 141 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    93 Benson St, Middleborough, MA 02346
    View profile for All Phases Mechanical(508) 566-6777

Top 50 of 632 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 Halifax, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Accurate LLC604.8★ (149)14 mi
27Boston Budget Plumbing Heating and Cooling604.8★ (382)20 mi
28Cox's Old Colony HVAC & Plumbing604.4★ (97)8 mi
29Harborside Heating and Cooling, LLC605.0★ (51)9 mi
30BDL Heating & Cooling604.9★ (400)23 mi
31Full Swing Plumbing, Heating & Air (formerly Pilgrim Plumbing, Heating & Air)604.9★ (760)12 mi
32Harbormen Heating & Cooling LLC595.0★ (18)4 mi
33Davis Mechanical Corp594.7★ (24)5 mi
34Dempsey Energy594.5★ (859)24 mi
35ABV Appliance594.8★ (300)23 mi
36Ecco Air Solutions595.0★ (105)19 mi
37F&J Ductless594.9★ (53)13 mi
38Provost Plumbing, Heating & Cooling, Inc.595.0★ (14)5 mi
39CMF plumbing & Heating595.0★ (19)7 mi
40T&K Mechanical594.8★ (133)19 mi
41DG Service Company594.8★ (245)23 mi
42Cool Comfort° Services Heating & Air584.4★ (39)9 mi
43Johnson Bros. Plumbing & Drain Cleaning585.0★ (23)10 mi
44JN Service HVAC & Plumbing584.8★ (148)21 mi
45Air Solutions HVAC584.9★ (142)22 mi
46Ingram Air Conditioning Pros585.0★ (33)13 mi
47True Prime Plumbing & Heating Boston585.0★ (64)18 mi
48Badgers LLC584.9★ (129)22 mi
49Definition Services585.0★ (17)9 mi
50JSP Plumbing & Heating584.9★ (117)22 mi

How we ranked emergency HVAC contractors in Halifax

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 Halifax: questions

Which HVAC contractors in Halifax are open 24/7?

25 on this list post 24/7 hours, including Supreme Energy, Blue Bear Plumbing Heating & Air, Boston Standard Company, 3R Plumbing and Mechanical and RCL Mechanical.

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

Supreme Energy is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Halifax 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 Halifax

  1. October 2026: CR Scores recalculated for 632 hvac contractors serving Halifax.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages