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Emergency HVAC Contractors in Webster, MA (2026)

Top 50 of 450 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 Webster: Heritage Home Service, 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 Webster at a glance

Top emergency HVAC contractors in Webster at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heritage Home Service644.9★ (2,563)Auburn, 12 mi away24/7
2Landry Mechanical Inc Plumbing HVAC & Electric644.8★ (3,030)Millbury, 12 mi away24/7
3Landry Mechanical Inc Plumbing HVAC & Electric634.9★ (424)Charlton, 7 mi away24/7
4Gervais Mechanical Services LLC634.7★ (1,413)Auburn, 12 mi away24/7
5GEM Plumbing and Heating624.6★ (6,353)Lincoln, 23 mi away24/7
6AAIR Systems Technologies614.8★ (124)Oxford, 5 mi away24/7
7Control Point Heating • Cooling • Plumbing • Electric615.0★ (586)Shrewsbury, 17 mi away24/7
8Notturno Home Services614.9★ (1,586)Blackstone, 21 mi away24/7
9Advanced Energy Concepts604.7★ (330)Auburn, 12 mi away24/7
10CPS Heating & Cooling604.9★ (781)Grafton, 21 mi away24/7

Call an emergency HVAC contractor in Webster 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 Webster, 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 450 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 Webster

    #1 Heritage Home Service

    Based in Auburn, 12 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,563 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,563 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    109 Washington St, Auburn, MA 01501
    View profile for Heritage Home Service(508) 500-3199

  11. #11 Kejdi HVAC

    Based in Webster

    60/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    33 May St, Webster, MA 01570
    View profile for Kejdi HVAC(774) 296-2922

  17. #17 Tetra

    Based in Brookline, 10 mi away

    60/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 183 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 183 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Tetra(413) 930-4281

  23. #23 Accurate Baker Elman

    Based in Franklin, 24 mi away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    120 Grove St, Franklin, MA 02038
    View profile for Accurate Baker Elman(508) 301-3470

  25. #25 HVAC Experts

    Based in Charlton, 10 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 58 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for HVAC Experts(774) 364-4633

Top 50 of 450 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 Webster, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26R. Harris Plumbing & Heating Inc594.6★ (130)13 mi
27Premier Heating and Cooling594.8★ (119)15 mi
28Boston Boiler & Furnace584.6★ (54)10 mi
29T&C HVAC585.0★ (32)11 mi
30Stewart Plumbing And Heating585.0★ (25)10 mi
31ArcticBreeze Charlton HVAC Repair585.0★ (19)9 mi
32Full Spectrum Services584.8★ (81)16 mi
33Kincaid AC Repair585.0★ (46)15 mi
34PerfectTemp Heating, Air & Electric584.8★ (79)16 mi
35Haringa Services LLC.585.0★ (33)13 mi
36ThermaCare Heating, Air & Electric574.9★ (107)20 mi
37Air Duct Cleaning of New England575.0★ (104)21 mi
38PerfectTemp Heating, Air & Electric574.9★ (103)21 mi
39New England Temperature Control575.0★ (17)11 mi
40Reliable HVAC & Plumbing574.8★ (76)19 mi
41Valor Heating & Cooling575.0★ (25)13 mi
42Air Man Heating & Cooling - Mass574.8★ (20)11 mi
43CozyAir Auburn HVAC Repair575.0★ (17)11 mi
44D'Alleva Mechanical Services, LLC575.0★ (14)10 mi
45Arctic Elements575.0★ (15)11 mi
46Full Spectrum Services574.8★ (112)22 mi
47Kero HVAC574.9★ (19)12 mi
48NV Heating and Air Conditioning574.2★ (22)10 mi
49PureComfort Heating & Air Conditioning574.8★ (88)21 mi
504 SEASONS HVAC LLC575.0★ (13)11 mi

How we ranked emergency HVAC contractors in Webster

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 Webster: questions

Which HVAC contractors in Webster are open 24/7?

25 on this list post 24/7 hours, including Heritage Home Service, Landry Mechanical Inc Plumbing HVAC & Electric, Landry Mechanical Inc Plumbing HVAC & Electric, Gervais Mechanical Services LLC and GEM Plumbing and Heating.

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

Heritage Home Service is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Webster 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 Webster

  1. October 2026: CR Scores recalculated for 450 hvac contractors serving Webster.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages