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Emergency HVAC Contractors in Woodbridge, CT (2026)

Top 50 of 522 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 Woodbridge: A & S Nathan Heating & Cooling LLC, 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 Woodbridge at a glance

Top emergency HVAC contractors in Woodbridge at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1A & S Nathan Heating & Cooling LLC644.8★ (446)Ansonia, 4 mi away24/7
2Aire Serv of Shelton644.8★ (347)Ansonia, 4 mi away24/7
3HL Bowman Inc Plumbing Heating & AC644.7★ (1,151)Milford, 10 mi away24/7
4Air, Inc.634.8★ (692)Branford, 11 mi away24/7
5Levco Oil & Propane634.7★ (590)Trumbull, 11 mi away24/7
6Celco Heating & Air Conditioning634.7★ (861)Bridgeport, 14 mi away24/7
7Edgerton, Inc.624.8★ (555)Bethel, 13 mi away24/7
8Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning624.8★ (601)Wallingford, 14 mi away24/7
9Ward Heating and Cooling LLC625.0★ (240)Bethel, 11 mi away24/7
10American Heating Air Conditioning Service624.9★ (372)Waterbury, 14 mi away24/7

Call an emergency HVAC contractor in Woodbridge 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 Woodbridge, 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 522 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.

  4. #4 Air, Inc.

    Based in Branford, 11 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 692 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    171 Short Beach Rd, Branford, CT 06405
    View profile for Air, Inc.(203) 871-0801

  5. #5 Levco Oil & Propane

    Based in Trumbull, 11 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 590 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    55 Merritt Blvd, Trumbull, CT 06611
    View profile for Levco Oil & Propane(203) 533-8249

  7. #7 Edgerton, Inc.

    Based in Bethel, 13 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 555 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    786 Main St, Monroe, CT 06468
    View profile for Edgerton, Inc.(203) 268-6279

  21. #21 Direct Home Services

    Based in Guilford, 17 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 268 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    57 Ozick Dr Suite i, Durham, CT 06422
    View profile for Direct Home Services(860) 339-6001

Top 50 of 522 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 Woodbridge, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mobilio and Son HVAC594.7★ (112)14 mi
27Paul's Heating and Cooling595.0★ (44)10 mi
28Precise HVAC Home Services594.8★ (389)23 mi
29Bertola Plumbing & Heating595.0★ (570)14 mi
30Elite Heating And Cooling LLC595.0★ (15)4 mi
31SMR Heating And Cooling595.0★ (85)17 mi
32Dynamic Heating, Cooling & Geothermal594.8★ (262)22 mi
33Hyper Fusion Heating & Cooling, LLC595.0★ (80)17 mi
34Hands On Heating Inc.594.9★ (59)14 mi
35Rick's Plumbing Service, Inc.595.0★ (1,157)10 mi
36Valley Mechanical LLC595.0★ (24)8 mi
37Diamond Mechanical595.0★ (77)17 mi
38Crocco Mechanical | HVAC Repair & Replacement in Connecticut595.0★ (58)15 mi
39NorthEast Heating & Cooling595.0★ (12)4 mi
40Active Air LLC585.0★ (44)14 mi
41Reilly Mechanical HVAC585.0★ (32)12 mi
42Top Tier Energy Service584.8★ (212)23 mi
43Climate Pros Heating & Cooling Corp585.0★ (16)8 mi
44Saucier Mechanical Services584.7★ (70)16 mi
45Advance HVAC585.0★ (16)9 mi
46AirTech Heating & Cooling LLC585.0★ (28)12 mi
47Servco Oil & Propane585.0★ (133)24 mi
48Shelton Oil584.4★ (16)7 mi
49Shelton Heating & Cooling584.3★ (12)5 mi
50Advanced Comfort Solutions585.0★ (13)8 mi

How we ranked emergency HVAC contractors in Woodbridge

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 Woodbridge: questions

Which HVAC contractors in Woodbridge are open 24/7?

25 on this list post 24/7 hours, including A & S Nathan Heating & Cooling LLC, Aire Serv of Shelton, HL Bowman Inc Plumbing Heating & AC, Air, Inc. and Levco Oil & Propane.

Who is ranked #1 for emergency heating and cooling in Woodbridge, CT?

A & S Nathan Heating & Cooling LLC is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Woodbridge 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 Woodbridge

  1. October 2026: CR Scores recalculated for 522 hvac contractors serving Woodbridge.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages