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Emergency HVAC Contractors in Portland, CT (2026)

Top 50 of 505 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 Portland: Absolute Air Services, 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 Portland at a glance

Top emergency HVAC contractors in Portland at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Absolute Air Services, LLC664.9★ (1,027)Portland24/7
2Degree Heating and Cooling644.8★ (1,302)Glastonbury, 10 mi away24/7
3Call The Bee634.8★ (2,959)Farmington, 17 mi away24/7
4Total Mechanical Systems634.7★ (2,607)Plainville, 15 mi away24/7
5SM Mechanical Services LLC634.8★ (618)Glastonbury, 10 mi away24/7
6Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning624.8★ (601)Wallingford, 11 mi away24/7
7Ductworks HVAC Services624.8★ (695)Bristol, 13 mi away24/7
8TruComfort Heating and Cooling624.9★ (79)Cheshire Village, 1 mi away24/7
9HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical624.5★ (4,138)Windsor, 20 mi away24/7
10Direct Home Services624.7★ (268)Guilford, 8 mi away24/7

Call an emergency HVAC contractor in Portland 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 Portland, 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 505 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.

  3. #3 Call The Bee

    Based in Farmington, 17 mi away

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,959 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,959 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Eastview Dr, Farmington, CT 06032
    View profile for Call The Bee(860) 272-6402

  10. #10 Direct Home Services

    Based in Guilford, 8 mi away

    62/100CR Score

    Ranked #10 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

  11. #11 Clark's Heating

    Based in Middletown, 1 mi away

    61/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Heating contractor”.

    • 4.8★ from 63 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16 Alsop Ave, Middletown, CT 06457
    View profile for Clark's Heating(860) 346-1137

  19. #19 Air, Inc.

    Based in Branford, 24 mi away

    59/100CR Score

    Ranked #19 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

Top 50 of 505 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 Portland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mobilio and Son HVAC594.7★ (112)14 mi
27DTS Oil & Gas Service & Solutions LLC595.0★ (150)19 mi
28Prime Time Heating, LLC595.0★ (15)4 mi
29Cool Spaces Services595.0★ (15)4 mi
30Marzano Plumbing & Heating llc584.9★ (656)14 mi
31Saucier Mechanical Services584.7★ (70)13 mi
32Setpoint Refrigeration LLC585.0★ (55)15 mi
33Bystrek's Oil Company, LLC583.8★ (10)1 mi
34Future Mechanical LLC584.7★ (27)9 mi
35N&T Heating Cooling and Ventilation LLC585.0★ (24)10 mi
36Limitless Mechanical Services585.0★ (64)17 mi
37Facilities Compliance Fire Protection, LLC574.6★ (9)6 mi
38Crocco Mechanical | HVAC Repair & Replacement in Connecticut575.0★ (58)20 mi
39Macri Associates575.0★ (10)8 mi
40Spotless Chimney Sweeping & Solutions LLC574.6★ (714)6 mi
41Tucker Mechanical574.4★ (7)5 mi
42E Elving Heating and Cooling LLC574.9★ (90)23 mi
43Soyka Sheetmetal575.0★ (29)16 mi
44Superior Fuel573.6★ (25)8 mi
45AMC Services LLC575.0★ (6)6 mi
46Deitch Energy LLC574.0★ (70)14 mi
47Becker's HVAC & Electrical Services LLC574.8★ (31)16 mi
48Comfortable Environments LLC565.0★ (7)8 mi
49J.M. Curtis Energy Solutions564.9★ (68)22 mi
50Alternative Mechanical Services, LLC563.9★ (18)10 mi

How we ranked emergency HVAC contractors in Portland

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 Portland: questions

Which HVAC contractors in Portland are open 24/7?

25 on this list post 24/7 hours, including Absolute Air Services, LLC, Degree Heating and Cooling, Call The Bee, Total Mechanical Systems and SM Mechanical Services LLC.

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

Absolute Air Services, LLC is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Portland 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 Portland

  1. October 2026: CR Scores recalculated for 505 hvac contractors serving Portland.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages