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Emergency HVAC Contractors in Portland, ME (2026)

Top 50 of 171 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: 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 Portland at a glance

Top emergency HVAC contractors in Portland at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heritage Home Service954.8★ (630)Portland24/7
2Pine State Services934.7★ (1,112)Buxton, 6 mi away24/7
3Aire Serv of Southern Maine924.9★ (755)Buxton, 12 mi away24/7
4Gammon’s Heating & Cooling914.8★ (557)Saco, 11 mi away24/7
5207 Plumbing and Heating904.7★ (429)Gorham, 11 mi away24/7
6Aces Highlands HVAC/Plumbing885.0★ (18)Portland24/7
7LaPlante Electric874.9★ (1,260)Buxton, 10 mi away24/7
8Martel Mechanical875.0★ (35)Buxton, 4 mi away24/7
9Maine Air Comfort874.8★ (23)Buxton, 5 mi away24/7
10Southern Maine Mechanical875.0★ (33)Gorham, 9 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 171 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  11. #11 Jophil

    Based in Portland

    87/100CR Score

    Ranked #11 because of its Google rating and availability: 4.4★ from 15 Google reviews, open 24/7.

    • 4.4★ from 15 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    533 Congress St, Portland, ME 04101
    View profile for Jophil(207) 292-2201

Top 50 of 171 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
26Hoffman Heating825.0★ (6)15 mi
27W.T. Fenderson Heating & Air Conditioning795.0★ (4)17 mi
28Seaside Heating And Cooling795.0★ (29)11 mi
29Darling Plumbing & Heating794.2★ (24)In Portland
30John Scott Plumbing and Heating784.3★ (11)5 mi
31B & D Burner Services774.4★ (9)5 mi
32Trane Heating & Cooling Services753.0★ (4)5 mi
33Sturgis Plumbing & Heating754.1★ (12)13 mi
34Buckeye Plumbing and Heating, LLC745.0★ (3)16 mi
35Mike Mc Donald Heating Services Llc742.2★ (6)3 mi
36Libby Heating735.0★ (8)13 mi
37Mike's HVAC LLC735.0★ (31)24 mi
38Coastal Plumbing & Heating725.0★ (4)7 mi
39Lamontagne Plumbing & Heating715.0★ (5)16 mi
40Martin Heating715.0★ (5)21 mi
41Donnelly's HVAC714.3★ (6)17 mi
42Quality Climate Control LLC704.4★ (7)24 mi
43Hughes Heating Services704.6★ (16)25 mi
44A & R Plumbing & Heating Services705.0★ (9)23 mi
45Charlie's Heating Services703.7★ (6)17 mi
46Dodge Oil & Propane682.3★ (42)9 mi
47B & K Heating683.6★ (7)22 mi
48David Blackwell Plumbing & Heating673.9★ (27)19 mi
49Gelinas HVAC Services674.9★ (508)5 mi
50Dave's World Scarborough674.9★ (488)5 mi

How we ranked emergency HVAC contractors in Portland

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Portland: questions

Which HVAC contractors in Portland are open 24/7?

25 on this list post 24/7 hours, including Heritage Home Service, Pine State Services, Aire Serv of Southern Maine, Gammon’s Heating & Cooling and 207 Plumbing and Heating.

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

Heritage Home Service is #1, with a CR Score of 95 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: 25% and 20%. 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 171 hvac contractors serving Portland.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages