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Emergency HVAC Contractors in Lewiston, ME (2026)

Top 50 of 134 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 Lewiston: Aire Serv of Lewiston, 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 Lewiston at a glance

Top emergency HVAC contractors in Lewiston at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Aire Serv of Lewiston654.7★ (363)Auburn, 1 mi away24/7
2Aire Serv of Southern Maine624.9★ (755)Buxton, 21 mi away24/7
3Knowles Mechanical, Inc.614.2★ (53)Lewiston24/7
4207 Plumbing and Heating604.7★ (429)Gorham, 24 mi away24/7
5Beaulieu Energy Services604.9★ (82)Topsham, 15 mi away24/7
6Russell's HVAC595.0★ (8)Auburn, 1 mi away24/7
7Support Hvac services594.6★ (8)Lewiston24/7
8Central Maine Heating Services LLC594.9★ (41)Auburn, 14 mi away24/7
9Superior Energy Solutions584.2★ (39)Auburn, 10 mi away24/7
10Thayer, LLC583.1★ (14)Auburn, 3 mi away24/7

Call an emergency HVAC contractor in Lewiston 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 Lewiston, 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 134 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 Lewiston

    #1 Aire Serv of Lewiston

    Based in Auburn, 1 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.7★ from 363 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 363 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 Mill St, Auburn, ME 04210
    View profile for Aire Serv of Lewiston(207) 248-8808

  6. #6 Russell's HVAC

    Based in Auburn, 1 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    81 Main St #105, Auburn, ME 04210
    View profile for Russell's HVAC(207) 241-4640

  10. #10 Thayer, LLC

    Based in Auburn, 3 mi away

    58/100CR Score

    Ranked #10 because of its Google rating and trade focus: 3.1★ from 14 Google reviews, listed on Google as “HVAC contractor”.

    • 3.1★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1400 Hotel Rd STE F, Auburn, ME 04210
    View profile for Thayer, LLC(800) 649-4197

  19. #19 D & M Heating

    Based in Auburn, 8 mi away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for D & M Heating(207) 520-1299

  20. #20 MTECH NE

    Based in Andover, 9 mi away

    56/100CR Score

    Ranked #20 because of its Google rating and trade focus: 3.8★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    • 3.8★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for MTECH NE(978) 447-5641

Top 50 of 134 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 Lewiston, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Maine Line Plumbing and Heating LLC513.9★ (35)21 mi
27Paul's Oil Burner Services514.0★ (22)In Lewiston
28Powell Heating Services Inc495.0★ (17)8 mi
29Robert Masse Plumbing & Heating484.5★ (4)In Lewiston
30Heat Pumps of Maine485.0★ (391)In Lewiston
31Adlers Plumbing & Heating473.0★ (4)2 mi
32A-1 Remodeling and hvac475.0★ (21)In Lewiston
33RDL Mechanical Contractor474.0★ (6)5 mi
34Mike's HVAC LLC475.0★ (31)19 mi
35Earle's Heating Oil473.8★ (13)9 mi
36James Reid Heating463.6★ (8)10 mi
37Martin Heating465.0★ (5)11 mi
38Laird's HVAC LLC465.0★ (132)1 mi
39Hughes Heating Services454.6★ (16)18 mi
40Dog House Heating Air, and Plumbing, LLC454.8★ (1,388)19 mi
41A & R Plumbing & Heating Services455.0★ (9)18 mi
42Grooms Appliance and HVAC455.0★ (6)15 mi
43Dead River Company444.5★ (109)1 mi
44Michaud Plumbing & Heating Inc444.0★ (4)In Lewiston
45Beal Plumbing & Heating, LLC434.6★ (69)3 mi
46Air Tight Air Systems432.6★ (5)17 mi
47Royal River Heat Pumps434.9★ (406)19 mi
48E A Smith Plumbing & Heating435.0★ (6)22 mi
49Donnelly's HVAC424.3★ (6)21 mi
50Dave's World Windham424.9★ (546)23 mi

How we ranked emergency HVAC contractors in Lewiston

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 Lewiston: questions

Which HVAC contractors in Lewiston are open 24/7?

25 on this list post 24/7 hours, including Aire Serv of Lewiston, Aire Serv of Southern Maine, Knowles Mechanical, Inc., 207 Plumbing and Heating and Beaulieu Energy Services.

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

Aire Serv of Lewiston is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Lewiston 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 Lewiston

  1. October 2026: CR Scores recalculated for 134 hvac contractors serving Lewiston.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages