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Emergency HVAC Contractors in Bath, ME (2026)

Top 50 of 75 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

14 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 Bath: Harry’s Heating & A/C, 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 Bath at a glance

Top emergency HVAC contractors in Bath at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Harry’s Heating & A/C, LLC895.0★ (40)Auburn, 3 mi away24/7
2Beaulieu Energy Services894.9★ (82)Topsham, 9 mi away24/7
3Premier Heating Services,LLC875.0★ (20)Auburn, 6 mi away24/7
4Aire Serv of Lewiston874.7★ (363)Auburn, 23 mi away24/7
5Bean's Heating and Air864.7★ (29)Auburn, 11 mi away24/7
6Knowles Mechanical, Inc.824.2★ (53)Lewiston, 21 mi away24/7
7McLaughlin Heating Services, LLC825.0★ (4)Auburn, 14 mi away24/7
8Hoffman Heating815.0★ (6)Auburn, 21 mi away24/7
9Russell's HVAC805.0★ (8)Auburn, 24 mi away24/7
10Woodville Plumbing and Heating794.7★ (43)Buxton, 22 mi away24/7

Call an emergency HVAC contractor in Bath 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 Bath, 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 75 is on the HVAC contractors page.

  2. #2 Beaulieu Energy Services

    Based in Topsham, 9 mi away

    89/100CR Score

    Ranked #2 because of its Google rating and availability: 4.9★ from 82 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 82 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    380 Lewiston Rd, Topsham, ME 04086
    View profile for Beaulieu Energy Services(207) 407-3186

  4. #4 Aire Serv of Lewiston

    Based in Auburn, 23 mi away

    87/100CR Score

    Ranked #4 because of its Google rating and availability: 4.7★ from 363 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 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 Knowles Mechanical, Inc.

    Based in Lewiston, 21 mi away

    82/100CR Score

    Ranked #6 because of its Google rating and availability: 4.2★ from 53 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.2★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Enterprise St, Lewiston, ME 04240
    View profile for Knowles Mechanical, Inc.(207) 445-4092

  8. #8 Hoffman Heating

    Based in Auburn, 21 mi away

    81/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Hoffman Heating(207) 347-9733

  9. #9 Russell's HVAC

    Based in Auburn, 24 mi away

    80/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 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

  11. #11 D & M Heating

    Based in Auburn, 16 mi away

    79/100CR Score

    Ranked #11 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

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

  12. #12 Support Hvac services

    Based in Lewiston, 22 mi away

    79/100CR Score

    Ranked #12 because of its Google rating and availability: 4.6★ from 8 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    165 Warren Ave, Lewiston, ME 04240
    View profile for Support Hvac services(207) 409-4514

  13. #13 Thayer, LLC

    Based in Auburn, 25 mi away

    78/100CR Score

    Ranked #13 because of its Google rating and availability: 3.1★ from 14 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 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

  14. #14 Wolff & Sons, LLC

    Based in Auburn, 22 mi away

    78/100CR Score

    Ranked #14 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Wolff & Sons, LLC(207) 671-8511

  15. #15 Mike's HVAC LLC

    Based in Auburn, 6 mi away

    80/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “HVAC contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 31 Google reviews
    View profile for Mike's HVAC LLC(207) 844-0221

  16. #16 Hughes Heating Services

    Based in Topsham, 6 mi away

    77/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.6★ from 16 Google reviews, listed on Google as “Heating contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.6★ from 16 Google reviews
    Address
    27 Tedford Rd, Topsham, ME 04086
    View profile for Hughes Heating Services(207) 725-2730

  18. #18 RDL Mechanical Contractor

    Based in Lisbon, 20 mi away

    71/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.0★ from 6 Google reviews, listed on Google as “Heating contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.0★ from 6 Google reviews
    Address
    25 Lisbon Rd, Sabattus, ME 04280
    View profile for RDL Mechanical Contractor(207) 375-6193

  19. #19 A-1 Remodeling and hvac

    Based in Lewiston, 18 mi away

    71/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 21 Google reviews
    Address
    18 Field Rd, Lewiston, ME 04240
    View profile for A-1 Remodeling and hvac(207) 240-6075

  21. #21 Martin Heating

    Based in New Gloucester, 25 mi away

    70/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 5 Google reviews
    Address
    82 Elderberry Ln, New Gloucester, ME 04260
    View profile for Martin Heating(207) 807-0619

  22. #22 Paul's Oil Burner Services

    Based in Lewiston, 23 mi away

    70/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “Heating contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.0★ from 22 Google reviews
    Address
    210 Bartlett St, Lewiston, ME 04240
    View profile for Paul's Oil Burner Services(207) 784-0972

  23. #23 Lincoln Enterprises

    Based in Brunswick, 4 mi away

    69/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Electrician”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 14 Google reviews
    Address
    316 Bath Rd, Brunswick, ME 04011
    View profile for Lincoln Enterprises(207) 389-6240

Top 50 of 75 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 Bath, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Dog House Heating Air, and Plumbing, LLC684.8★ (1,388)7 mi
27Midcoast Heating & Cooling671.0★ (3)9 mi
28Adlers Plumbing & Heating673.0★ (4)23 mi
29Sheehan Electric LLC665.0★ (10)16 mi
30Motivated Mechanical Solutions654.9★ (106)In Bath
31BANN Home Electrical Services, LLC644.9★ (144)8 mi
32Excel Mechanical LLC634.8★ (92)4 mi
33Royal River Heat Pumps634.9★ (406)17 mi
34Michaud Plumbing & Heating Inc624.0★ (4)22 mi
35Heat Pumps of Maine625.0★ (391)22 mi
36Northeast Heat Pumps614.7★ (72)9 mi
37D.A. Cressey Heat Pumps & Electric614.2★ (30)In Bath
38Lisbon Fuel CO604.7★ (101)14 mi
39Premium H2O, Inc.604.1★ (22)In Bath
40M. W. Sewall603.8★ (37)In Bath
41Laird's HVAC LLC595.0★ (132)24 mi
42Citizen Energy LLC594.6★ (82)14 mi
43Crowley Energy-Main Street Fuel594.2★ (72)9 mi
44Bath Heating & Air Conditioning594.4★ (14)In Bath
45Martin Heating & Cooling584.9★ (80)25 mi
46JY Heating and A/C LLC585.0★ (16)14 mi
47Beal Plumbing & Heating, LLC574.6★ (69)22 mi
48Dead River Company574.5★ (109)24 mi
49Aaron Hamilton Heating Inc575.0★ (13)16 mi
50Landry's Heating and Cooling575.0★ (7)7 mi

How we ranked emergency HVAC contractors in Bath

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 Bath: questions

Which HVAC contractors in Bath are open 24/7?

14 on this list post 24/7 hours, including Harry’s Heating & A/C, LLC, Beaulieu Energy Services, Premier Heating Services,LLC, Aire Serv of Lewiston and Bean's Heating and Air.

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

Harry’s Heating & A/C, LLC is #1, with a CR Score of 89 out of 100 on emergency weights.

How are emergency HVAC contractors in Bath 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 Bath

  1. October 2026: CR Scores recalculated for 75 hvac contractors serving Bath.

More emergency and heating and cooling pages