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Emergency HVAC Contractors in Laconia, NH (2026)

Top 50 of 132 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 Laconia: 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 Laconia at a glance

Top emergency HVAC contractors in Laconia at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heritage Home Service944.9★ (802)Laconia24/7
2Rowell's Services944.8★ (3,082)Northfield, 7 mi away24/7
3Just Hot Water LLC905.0★ (121)Northfield, 7 mi away24/7
4Total Climate Control Plumbing, Heating & Air Conditioning894.8★ (633)Concord, 17 mi away24/7
5Hall's Burner Service Inc894.7★ (99)Franklin, 5 mi away24/7
6Bigfoot HVAC885.0★ (35)Franklin, 4 mi away24/7
7Above & Below HVAC874.9★ (32)Franklin, 6 mi away24/7
8Gunstock HVAC874.8★ (20)Gilford, 4 mi away24/7
9Bell Heating Service, LLC865.0★ (54)Moultonborough, 14 mi away24/7
10First Choice Installations, LLC865.0★ (14)Franklin, 4 mi away24/7

Call an emergency HVAC contractor in Laconia 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 Laconia, 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 132 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.

  2. #2 Rowell's Services

    Based in Northfield, 7 mi away

    94/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.8★ from 3,082 Google reviews, 3,082 Google reviews.

    • 4.8★ from 3,082 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    359 Tilton Rd, Northfield, NH 03276
    View profile for Rowell's Services(603) 729-3318

  8. #8 Gunstock HVAC

    Based in Gilford, 4 mi away

    87/100CR Score

    Ranked #8 because of its Google rating and availability: 4.8★ from 20 Google reviews, open 24/7.

    • 4.8★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    299 Gunstock Hill Rd, Gilford, NH 03249
    View profile for Gunstock HVAC(603) 293-8088

  19. #19 Seely Plumbing

    Based in Gilford, 8 mi away

    83/100CR Score

    Ranked #19 because of its Google rating and availability: 3.5★ from 8 Google reviews, open 24/7.

    • 3.5★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16c Annalee Pl, Meredith, NH 03253
    View profile for Seely Plumbing(603) 279-6638

Top 50 of 132 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 Laconia, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Jenkins Plumbing and Heating814.8★ (93)19 mi
27Belknap Plumbing and Heating814.0★ (4)15 mi
28Alpha Tech Refrigeration815.0★ (5)13 mi
29Murphy's HVAC LLC815.0★ (11)24 mi
30CMC Mechanical Services LLC802.0★ (4)14 mi
31P & M Heating Services804.0★ (35)24 mi
32Mitch Comeau’s Plumbing & Heating805.0★ (9)10 mi
33Winnipesaukee Heating & Cooling Inc.805.0★ (7)18 mi
34Advanced Comfort795.0★ (133)23 mi
35ALLC Mechanical795.0★ (11)6 mi
36Sunrise Heating and Cooling784.8★ (30)12 mi
37Total Climate Control782.6★ (19)22 mi
38ED'S HEATING SERVICE775.0★ (7)13 mi
39East Coast Plumbing and Heating LLC775.0★ (9)20 mi
40DG III Plumbing & Heating, LLC774.9★ (17)14 mi
41Michael McGrath Heating Oil & Diesel775.0★ (11)22 mi
42Chantz Mello Plumbing and Heating775.0★ (20)22 mi
43Berger HVAC, LLC773.0★ (4)24 mi
44Spencer Bros764.6★ (9)In Laconia
45Scho's Plumbing and Heating, LLC.765.0★ (21)3 mi
46Meticulous Plumbing and Heating754.9★ (7)22 mi
47Rymes Propane & Oil754.2★ (229)22 mi
48Laflamme Plumbing & Heating754.4★ (9)3 mi
49Rymes Propane & Oil743.2★ (9)9 mi
50Rymes Propane & Oil742.2★ (29)In Laconia

How we ranked emergency HVAC contractors in Laconia

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 Laconia: questions

Which HVAC contractors in Laconia are open 24/7?

25 on this list post 24/7 hours, including Heritage Home Service, Rowell's Services, Just Hot Water LLC, Total Climate Control Plumbing, Heating & Air Conditioning and Hall's Burner Service Inc.

Who is ranked #1 for emergency heating and cooling in Laconia, NH?

Heritage Home Service is #1, with a CR Score of 94 out of 100 on emergency weights.

How are emergency HVAC contractors in Laconia 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 Laconia

  1. October 2026: CR Scores recalculated for 132 hvac contractors serving Laconia.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages