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Emergency HVAC Contractors in Plaistow, NH (2026)

Top 50 of 751 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 Plaistow: 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 Plaistow at a glance

Top emergency HVAC contractors in Plaistow at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heritage Home Service924.8★ (7,956)Auburn, 16 mi away24/7
2Northeast Heating & Cooling925.0★ (449)Haverhill, 6 mi away24/7
3128 Plumbing, Heating, Cooling & Electric915.0★ (562)North Andover, 11 mi away24/7
4Heritage Home Service904.8★ (3,352)Wilmington, 17 mi away24/7
5Heritage Home Service904.9★ (2,248)Hampton, 18 mi away24/7
6MVP Home Services904.7★ (545)Haverhill, 5 mi away24/7
7Cranney Home Services904.8★ (4,220)Danvers, 20 mi away24/7
8Morris Plumbing, Heating & Air Conditioning905.0★ (582)Andover, 14 mi away24/7
9128 Plumbing, Heating, Cooling & Electric894.9★ (3,912)Wakefield, 23 mi away24/7
10Central Cooling & Heating894.9★ (3,169)Woburn, 22 mi away24/7

Call an emergency HVAC contractor in Plaistow 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 Plaistow, 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 751 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.

  12. #12 NextGen Aire

    Based in Amesbury, 7 mi away

    89/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 271 Google reviews, open 24/7.

    • 4.8★ from 271 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 S Hunt Rd, Amesbury, MA 01913
    View profile for NextGen Aire(978) 566-9601

Top 50 of 751 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 Plaistow, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Super Service Today884.7★ (1,672)21 mi
27Derry Plumbing & Heating874.8★ (176)11 mi
28Spencer Plumbing Sewer and Drain Cleaning874.9★ (839)23 mi
29Extreme Plumbing874.7★ (51)5 mi
30Addario's Plumbing, Heating, Cooling & Electrical Services874.6★ (2,076)22 mi
31Pilot Plumbing, Heating and Cooling | Plumber, Tankless Water Heater Repair & Installation | Heating & AC Repair Sandown, NH875.0★ (51)9 mi
32Excel Mechanical874.8★ (444)18 mi
33LHR Plumbing Heating Cooling and Electric874.9★ (454)21 mi
34A.J. LeBlanc Heating, A/C, Plumbing & Electrical874.8★ (683)21 mi
35Cooling Unlimited, Inc.874.8★ (741)22 mi
36Cool-Rite Mechanical Inc.874.9★ (183)17 mi
37A. Fagundes Plumbing & Heating Inc.864.9★ (348)21 mi
38American Air HVAC864.8★ (223)16 mi
39Bill Trombly Plumbing - Heating - Cooling - Electric864.7★ (598)21 mi
40HomeServe of New England864.7★ (872)23 mi
41Brookside Heating & Cooling (fka Brookside Mechanical, Inc.)864.9★ (167)18 mi
42YurTek - Heating and Cooling865.0★ (86)16 mi
43Dry Air Systems Inc864.7★ (61)10 mi
44R.H. Young Cooling and Heating, Inc.864.8★ (265)20 mi
45Denommee Plumbing, HVAC & Electric864.7★ (427)21 mi
46Patriot Heating & Cooling, LLC864.8★ (174)18 mi
47HeatPro HVAC854.8★ (138)18 mi
48Druziako HVAC Inc.854.8★ (185)19 mi
49CALLAHAN OIL BURNER SERVICE'S854.7★ (12)In Plaistow
50JP HVAC - Heating & Cooling855.0★ (35)13 mi

How we ranked emergency HVAC contractors in Plaistow

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 Plaistow: questions

Which HVAC contractors in Plaistow are open 24/7?

25 on this list post 24/7 hours, including Heritage Home Service, Northeast Heating & Cooling, 128 Plumbing, Heating, Cooling & Electric, Heritage Home Service and Heritage Home Service.

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

Heritage Home Service is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency HVAC contractors in Plaistow 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 Plaistow

  1. October 2026: CR Scores recalculated for 751 hvac contractors serving Plaistow.
  2. October 2026: 11 duplicate listings merged.

More emergency and heating and cooling pages