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Emergency HVAC Contractors in Manchester, NH (2026)

Top 50 of 420 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 Manchester: 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 Manchester at a glance

Top emergency HVAC contractors in Manchester at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heritage Home Service674.8★ (7,956)Auburn, 6 mi away24/7
2High Ground Service Pros - Plumbers Electricians & HVAC Technicians674.9★ (2,303)Manchester24/7
3LHR Plumbing Heating Cooling and Electric644.9★ (454)Manchester24/7
4Bill Trombly Plumbing - Heating - Cooling - Electric644.7★ (598)Manchester24/7
5A.J. LeBlanc Heating, A/C, Plumbing & Electrical644.8★ (683)Bedford, 3 mi away24/7
6Brookside Heating & Cooling (fka Brookside Mechanical, Inc.)634.9★ (167)Manchester24/7
7LHR Plumbing, Heating & AC Repair634.9★ (128)Manchester24/7
8Sanford Temperature Control624.9★ (1,832)Milford, 16 mi away24/7
9Triumph Home Services624.9★ (539)Concord, 10 mi away24/7
10Southern New Hampshire Plumbing and Heating624.8★ (433)Londonderry, 8 mi away24/7

Call an emergency HVAC contractor in Manchester 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 Manchester, 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 420 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.

  12. #12 City Fuel

    Based in Manchester

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.6★ from 101 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.6★ from 101 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    67 Willow St, Manchester, NH 03103
    View profile for City Fuel(603) 669-3033

  21. #21 Fuel NRG

    Based in Derry, 4 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.5★ from 94 Google reviews, listed on Google as “Heating contractor”.

    • 4.5★ from 94 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Fuel NRG(603) 890-7051

Top 50 of 420 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 Manchester, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Colonial Plumbing & Heating594.7★ (32)3 mi
27Danerik Mechanical, LLC.595.0★ (45)7 mi
28Total Climate Control Plumbing, Heating & Air Conditioning594.8★ (633)22 mi
29Complete Home Services594.8★ (20)4 mi
30Northeast Heating & Cooling595.0★ (449)24 mi
31Mad Moose Mechanical595.0★ (14)4 mi
32Key Heating & Air Conditioning594.8★ (692)24 mi
33Accurate Air584.4★ (8)In Manchester
34A+ Plumbing Heating & Cooling583.3★ (12)In Manchester
35Advanced Quality Air584.8★ (20)8 mi
36Competitive Plumbing & Heating585.0★ (52)In Manchester
37Denommee Plumbing, HVAC & Electric584.7★ (427)24 mi
38Pilot Plumbing, Heating and Cooling | Plumber, Tankless Water Heater Repair & Installation | Heating & AC Repair Sandown, NH585.0★ (51)15 mi
39ER Services Plumbing and Heating LLC584.8★ (313)24 mi
40Ferris Plumbing, Heating & Air574.9★ (77)18 mi
41Cal's Air Conditioning & Heating575.0★ (18)11 mi
42NEXTgen Heating, Cooling & Gas575.0★ (21)12 mi
43Denommee Plumbing, HVAC & Electric574.9★ (51)17 mi
44CRS Mechanical LLC575.0★ (28)15 mi
45Grooms HVAC and Appliance573.7★ (3)2 mi
46Haverhill HVAC575.0★ (16)12 mi
47P.A.C.E Cooling & Heating, LLC575.0★ (9)9 mi
48Kingdom Cooling574.5★ (15)11 mi
49Windham Mechanical LLC574.9★ (73)21 mi
50Queen City Plumbing & Heating564.4★ (39)In Manchester

How we ranked emergency HVAC contractors in Manchester

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 Manchester: questions

Which HVAC contractors in Manchester are open 24/7?

25 on this list post 24/7 hours, including Heritage Home Service, High Ground Service Pros - Plumbers Electricians & HVAC Technicians, LHR Plumbing Heating Cooling and Electric, Bill Trombly Plumbing - Heating - Cooling - Electric and A.J. LeBlanc Heating, A/C, Plumbing & Electrical.

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

Heritage Home Service is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Manchester 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 Manchester

  1. October 2026: CR Scores recalculated for 420 hvac contractors serving Manchester.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages