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Emergency HVAC Contractors in Hudson, NH (2026)

Top 50 of 668 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 Hudson: Walley's Heating & Air, 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 Hudson at a glance

Top emergency HVAC contractors in Hudson at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Walley's Heating & Air654.9★ (793)Nashua, 1 mi away24/7
2Heritage Home Service654.8★ (7,956)Auburn, 14 mi away24/7
3A. Fagundes Plumbing & Heating Inc.644.8★ (1,626)Billerica, 7 mi away24/7
4MillTown Plumbing, Heating, Cooling and Electrical644.8★ (2,927)Chelmsford, 11 mi away24/7
5Wilson Brothers Heating & Air Conditioning, Inc.644.9★ (1,275)Fitchburg, 9 mi away24/7
6A. Fagundes Plumbing & Heating Inc.634.9★ (348)Nashua, 3 mi away24/7
7Papalia Home Services634.9★ (3,978)Acton, 18 mi away24/7
8High Ground Service Pros - Plumbers Electricians & HVAC Technicians634.9★ (2,303)Manchester, 16 mi away24/7
9Sanford Temperature Control634.9★ (1,832)Milford, 14 mi away24/7
10Heritage Home Service624.8★ (3,352)Wilmington, 19 mi away24/7

Call an emergency HVAC contractor in Hudson 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 Hudson, 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 668 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.

  7. #7 Papalia Home Services

    Based in Acton, 18 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 3,978 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1220 Liberty Square Rd, Boxborough, MA 01719
    View profile for Papalia Home Services(978) 897-1701

  10. #10 Heritage Home Service

    Based in Wilmington, 19 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,352 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    323 Andover St STE 2, Wilmington, MA 01887
    View profile for Heritage Home Service(978) 254-4602

Top 50 of 668 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 Hudson, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Druziako HVAC Inc.604.8★ (185)11 mi
27Addario's Plumbing, Heating, Cooling & Electrical Services604.6★ (2,076)22 mi
28ER Services Plumbing and Heating LLC604.8★ (313)15 mi
29J. Griffin Heating & Plumbing Inc605.0★ (643)22 mi
30Patriot Oil Burner Service605.0★ (263)17 mi
31Excel Mechanical604.8★ (444)18 mi
32Hunter & Sons AC & Cooling604.9★ (94)10 mi
33R.H. Young Cooling and Heating, Inc.604.8★ (265)15 mi
34YurTek - Heating and Cooling605.0★ (86)11 mi
35Brookside Heating & Cooling (fka Brookside Mechanical, Inc.)594.9★ (167)15 mi
36American Air HVAC594.8★ (223)15 mi
37Denary Plumbing Heating & Cooling595.0★ (11)In Hudson
38MVP Home Services594.7★ (545)19 mi
39Ayotte Plumbing Heating and Air Conditioning594.5★ (102)10 mi
40BOSS HVAC594.9★ (28)7 mi
41Cooling Unlimited, Inc.594.8★ (741)24 mi
42HomeServe of New England594.7★ (872)24 mi
43Hunter & Sons AC Heating & Cooling594.8★ (71)12 mi
44Aire Serv of Nashua and Salem594.1★ (14)1 mi
45Denommee Plumbing, HVAC & Electric594.9★ (51)11 mi
46Eric C. Foster Plumbing Heating & Cooling Inc.584.9★ (619)11 mi
47Absolute Precision Plumbing, Heating & Cooling584.9★ (491)25 mi
48Christie Cooling and Heating584.8★ (223)20 mi
49LHR Plumbing, Heating & AC Repair584.9★ (128)18 mi
50Home Service Doctors Plumbing & HVAC584.7★ (56)12 mi

How we ranked emergency HVAC contractors in Hudson

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 Hudson: questions

Which HVAC contractors in Hudson are open 24/7?

25 on this list post 24/7 hours, including Walley's Heating & Air, Heritage Home Service, A. Fagundes Plumbing & Heating Inc., MillTown Plumbing, Heating, Cooling and Electrical and Wilson Brothers Heating & Air Conditioning, Inc..

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

Walley's Heating & Air is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Hudson 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 Hudson

  1. October 2026: CR Scores recalculated for 668 hvac contractors serving Hudson.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages