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Emergency HVAC Contractors in Billerica, MA (2026)

Top 50 of 1,180 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 Billerica: A. Fagundes Plumbing & Heating Inc., 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 Billerica at a glance

Top emergency HVAC contractors in Billerica at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1A. Fagundes Plumbing & Heating Inc.664.8★ (1,626)Billerica24/7
2Central Cooling & Heating664.9★ (3,169)Woburn, 7 mi away24/7
3Heritage Home Service664.8★ (3,352)Wilmington, 7 mi away24/7
4MillTown Plumbing, Heating, Cooling and Electrical664.8★ (2,927)Chelmsford, 6 mi away24/7
5128 Plumbing, Heating, Cooling & Electric654.9★ (3,912)Wakefield, 11 mi away24/7
6Mike Giasullo Oil Burner Service Inc.655.0★ (476)Billerica24/7
7Papalia Home Services654.9★ (3,978)Acton, 13 mi away24/7
8Addario's Plumbing, Heating, Cooling & Electrical Services644.6★ (2,076)Wilmington, 6 mi away24/7
9128 Plumbing, Heating, Cooling & Electric645.0★ (443)Chelmsford, 3 mi away24/7
10Winters Home Services644.8★ (2,862)Watertown, 14 mi away24/7

Call an emergency HVAC contractor in Billerica 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 Billerica, 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 1,180 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.

  3. #3 Heritage Home Service

    Based in Wilmington, 7 mi away

    66/100CR Score

    Ranked #3 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

  7. #7 Papalia Home Services

    Based in Acton, 13 mi away

    65/100CR 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

  12. #12 Excel Mechanical

    Based in Tewksbury, 4 mi away

    63/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 444 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2261 Main St, Tewksbury, MA 01876
    View profile for Excel Mechanical(617) 394-1104

  19. #19 American Air HVAC

    Based in Tewksbury, 5 mi away

    62/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 223 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1 Boxcar Blvd, Tewksbury, MA 01876
    View profile for American Air HVAC(978) 640-8880

  24. #24 Super Service Today

    Based in Danvers, 17 mi away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 1,672 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,672 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Healy Ct, Danvers, MA 01923
    View profile for Super Service Today(781) 568-9075

Top 50 of 1,180 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 Billerica, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Druziako HVAC Inc.624.8★ (185)6 mi
27Denommee Plumbing, HVAC & Electric614.7★ (427)10 mi
28Ranucci & Sons HVAC615.0★ (56)2 mi
29Spencer Plumbing Sewer and Drain Cleaning614.9★ (839)17 mi
30Walley's Heating & Air614.9★ (793)17 mi
31All Star Plumbing, Heating and Air Conditioning615.0★ (97)6 mi
32Denommee Plumbing, HVAC & Electric614.7★ (133)5 mi
33Northeast Heating & Cooling615.0★ (449)16 mi
34Marciano Plumbing & Heating614.9★ (115)7 mi
35S.D.H. Plumbing & Heating614.9★ (389)14 mi
36Christie Cooling and Heating614.8★ (223)10 mi
37Nicholson Plumbing, Electrical, Heating, and Air Conditioning614.8★ (2,950)25 mi
38Affordable Heat & Air614.7★ (67)2 mi
39YurTek - Heating and Cooling615.0★ (86)7 mi
40ER Services Plumbing and Heating LLC614.8★ (313)13 mi
41Gemini's Heating and Cooling614.7★ (92)4 mi
42Green Tech Plumbing & Heating614.8★ (451)15 mi
43Hunter & Sons AC & Cooling614.9★ (94)7 mi
44Obie Comfort Solutions614.8★ (1,322)21 mi
45Trust 1 Services Plumbing, Heating, and Air Conditioning614.8★ (1,567)23 mi
46Morris Plumbing, Heating & Air Conditioning615.0★ (582)20 mi
47Hunter & Sons AC Heating & Cooling614.8★ (71)5 mi
48Comfort Masters HVAC Service604.8★ (112)8 mi
49Precision Home Services604.9★ (1,017)23 mi
50ThermaCare Heating, Air & Electric604.9★ (84)8 mi

How we ranked emergency HVAC contractors in Billerica

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 Billerica: questions

Which HVAC contractors in Billerica are open 24/7?

25 on this list post 24/7 hours, including A. Fagundes Plumbing & Heating Inc., Central Cooling & Heating, Heritage Home Service, MillTown Plumbing, Heating, Cooling and Electrical and 128 Plumbing, Heating, Cooling & Electric.

Who is ranked #1 for emergency heating and cooling in Billerica, MA?

A. Fagundes Plumbing & Heating Inc. is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Billerica 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 Billerica

  1. October 2026: CR Scores recalculated for 1,180 hvac contractors serving Billerica.
  2. October 2026: 12 duplicate listings merged.

More emergency and heating and cooling pages