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Emergency HVAC Contractors in Fullerton, PA (2026)

Top 50 of 292 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 Fullerton: Maitz Home Services, 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 Fullerton at a glance

Top emergency HVAC contractors in Fullerton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Maitz Home Services664.7★ (3,032)Allentown, 5 mi away24/7
2Curtis Total Service654.6★ (851)Allentown, 2 mi away24/7
3UGI Heating, Cooling & Plumbing644.7★ (427)Whitehall Township, 1 mi away24/7
4Burkholder's Heating & Air Conditioning Inc.644.7★ (1,115)Emmaus, 7 mi away24/7
5Services United HVAC644.9★ (1,051)Bethlehem, 10 mi away24/7
6Haller Enterprises644.7★ (1,085)Bethlehem, 8 mi away24/7
7HL Bowman Inc Plumbing Heating & AC644.8★ (478)Allentown, 5 mi away24/7
8Carl Volkman And Sons HVAC LLC634.9★ (518)Hellertown, 8 mi away24/7
9Comfort Solutions HVAC634.9★ (926)Easton, 13 mi away24/7
10Dual Temp Co., Inc.634.9★ (220)Allentown, 4 mi away24/7

Call an emergency HVAC contractor in Fullerton 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 Fullerton, 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 292 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.

  1. Ranked #1 in Fullerton

    #1 Maitz Home Services

    Based in Allentown, 5 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.7★ from 3,032 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 3,032 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3320 Hamilton Blvd, Allentown, PA 18103
    View profile for Maitz Home Services(484) 673-6132

  2. #2 Curtis Total Service

    Based in Allentown, 2 mi away

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.6★ from 851 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 851 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1415 E Pennsylvania St, Allentown, PA 18109
    View profile for Curtis Total Service(610) 686-3656

  5. #5 Services United HVAC

    Based in Bethlehem, 10 mi away

    64/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,051 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,051 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2430 Emrick Blvd, Bethlehem, PA 18020
    View profile for Services United HVAC(610) 697-9201

  6. #6 Haller Enterprises

    Based in Bethlehem, 8 mi away

    64/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,085 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,085 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4240 Fritch Dr, Bethlehem, PA 18020
    View profile for Haller Enterprises(610) 477-8841

  10. #10 Dual Temp Co., Inc.

    Based in Allentown, 4 mi away

    63/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2050 S 12th St, Allentown, PA 18103
    View profile for Dual Temp Co., Inc.(484) 734-9623

  19. #19 R.F. Ohl

    Based in Lehighton, 19 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.7★ from 578 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 578 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    160 S 2nd St, Lehighton, PA 18235
    View profile for R.F. Ohl(610) 377-1098

  20. #20 All About Comfort

    Based in Whitehall Township, 1 mi away

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 27 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    525 Orchard Cir, Whitehall Township, PA 18052
    View profile for All About Comfort(484) 828-9449

  25. #25 Home Comfort Solutions

    Based in Lehighton, 19 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 245 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    325 Cypress St, Lehighton, PA 18235
    View profile for Home Comfort Solutions(484) 464-3681

Top 50 of 292 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 Fullerton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Blue & Gray Total Home Services595.0★ (59)11 mi
27Coolez Hvac594.9★ (57)10 mi
28PJ MAC HVAC Air Duct Cleaning595.0★ (16)2 mi
29Pinho Mechanical595.0★ (22)6 mi
30Deluxe Plumbing & Heating594.7★ (504)8 mi
31Longacre Heating Air Conditioning & Plumbing594.8★ (48)10 mi
32Ayers HVAC LLC595.0★ (20)6 mi
33Unger Heating & Cooling594.7★ (76)12 mi
34PJ MAC594.8★ (21)5 mi
35Brro’s Heating and air-conditioning594.6★ (11)2 mi
36Grozier Heating and Air Conditioning, LLC594.7★ (13)3 mi
37Mechanical Minds595.0★ (15)5 mi
38Ductz of the Greater Poconos594.9★ (48)12 mi
39Moyer Total Indoor Comfort594.7★ (170)18 mi
40A1 HVAC & Plumbing594.9★ (94)17 mi
41RPB HVAC LLC594.9★ (42)12 mi
42A&S HVAC584.7★ (23)8 mi
43Artisan Home Services585.0★ (180)23 mi
44Home Comfort & Beyond585.0★ (11)5 mi
45Why Pay More HVAC LLC584.6★ (17)6 mi
46Keystone HVAC Inc584.6★ (22)8 mi
47R.P.B. HVAC584.8★ (35)12 mi
48AOK Heating Air Conditioning Electrical584.9★ (69)18 mi
49Remco Inc584.0★ (31)8 mi
50Fresh-Aire LLC585.0★ (19)11 mi

How we ranked emergency HVAC contractors in Fullerton

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 Fullerton: questions

Which HVAC contractors in Fullerton are open 24/7?

25 on this list post 24/7 hours, including Maitz Home Services, Curtis Total Service, UGI Heating, Cooling & Plumbing, Burkholder's Heating & Air Conditioning Inc. and Services United HVAC.

Who is ranked #1 for emergency heating and cooling in Fullerton, PA?

Maitz Home Services is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Fullerton 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 Fullerton

  1. October 2026: CR Scores recalculated for 292 hvac contractors serving Fullerton.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages