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Emergency HVAC Contractors in Bethlehem, PA (2026)

Top 25 of 337 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 25 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 Bethlehem: Services United HVAC, 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 Bethlehem at a glance

Top emergency HVAC contractors in Bethlehem at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Services United HVAC664.9★ (1,051)Bethlehem24/7
2Haller Enterprises664.7★ (1,085)Bethlehem24/7
3Maitz Home Services654.7★ (3,032)Allentown, 9 mi away24/7
4Carl Volkman And Sons HVAC LLC644.9★ (518)Hellertown, 4 mi away24/7
5Curtis Total Service644.6★ (851)Allentown, 3 mi away24/7
6Comfort Solutions HVAC644.9★ (926)Easton, 9 mi away24/7
7Burkholder's Heating & Air Conditioning Inc.634.7★ (1,115)Emmaus, 9 mi away24/7
8UGI Heating, Cooling & Plumbing634.7★ (427)Whitehall Township, 5 mi away24/7
9Family Heating & Cooling634.7★ (251)Hellertown, 4 mi away24/7
10Dual Temp Co., Inc.624.9★ (220)Allentown, 7 mi away24/7

Call an emergency HVAC contractor in Bethlehem 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 25 emergency HVAC contractors in Bethlehem, 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 337 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 Bethlehem

    #1 Services United HVAC

    Based in Bethlehem

    66/100CR Score

    Ranked #1 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

  2. #2 Haller Enterprises

    Based in Bethlehem

    66/100CR Score

    Ranked #2 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

  3. #3 Maitz Home Services

    Based in Allentown, 9 mi away

    65/100CR Score

    Ranked #3 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

  5. #5 Curtis Total Service

    Based in Allentown, 3 mi away

    64/100CR Score

    Ranked #5 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

  10. #10 Dual Temp Co., Inc.

    Based in Allentown, 7 mi away

    62/100CR 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

  13. #13 Lowry Services

    Based in Harleysville, 25 mi away

    62/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.8★ from 4,471 Google reviews.

    • 4.8★ from 4,471 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    101 Christopher Ln, Harleysville, PA 19438
    View profile for Lowry Services(888) 270-4617

  19. #19 Coolez Hvac

    Based in Hellertown, 4 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 57 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4191 Sherry Hill Rd, Hellertown, PA 18055
    View profile for Coolez Hvac(484) 403-6558

  23. #23 A&S HVAC

    Based in Bethlehem

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6761 Chrisphalt Dr, Bath, PA 18014
    View profile for A&S HVAC(484) 281-3880

How we ranked emergency HVAC contractors in Bethlehem

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 Bethlehem: questions

Which HVAC contractors in Bethlehem are open 24/7?

25 on this list post 24/7 hours, including Services United HVAC, Haller Enterprises, Maitz Home Services, Carl Volkman And Sons HVAC LLC and Curtis Total Service.

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

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

How are emergency HVAC contractors in Bethlehem 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 Bethlehem

  1. October 2026: CR Scores recalculated for 337 hvac contractors serving Bethlehem.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages