Skip to content
ContractorsRanked

Emergency HVAC Contractors in Mount Joy, PA (2026)

Top 50 of 282 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 Mount Joy: One Hour Heating & Air Conditioning, 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 Mount Joy at a glance

Top emergency HVAC contractors in Mount Joy at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1One Hour Heating & Air Conditioning664.8★ (4,089)Lancaster, 8 mi away24/7
2Neffsville Plumbing, Heating & Cooling Services654.8★ (3,829)Lancaster, 10 mi away24/7
3Home Climates Inc654.8★ (1,892)Elizabethtown, 7 mi away24/7
4Topline Heating & Air644.8★ (2,281)Lancaster, 11 mi away24/7
5Ranck Plumbing, Heating, AC & Excavation644.8★ (930)Lancaster, 8 mi away24/7
6JK Mechanical634.9★ (1,332)Willow Street, 14 mi away24/7
7Haller Enterprises634.8★ (2,011)York, 16 mi away24/7
8HL Bowman Inc Plumbing Heating & AC634.8★ (4,616)Harrisburg, 21 mi away24/7
9HB McClure/HB Home Service Team624.9★ (3,108)Harrisburg, 22 mi away24/7
10HL Bowman Inc Plumbing Heating & AC624.8★ (1,156)Red Lion, 15 mi away24/7

Call an emergency HVAC contractor in Mount Joy 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 Mount Joy, 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 282 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 Home Climates Inc

    Based in Elizabethtown, 7 mi away

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,892 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,892 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    76 Hershey Rd, Elizabethtown, PA 17022
    View profile for Home Climates Inc(717) 689-4151

  6. #6 JK Mechanical

    Based in Willow Street, 14 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,332 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,332 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    202 W Kendig Rd, Willow Street, PA 17584
    View profile for JK Mechanical(717) 464-0111

  7. #7 Haller Enterprises

    Based in York, 16 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 2,011 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,011 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    801 Loucks Rd #1927, York, PA 17404
    View profile for Haller Enterprises(717) 885-8007

  12. #12 Haller Enterprises

    Based in Harrisburg, 19 mi away

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 1,545 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,545 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4330 Lewis Rd Suite #2, Harrisburg, PA 17111
    View profile for Haller Enterprises(717) 547-0699

  17. #17 Hanes Mechanical

    Based in Elizabethtown, 6 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 89 Google reviews, listed on Google as “Heating contractor”.

    • 4.8★ from 89 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1086 W Bainbridge St, Elizabethtown, PA 17022
    View profile for Hanes Mechanical(717) 366-0311

  23. #23 Prime Home HVAC

    Based in York, 14 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 117 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 117 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    52 Grumbacher Rd STE 52-2, York, PA 17406
    View profile for Prime Home HVAC(717) 462-7855

  24. #24 Cool Masters

    Based in York, 11 mi away

    59/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.8★ from 93 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 93 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3610 Ridgewood Rd, York, PA 17406
    View profile for Cool Masters(717) 755-7611

Top 50 of 282 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 Mount Joy, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Leaps & Bounds Heating and Cooling594.9★ (462)23 mi
27W.C. Eshenaur & Son, Inc.594.6★ (471)19 mi
28Wisner Mechanical595.0★ (8)In Mount Joy
29N.S. Johnson, Inc584.9★ (74)15 mi
30DMV Mechanical Company585.0★ (39)12 mi
31Advanced Heating, Cooling, and Plumbing LLC585.0★ (82)17 mi
32DP Mechanical585.0★ (16)7 mi
33Superheat Refrigeration, LLC584.8★ (16)6 mi
34Yorktowne Industrial Solutions584.9★ (31)11 mi
35Express Plumbing, Heating and Air Conditioning585.0★ (46)15 mi
36Triangle Refrigeration584.6★ (63)14 mi
37Sweitzer HVAC & Plumbing LLC584.8★ (45)14 mi
38Thermotech Inc.574.9★ (172)24 mi
39UGI Heating, Cooling & Plumbing574.5★ (204)21 mi
40weather tech solutions (hvac)575.0★ (20)12 mi
41Pronto Plumbing Heating Air Drains574.8★ (2,408)24 mi
42Scott's H Plumbing574.6★ (33)13 mi
43Thermal Logistics, Inc574.9★ (60)20 mi
44Williams Service Company574.2★ (66)14 mi
45The Witmer Company574.7★ (110)22 mi
46High Efficiency Solutions LLC574.8★ (14)11 mi
47Doug Noel Heating and Air Conditioning575.0★ (18)14 mi
48Fish & Buch Heating & Air Conditioning574.6★ (14)11 mi
49One Way Mechanical, LLC565.0★ (15)13 mi
50Dutch Heating Inc564.6★ (32)17 mi

How we ranked emergency HVAC contractors in Mount Joy

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 Mount Joy: questions

Which HVAC contractors in Mount Joy are open 24/7?

25 on this list post 24/7 hours, including One Hour Heating & Air Conditioning, Neffsville Plumbing, Heating & Cooling Services, Home Climates Inc, Topline Heating & Air and Ranck Plumbing, Heating, AC & Excavation.

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

One Hour Heating & Air Conditioning is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Mount Joy 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 Mount Joy

  1. October 2026: CR Scores recalculated for 282 hvac contractors serving Mount Joy.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages