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Emergency HVAC Contractors in Mount Vernon, OH (2026)

Top 50 of 84 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 Vernon: Cosby Heating and Cooling, 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 Vernon at a glance

Top emergency HVAC contractors in Mount Vernon at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cosby Heating and Cooling664.9★ (500)Mount Vernon24/7
2Peterman Brothers Heating Cooling Plumbing664.7★ (484)Mount Vernon24/7
3MAC Heating & Cooling634.8★ (68)Mount Vernon24/7
4Foster's Heating & Air624.9★ (139)Canton, 10 mi away24/7
5Dor Mar Heating & Air Conditioning614.6★ (1,591)Newark, 24 mi away24/7
6Payne's Heating & Cooling615.0★ (23)Mount Vernon24/7
7Roberts Heating and Cooling615.0★ (71)Covington, 10 mi away24/7
8Westin Air Heating and Cooling - Sunbury Ohio615.0★ (355)Sunbury, 23 mi away24/7
9Apex Pros Plumbing, Electrical, Heating and Air604.8★ (549)Newark, 24 mi away24/7
10Xtreme Air LLC605.0★ (15)Mount Vernon24/7

Call an emergency HVAC contractor in Mount Vernon 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 Vernon, 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 84 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.

  6. #6 Payne's Heating & Cooling

    Based in Mount Vernon

    61/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Heating contractor”.

    • 5.0★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8684 Columbus Rd, Mt Vernon, OH 43050
    View profile for Payne's Heating & Cooling

  10. #10 Xtreme Air LLC

    Based in Mount Vernon

    60/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 15 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    506 Harcourt Rd, Mt Vernon, OH 43050
    View profile for Xtreme Air LLC(740) 403-1901

  11. #11 Sensible Air

    Based in Portsmouth, 10 mi away

    60/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 43 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Sensible Air(740) 352-6578

  16. #16 Roy Mechanical LLC

    Based in Newark, 24 mi away

    58/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 163 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 163 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2112 Cherry Valley Rd suite E2, Newark, OH 43055
    View profile for Roy Mechanical LLC(740) 762-4871

  22. #22 Whole Home Comfort

    Based in New Albany, 17 mi away

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.5★ from 39 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 39 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8785 Crouse-Willison Rd, Johnstown, OH 43031
    View profile for Whole Home Comfort(614) 439-3990

  25. #25 E&J HVAC

    Based in Lancaster, 10 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “HVAC contractor”.

    • 4.3★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for E&J HVAC(740) 409-3263

Top 50 of 84 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 Vernon, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Right Way Heating & Cooling564.8★ (57)25 mi
27Bryant Heating, Cooling, & Refrigeration564.4★ (62)24 mi
28C Gazda Heating & Hvac, AC Co Inc564.2★ (5)10 mi
29Heating & Cooling Products553.7★ (15)In Mount Vernon
30Titan Home Services555.0★ (28)25 mi
31Set Point Heating and Cooling554.7★ (15)20 mi
32Cardinal Heating & Cooling, LLC555.0★ (19)24 mi
33Baumberger Heating & Cooling543.7★ (51)25 mi
34Aire Serv of Mansfield534.9★ (10)25 mi
35Allied Restaurant Services of Ohio534.3★ (12)25 mi
36Alan's Comfort Control465.0★ (165)In Mount Vernon
37RACR Heating & Cooling455.0★ (3)10 mi
38Housh - The Home Energy Experts445.0★ (186)10 mi
39True North433.3★ (15)20 mi
40Neumann Heating & Cooling425.0★ (7)24 mi
41Friend HVAC Solutions414.9★ (45)10 mi
42Better Service LLC404.4★ (9)In Mount Vernon
43Miller Plumbing Heating & AC404.3★ (17)20 mi
44Bryant Heating & Cooling404.7★ (27)10 mi
45Cincy Climate Control405.0★ (21)10 mi
46Luikart Heating and Cooling, Inc.404.9★ (159)24 mi
47EZ HEAT Heating, Cooling & Plumbing404.9★ (66)18 mi
48Houston Plumbing & Heating404.8★ (190)24 mi
49B.A.Smith Services395.0★ (14)10 mi
50C&C Mechanical, LLC394.9★ (14)10 mi

How we ranked emergency HVAC contractors in Mount Vernon

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 Vernon: questions

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

25 on this list post 24/7 hours, including Cosby Heating and Cooling, Peterman Brothers Heating Cooling Plumbing, MAC Heating & Cooling, Foster's Heating & Air and Dor Mar Heating & Air Conditioning.

Who is ranked #1 for emergency heating and cooling in Mount Vernon, OH?

Cosby Heating and Cooling is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Mount Vernon 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?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Mount Vernon

  1. October 2026: CR Scores recalculated for 84 hvac contractors serving Mount Vernon.

More emergency and heating and cooling pages