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Emergency HVAC Contractors in Mount Carmel, TN (2026)

Top 50 of 84 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

24 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 Carmel: Steve Huff Plumbing, Heating & Air, 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 Carmel at a glance

Top emergency HVAC contractors in Mount Carmel at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Steve Huff Plumbing, Heating & Air654.8★ (3,498)Kingsport, 12 mi away24/7
2Hometown Plumbing, Electrical, & HVAC634.8★ (1,503)Kingsport, 14 mi away24/7
3AAA-1 Heating & Cooling624.7★ (434)Kingsport, 12 mi away24/7
4Gilliam's Heating & Cooling604.7★ (77)Kingsport, 8 mi away24/7
5Rogan's HVACR605.0★ (60)Church Hill, 10 mi away24/7
6Integrity Heat And Air595.0★ (53)Bloomingdale, 12 mi away24/7
7Kingsport Heating & Air Conditioning593.9★ (147)Kingsport, 8 mi away24/7
8Custom Heating and Air Conditioning of Kingsport584.4★ (11)Kingsport, 3 mi away24/7
9Majestic Air584.6★ (49)Kingsport, 12 mi away24/7
10Heat Pump Kingsport584.8★ (13)Bloomingdale, 7 mi away24/7

Call an emergency HVAC contractor in Mount Carmel 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 Carmel, 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.

  3. #3 AAA-1 Heating & Cooling

    Based in Kingsport, 12 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 434 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 434 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5082 Fort Henry Dr, Kingsport, TN 37663
    View profile for AAA-1 Heating & Cooling(423) 416-2221

  4. #4 Gilliam's Heating & Cooling

    Based in Kingsport, 8 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 77 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2013 US-23 S, Weber City, VA 24290
    View profile for Gilliam's Heating & Cooling(423) 323-4700

  5. #5 Rogan's HVACR

    Based in Church Hill, 10 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 60 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Rogan's HVACR(423) 491-1775

  6. #6 Integrity Heat And Air

    Based in Bloomingdale, 12 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Integrity Heat And Air(423) 817-9594

  9. #9 Majestic Air

    Based in Kingsport, 12 mi away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.6★ from 49 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 49 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    113 Witherspoon Dr #2, Kingsport, TN 37663
    View profile for Majestic Air(423) 391-7688

  10. #10 Heat Pump Kingsport

    Based in Bloomingdale, 7 mi away

    58/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 13 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Heat Pump Kingsport(423) 546-4011

  12. #12 Joe Cool Heating and Air

    Based in Bristol, 22 mi away

    57/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 90 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 90 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4305 Bluff City Hwy, Bluff City, TN 37618
    View profile for Joe Cool Heating and Air(423) 482-2488

  13. #13 Mid Mountain Heating & Cooling

    Based in Big Stone Gap, 21 mi away

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 77 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1217 Orby Cantrell Hwy, Big Stone Gap, VA 24219
    View profile for Mid Mountain Heating & Cooling(276) 523-1845

  16. #16 Precision HVAC

    Based in Bristol, 16 mi away

    55/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 11 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Precision HVAC(423) 579-5972

  19. #19 Mize Heating & Cooling Inc

    Based in Bristol, 22 mi away

    55/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    213 Maplehurst Ln, Bluff City, TN 37618
    View profile for Mize Heating & Cooling Inc(423) 914-9517

  20. #20 Knots Heating & Air

    Based in Jonesborough, 20 mi away

    54/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    203 S Cherokee St, Jonesborough, TN 37659
    View profile for Knots Heating & Air(423) 557-3748

  21. #21 HEP is on the way

    Based in Johnson City, 20 mi away

    54/100CR Score

    Ranked #21 because of its Google rating and review volume: 4.9★ from 532 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 532 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3119 Bristol Hwy suite 303, Johnson City, TN 37601
    View profile for HEP is on the way(423) 405-4542

  22. #22 Magister Mechanical Services

    Based in Bristol, 21 mi away

    53/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    377 Cook Hollow Rd, Bristol, TN 37620
    View profile for Magister Mechanical Services(423) 383-7300

  23. #23 ATECH, Inc.

    Based in Johnson City, 20 mi away

    52/100CR Score

    Ranked #23 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 2.3★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3101 Browns Mill Rd, Johnson City, TN 37604
    View profile for ATECH, Inc.(423) 979-0069

  24. #24 Paragon Plumbing and HVAC

    Based in Kingsport, 9 mi away

    52/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    516 Morelock St E, Kingsport, TN 37660
    View profile for Paragon Plumbing and HVAC(423) 214-3887

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 Carmel, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Lane Thompson Heating Cooling455.0★ (11)16 mi
27Custom Heating and Air Conditioning454.7★ (399)3 mi
28Action Cooling & Heating454.8★ (6)13 mi
29McLain Heating, Cooling, and Electrical444.9★ (430)8 mi
30Tri-City Air Conditioning Co444.8★ (1,182)14 mi
31Stallard and Son Heating & Cooling444.9★ (104)2 mi
32Phil's Heating and Air434.9★ (558)14 mi
33Lafayette Heat & Air Conditioning434.5★ (247)5 mi
34John Legg's Heating & Air434.8★ (660)16 mi
35Quality Heat & Aire435.0★ (113)8 mi
36Newman Air424.8★ (1,067)21 mi
37Air Comfort Services425.0★ (162)13 mi
38Bean Heating Cooling & Appliance Repair425.0★ (66)8 mi
39Innovative Air415.0★ (390)21 mi
40ATC Cooling & Heating414.8★ (142)13 mi
41Apex Heating and Air414.9★ (33)6 mi
42Johnny's Electrical & HVAC414.6★ (85)9 mi
43Gross Mechanical413.3★ (3)22 mi
44TriCities Electric405.0★ (170)20 mi
45IDM HEATING,COOLING AND PLUMBING405.0★ (41)12 mi
46AAA+ HVACR Services llc404.8★ (274)23 mi
47Gray Matter Cooling LLC405.0★ (40)12 mi
48Hale Heating and Cooling405.0★ (46)13 mi
49Heating and Cooling404.8★ (17)6 mi
50Southern Comfort Heating and Cooling404.9★ (44)13 mi

How we ranked emergency HVAC contractors in Mount Carmel

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 Carmel: questions

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

24 on this list post 24/7 hours, including Steve Huff Plumbing, Heating & Air, Hometown Plumbing, Electrical, & HVAC, AAA-1 Heating & Cooling, Gilliam's Heating & Cooling and Rogan's HVACR.

Who is ranked #1 for emergency heating and cooling in Mount Carmel, TN?

Steve Huff Plumbing, Heating & Air is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Mount Carmel 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 Carmel

  1. October 2026: CR Scores recalculated for 84 hvac contractors serving Mount Carmel.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages