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Emergency HVAC Contractors in Warrenton, VA (2026)

Top 50 of 227 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 Warrenton: Appleton Campbell, 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 Warrenton at a glance

Top emergency HVAC contractors in Warrenton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Appleton Campbell674.9★ (6,454)Warrenton24/7
2CroppMetcalfe664.9★ (2,082)Warrenton24/7
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical644.8★ (17,172)Manassas, 14 mi away24/7
4Fauquier Mechanical: Heating & Cooling Specialists645.0★ (391)Warrenton24/7
5Service First Heating & Air645.0★ (323)Warrenton24/7
6Aire Serv of Bull Run634.8★ (304)Warrenton24/7
7Reddick & Sons, Inc635.0★ (3,027)Manassas, 15 mi away24/7
8Creators of Total Comfort Mechanical, Inc625.0★ (117)Gainesville, 1 mi away24/7
9Parrish Services624.8★ (1,816)Manassas, 13 mi away24/7
10ARS / Rescue Rooter614.5★ (5,934)Manassas, 19 mi away24/7

Call an emergency HVAC contractor in Warrenton 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 Warrenton, 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 227 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 Warrenton

    #1 Appleton Campbell

    Based in Warrenton

    67/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 6,454 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 6,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    285 Alwington Blvd, Warrenton, VA 20186
    View profile for Appleton Campbell(540) 347-0765

  2. #2 CroppMetcalfe

    Based in Warrenton

    66/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,082 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,082 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6649 Garland Dr UNIT 2, Warrenton, VA 20187
    View profile for CroppMetcalfe(540) 347-3024

  7. #7 Reddick & Sons, Inc

    Based in Manassas, 15 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 3,027 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 3,027 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10150 Pennsylvania Ave, Manassas, VA 20110
    View profile for Reddick & Sons, Inc(703) 348-9881

  9. #9 Parrish Services

    Based in Manassas, 13 mi away

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 1,816 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,816 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8740 Virginia Meadows Dr, Manassas, VA 20109
    View profile for Parrish Services(571) 946-6549

  10. #10 ARS / Rescue Rooter

    Based in Manassas, 19 mi away

    61/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.5★ from 5,934 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 5,934 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9070 Euclid Ave, Manassas, VA 20110
    View profile for ARS / Rescue Rooter(703) 574-9936

  13. #13 Able Heating & Air

    Based in Culpeper, 19 mi away

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 696 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 696 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16033 Ira Hoffman Ln, Culpeper, VA 22701
    View profile for Able Heating & Air(540) 718-7556

  15. #15 Pride

    Based in Manassas, 17 mi away

    59/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.7★ from 616 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 616 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7206 South Hill Dr., Manassas, VA 20109
    View profile for Pride(855) 975-6045

  16. #16 POPE'S AIR

    Based in Manassas, 14 mi away

    59/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 235 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 235 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9002 Hornbaker Rd, Manassas, VA 20109
    View profile for POPE'S AIR(703) 551-0507

  18. #18 Express Tech Air

    Based in Manassas, 18 mi away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 213 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 213 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9108 Church St suite 10258, Manassas, VA 20110
    View profile for Express Tech Air(571) 901-1039

Top 50 of 227 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 Warrenton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mast Services LLC585.0★ (118)18 mi
27Belmont Heating Ac Repair585.0★ (46)12 mi
28My Appliance Tech llc584.5★ (188)15 mi
29Able Appliance & HVAC Service574.5★ (81)12 mi
30Brothers Mechanical Services®574.7★ (82)14 mi
31Standard Air Heating and Air Conditioning574.9★ (156)20 mi
32RC Mechanical Service LLC575.0★ (34)13 mi
33Air LLC575.0★ (77)18 mi
34Repair 24/7574.5★ (77)14 mi
35Woody's Sudden Service574.9★ (109)20 mi
36Comfort Defender Heating & Air574.9★ (187)24 mi
37Sultan Comfort Solutions575.0★ (147)24 mi
38A-Advanced Home Services564.3★ (245)19 mi
39Central Mechanical Services LLC565.0★ (12)11 mi
40Fast Track Repair Service565.0★ (56)22 mi
41Universal Heat & Air LLC565.0★ (75)23 mi
42Maximum Mechanical Hvac565.0★ (10)13 mi
43Pro Sky AC&Heating564.9★ (77)23 mi
44Aircon HVAC Solutions565.0★ (33)19 mi
45SUNRISE555.0★ (20)18 mi
46Virginia Air Heating & Cooling Inc555.0★ (32)21 mi
47United Air Temp554.5★ (77)22 mi
48X&M Heating & Cooling LLC555.0★ (37)23 mi
49Kelvin Services554.8★ (50)24 mi
50T&T Associates, Inc.554.9★ (43)24 mi

How we ranked emergency HVAC contractors in Warrenton

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 Warrenton: questions

Which HVAC contractors in Warrenton are open 24/7?

25 on this list post 24/7 hours, including Appleton Campbell, CroppMetcalfe, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, Fauquier Mechanical: Heating & Cooling Specialists and Service First Heating & Air.

Who is ranked #1 for emergency heating and cooling in Warrenton, VA?

Appleton Campbell is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Warrenton 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 Warrenton

  1. October 2026: CR Scores recalculated for 227 hvac contractors serving Warrenton.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages