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Emergency HVAC Contractors in Purcellville, VA (2026)

Top 50 of 259 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 Purcellville: M.E. Flow, 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 Purcellville at a glance

Top emergency HVAC contractors in Purcellville at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1M.E. Flow654.8★ (3,718)Leesburg, 10 mi away24/7
2Snell Home Services644.8★ (5,283)Sterling, 18 mi away24/7
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical634.8★ (2,314)Ashburn, 15 mi away24/7
4AllTech Services, Inc634.9★ (2,807)Sterling, 18 mi away24/7
5Cardinal Plumbing Heating & Air Inc634.9★ (2,958)Sterling, 19 mi away24/7
6Meade's Heating and Air625.0★ (710)Ashburn, 14 mi away24/7
7Meade's Heating and Air625.0★ (1,428)Sterling, 18 mi away24/7
8United Air Temp624.8★ (2,161)Sterling, 19 mi away24/7
9Michael & Son Services624.9★ (1,501)Sterling, 18 mi away24/7
10John Nugent & Sons624.8★ (1,701)Sterling, 18 mi away24/7

Call an emergency HVAC contractor in Purcellville 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 Purcellville, 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 259 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 Purcellville

    #1 M.E. Flow

    Based in Leesburg, 10 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,718 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,718 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12 Cardinal Park Dr SE STE 107, Leesburg, VA 20175
    View profile for M.E. Flow(571) 322-8847

  4. #4 AllTech Services, Inc

    Based in Sterling, 18 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,807 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,807 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    101-A Executive Dr STE 200, Sterling, VA 20166
    View profile for AllTech Services, Inc(703) 214-2940

  8. #8 United Air Temp

    Based in Sterling, 19 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 2,161 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,161 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    45570 Shepard Dr Ste. #6, Sterling, VA 20164
    View profile for United Air Temp(571) 888-8078

  10. #10 John Nugent & Sons

    Based in Sterling, 18 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,701 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,701 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    45921 Maries Rd, Sterling, VA 20166
    View profile for John Nugent & Sons(571) 506-5228

  15. #15 GT Mechanical

    Based in Purcellville

    61/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 27 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2 Cinnamon Fern Rd, Round Hill, VA 20141
    View profile for GT Mechanical(571) 206-2086

  19. #19 Premier Home Comfort

    Based in Ashburn, 16 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 226 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 226 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    22645 Upperville Heights Square, Ashburn, VA 20148
    View profile for Premier Home Comfort(703) 994-1191

  22. #22 Powell's Plumbing & Air

    Based in Winchester, 24 mi away

    60/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 1,265 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.8★ from 1,265 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    152 Windy Hill Ln, Winchester, VA 22602
    View profile for Powell's Plumbing & Air(540) 579-5562

  23. #23 United Air Temp

    Based in Frederick, 21 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 928 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 928 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5305 Jefferson Pike Suite 5, Frederick, MD 21703
    View profile for United Air Temp(240) 680-9304

Top 50 of 259 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 Purcellville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical604.8★ (932)24 mi
27Clover Contracting: Plumbing, HVAC & Air Purification594.9★ (156)15 mi
28Mountain Valley Home Comfort594.9★ (542)24 mi
29Making Air Right594.9★ (361)22 mi
30Premier HVAC LLC595.0★ (230)21 mi
31Conde Tech Services, LLC595.0★ (166)20 mi
32R A Dobson Inc594.8★ (164)18 mi
33Airtron Heating & Air Conditioning584.5★ (724)23 mi
34Small Solutions584.9★ (338)25 mi
35Dave's Heating & Air Conditioning584.8★ (138)19 mi
36Sultan Comfort Solutions585.0★ (147)22 mi
37Urbana HVAC585.0★ (182)24 mi
38AllTech Services, Inc584.9★ (186)24 mi
39VIP General HVAC Services585.0★ (25)12 mi
40Wyant Service Experts584.8★ (165)22 mi
41911Air-Care575.0★ (81)20 mi
42ARS / Rescue Rooter574.8★ (196)24 mi
43J R's Plumbing574.5★ (38)13 mi
44T&T Associates, Inc.574.9★ (43)17 mi
45Absolute HVAC Guys LLC574.6★ (226)23 mi
46Loudoun Heating & Air Conditioning574.3★ (6)5 mi
47Premier Hvac Mechanical Inc575.0★ (7)7 mi
48Wenbrooke Services AC Repair, Plumbing, Heating and Electrician575.0★ (111)25 mi
49Fairfax Cooling & Heating Company574.7★ (106)22 mi
50Pro Sky AC&Heating574.9★ (77)22 mi

How we ranked emergency HVAC contractors in Purcellville

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 Purcellville: questions

Which HVAC contractors in Purcellville are open 24/7?

25 on this list post 24/7 hours, including M.E. Flow, Snell Home Services, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, AllTech Services, Inc and Cardinal Plumbing Heating & Air Inc.

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

M.E. Flow is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Purcellville 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 Purcellville

  1. October 2026: CR Scores recalculated for 259 hvac contractors serving Purcellville.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages