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Emergency HVAC Contractors in Wolf Trap, VA (2026)

Top 50 of 1,090 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 Wolf Trap: CroppMetcalfe, 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 Wolf Trap at a glance

Top emergency HVAC contractors in Wolf Trap at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1CroppMetcalfe664.8★ (7,638)Fairfax, 5 mi away24/7
2Michael & Son Services654.7★ (15,537)Alexandria, 12 mi away24/7
3Snell Home Services644.8★ (5,283)Sterling, 9 mi away24/7
4Cardinal Plumbing Heating & Air Inc644.9★ (2,958)Sterling, 8 mi away24/7
5OHA HVAC, Plumbing, Chimney & Fireplaces644.9★ (1,794)Fairfax, 5 mi away24/7
6AllTech Services, Inc644.9★ (2,807)Sterling, 9 mi away24/7
7GAC Services644.9★ (6,908)Gaithersburg, 15 mi away24/7
8F.H. Furr Plumbing, Heating, Air Conditioning & Electrical634.8★ (17,172)Manassas, 18 mi away24/7
9John C. Flood634.8★ (4,976)Alexandria, 12 mi away24/7
10Meade's Heating and Air635.0★ (1,428)Sterling, 9 mi away24/7

Call an emergency HVAC contractor in Wolf Trap 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 Wolf Trap, 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 1,090 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 Wolf Trap

    #1 CroppMetcalfe

    Based in Fairfax, 5 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 7,638 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 7,638 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8421 Hilltop Rd, Fairfax, VA 22031
    View profile for CroppMetcalfe(703) 420-5030

  2. #2 Michael & Son Services

    Based in Alexandria, 12 mi away

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 15,537 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 15,537 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5740 General Washington Dr, Alexandria, VA 22312
    View profile for Michael & Son Services(800) 948-6453

  3. #3 Snell Home Services

    Based in Sterling, 9 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 5,283 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 5,283 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    22977 Eaglewood Ct STE 130, Sterling, VA 20166
    View profile for Snell Home Services(571) 470-7206

  6. #6 AllTech Services, Inc

    Based in Sterling, 9 mi away

    64/100CR Score

    Ranked #6 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

  7. #7 GAC Services

    Based in Gaithersburg, 15 mi away

    64/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 6,908 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 6,908 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    227 E Deer Park Dr, Gaithersburg, MD 20877
    View profile for GAC Services(301) 202-1641

  9. #9 John C. Flood

    Based in Alexandria, 12 mi away

    63/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 4,976 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 4,976 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6430 General Green Way, Alexandria, VA 22312
    View profile for John C. Flood(571) 605-7008

  11. #11 United Air Temp

    Based in Sterling, 8 mi away

    63/100CR Score

    Ranked #11 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

  12. #12 Michael & Son Services

    Based in Sterling, 9 mi away

    63/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,501 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,501 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    45681 Oakbrook Ct STE 101, Sterling, VA 20166
    View profile for Michael & Son Services(703) 289-0565

  13. #13 Nelson's HVAC, LLC

    Based in Vienna, 4 mi away

    63/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 627 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 627 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9226 Dellwood Dr, Vienna, VA 22180
    View profile for Nelson's HVAC, LLC(703) 241-7181

  16. #16 John Nugent & Sons

    Based in Sterling, 9 mi away

    63/100CR Score

    Ranked #16 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

  23. #23 Reddick & Sons, Inc

    Based in Manassas, 19 mi away

    62/100CR Score

    Ranked #23 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

  24. #24 ARS / Rescue Rooter

    Based in Manassas, 15 mi away

    62/100CR Score

    Ranked #24 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

  25. #25 M.E. Flow

    Based in Leesburg, 18 mi away

    62/100CR Score

    Ranked #25 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

Top 50 of 1,090 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 Wolf Trap, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Argent Heating Cooling and Plumbing624.7★ (392)5 mi
27B&B Air Conditioning & Heating Service625.0★ (357)8 mi
28Air 1 Mechanical Heating and Cooling624.9★ (440)9 mi
29Michael & Son Services624.8★ (993)12 mi
30Premier HVAC LLC625.0★ (230)6 mi
31Meade's Heating and Air615.0★ (710)13 mi
32United Air Temp614.8★ (1,318)13 mi
33Cyprus Air Heating, Cooling and Fireplaces614.7★ (1,402)12 mi
34Michael Bonsby HVAC, Plumbing & Electrical614.8★ (2,083)17 mi
35Presidential, Inc.614.9★ (1,701)17 mi
36United Air Temp614.4★ (4,301)15 mi
37Vito Services614.7★ (1,351)13 mi
38Pro Sky Services615.0★ (484)13 mi
39Sila Heating, Air Conditioning & Plumbing614.8★ (295)8 mi
40Vernon The Heating & Cooling Specialist614.8★ (837)13 mi
41McCarthy Services614.4★ (3,547)15 mi
42Parker Pearce Service Experts614.8★ (1,700)17 mi
43Caribbean Cooling & Heating615.0★ (55)1 mi
44AVS Heating and Air Conditioning614.8★ (149)5 mi
45United Air Temp614.8★ (95)3 mi
46Zone Control615.0★ (104)5 mi
47Parrish Services614.8★ (1,816)19 mi
48Comfort Defender Heating & Air604.9★ (187)9 mi
49Sultan Comfort Solutions605.0★ (147)8 mi
50United Air Temp604.9★ (313)11 mi

How we ranked emergency HVAC contractors in Wolf Trap

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 Wolf Trap: questions

Which HVAC contractors in Wolf Trap are open 24/7?

25 on this list post 24/7 hours, including CroppMetcalfe, Michael & Son Services, Snell Home Services, Cardinal Plumbing Heating & Air Inc and OHA HVAC, Plumbing, Chimney & Fireplaces.

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

CroppMetcalfe is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Wolf Trap 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 Wolf Trap

  1. October 2026: CR Scores recalculated for 1,090 hvac contractors serving Wolf Trap.
  2. October 2026: 11 duplicate listings merged.

More emergency and heating and cooling pages