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Emergency HVAC Contractors in Dale City, VA (2026)

Top 50 of 749 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 Dale City: Michael Bonsby HVAC, Plumbing and Electrical, 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 Dale City at a glance

Top emergency HVAC contractors in Dale City at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Michael Bonsby HVAC, Plumbing and Electrical654.8★ (2,138)Dale City24/7
2Leonard Splaine Co.654.9★ (1,060)Dale City24/7
3United Air Temp654.7★ (1,754)Dale City24/7
4F.H. Furr Plumbing, Heating, Air Conditioning & Electrical644.8★ (17,172)Manassas, 15 mi away24/7
5Michael & Son Services644.7★ (15,537)Alexandria, 13 mi away24/7
6F.H. Furr Plumbing, Heating, Air Conditioning & Electrical644.7★ (4,469)Lorton, 9 mi away24/7
7Alex Hvac Service LLC634.9★ (310)Dale City24/7
8Reddick & Sons, Inc635.0★ (3,027)Manassas, 13 mi away24/7
9John C. Flood634.8★ (4,976)Alexandria, 14 mi away24/7
10CroppMetcalfe634.8★ (7,638)Fairfax, 17 mi away24/7

Call an emergency HVAC contractor in Dale City 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 Dale City, 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 749 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.

  2. #2 Leonard Splaine Co.

    Based in Dale City

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,060 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,060 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13300 Occoquan Rd, Woodbridge, VA 22191
    View profile for Leonard Splaine Co.(703) 914-3791

  3. #3 United Air Temp

    Based in Dale City

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 1,754 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,754 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12662 Lake Ridge Dr STE B, Woodbridge, VA 22192
    View profile for United Air Temp(866) 739-5179

  5. #5 Michael & Son Services

    Based in Alexandria, 13 mi away

    64/100CR Score

    Ranked #5 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

  8. #8 Reddick & Sons, Inc

    Based in Manassas, 13 mi away

    63/100CR Score

    Ranked #8 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 John C. Flood

    Based in Alexandria, 14 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

  10. #10 CroppMetcalfe

    Based in Fairfax, 17 mi away

    63/100CR Score

    Ranked #10 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

  11. #11 ARS / Rescue Rooter

    Based in Manassas, 12 mi away

    63/100CR Score

    Ranked #11 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

  12. #12 DR HVAC Inc

    Based in Dumfries, 3 mi away

    63/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 348 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 348 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3424 Belleplain Ct, Dumfries, VA 22026
    View profile for DR HVAC Inc(703) 869-9524

  15. #15 McCarthy Services

    Based in Springfield, 9 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.4★ from 3,547 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 3,547 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7435 Boston Blvd, Springfield, VA 22153
    View profile for McCarthy Services(703) 682-0528

  16. #16 United Air Temp

    Based in Lorton, 10 mi away

    62/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.4★ from 4,301 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 4,301 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6900 Hill Park Dr, Lorton, VA 22079
    View profile for United Air Temp(703) 688-9494

  18. #18 M.E. Flow

    Based in Lorton, 9 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 866 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 866 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7200 Telegraph Square Dr, Lorton, VA 22079
    View profile for M.E. Flow(571) 470-7235

  19. #19 M.E. Flow

    Based in Lorton, 9 mi away

    62/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.7★ from 1,169 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,169 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8580 Cinder Bed Rd #200, Lorton, VA 22079
    View profile for M.E. Flow(571) 350-3183

  23. #23 United Air Temp

    Based in Alexandria, 13 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,318 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,318 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6094 Franconia Rd # B, Alexandria, VA 22310
    View profile for United Air Temp(703) 762-2488

Top 50 of 749 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 Dale City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26OHA HVAC, Plumbing, Chimney & Fireplaces614.9★ (1,794)17 mi
27AZA heating, cooling, plumbing & construction615.0★ (959)16 mi
28Climate Specialists LLC615.0★ (58)In Dale City
29Parrish Services614.8★ (1,816)16 mi
30Comfort Solutions614.8★ (298)8 mi
31Trust Heating And AC Services614.9★ (348)11 mi
32Turner's Service Co. Heating & Air Conditioning614.8★ (1,037)15 mi
33McCarthy Services614.8★ (335)10 mi
34Michael & Son Services604.8★ (993)16 mi
35AH Service LLC - Hvac service604.5★ (71)In Dale City
36Hynes HVAC LLC604.9★ (391)13 mi
37Snell Home Services604.8★ (5,283)25 mi
38A&A HVAC Mechanical LLC Repair Services604.9★ (59)3 mi
39Express Tech Air605.0★ (213)12 mi
4042 Degrees Heating and Cooling605.0★ (26)In Dale City
41Cyprus Air Heating, Cooling and Fireplaces604.3★ (2,189)15 mi
42Legacy Home Comfort604.6★ (40)In Dale City
43Nelson's HVAC, LLC604.9★ (627)17 mi
44United Air Temp604.9★ (313)13 mi
45A-Plus Service Experts604.8★ (1,234)20 mi
46C M King LLC605.0★ (23)In Dale City
47W.E Beavers Jr.605.0★ (22)In Dale City
48A Action Home Services604.9★ (326)15 mi
49CroppMetcalfe604.9★ (2,082)24 mi
50Hudson’s Heating & Air Conditioning605.0★ (161)12 mi

How we ranked emergency HVAC contractors in Dale City

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 Dale City: questions

Which HVAC contractors in Dale City are open 24/7?

25 on this list post 24/7 hours, including Michael Bonsby HVAC, Plumbing and Electrical, Leonard Splaine Co., United Air Temp, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical and Michael & Son Services.

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

Michael Bonsby HVAC, Plumbing and Electrical is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Dale City 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 Dale City

  1. October 2026: CR Scores recalculated for 749 hvac contractors serving Dale City.
  2. October 2026: 8 duplicate listings merged.

More emergency and heating and cooling pages