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Emergency HVAC Contractors in Dumfries, VA (2026)

Top 50 of 626 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 Dumfries: 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 Dumfries at a glance

Top emergency HVAC contractors in Dumfries at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Michael Bonsby HVAC, Plumbing and Electrical644.8★ (2,138)Dale City, 6 mi away24/7
2F.H. Furr Plumbing, Heating, Air Conditioning & Electrical644.8★ (17,172)Manassas, 17 mi away24/7
3DR HVAC Inc634.9★ (348)Dumfries24/7
4Michael & Son Services634.7★ (15,537)Alexandria, 18 mi away24/7
5Leonard Splaine Co.634.9★ (1,060)Dale City, 8 mi away24/7
6F.H. Furr Plumbing, Heating, Air Conditioning & Electrical634.7★ (4,469)Lorton, 13 mi away24/7
7Reddick & Sons, Inc635.0★ (3,027)Manassas, 16 mi away24/7
8United Air Temp634.7★ (1,754)Dale City, 8 mi away24/7
9Alex Hvac Service LLC624.9★ (310)Dale City, 5 mi away24/7
10John C. Flood624.8★ (4,976)Alexandria, 18 mi away24/7

Call an emergency HVAC contractor in Dumfries 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 Dumfries, 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 626 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.

  3. #3 DR HVAC Inc

    Based in Dumfries

    63/100CR Score

    Ranked #3 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

  4. #4 Michael & Son Services

    Based in Alexandria, 18 mi away

    63/100CR Score

    Ranked #4 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

  5. #5 Leonard Splaine Co.

    Based in Dale City, 8 mi away

    63/100CR Score

    Ranked #5 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

  7. #7 Reddick & Sons, Inc

    Based in Manassas, 16 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

  8. #8 United Air Temp

    Based in Dale City, 8 mi away

    63/100CR Score

    Ranked #8 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

  10. #10 John C. Flood

    Based in Alexandria, 18 mi away

    62/100CR Score

    Ranked #10 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

  12. #12 ARS / Rescue Rooter

    Based in Manassas, 15 mi away

    62/100CR Score

    Ranked #12 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 CroppMetcalfe

    Based in Fairfax, 22 mi away

    62/100CR Score

    Ranked #13 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

  14. #14 Hynes HVAC LLC

    Based in Aquia Harbour, 8 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 391 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 391 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    122 Pewter Ln, Stafford, VA 22554
    View profile for Hynes HVAC LLC(540) 300-1557

  17. #17 McCarthy Services

    Based in Springfield, 14 mi away

    61/100CR Score

    Ranked #17 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

  18. #18 United Air Temp

    Based in Lorton, 15 mi away

    61/100CR Score

    Ranked #18 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

  19. #19 M.E. Flow

    Based in Lorton, 13 mi away

    61/100CR 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

  20. #20 M.E. Flow

    Based in Lorton, 13 mi away

    61/100CR Score

    Ranked #20 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

Top 50 of 626 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 Dumfries, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Loving Air Inc.614.9★ (1,313)17 mi
27HVAC DONE EZ LLC615.0★ (272)11 mi
28OHA HVAC, Plumbing, Chimney & Fireplaces614.9★ (2,477)22 mi
29Parrish Services614.8★ (1,816)19 mi
30Krafft Service Corporation604.9★ (1,631)20 mi
31C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC604.9★ (966)17 mi
32United Air Temp604.8★ (1,318)18 mi
33Standard Air Heating and Air Conditioning604.9★ (156)8 mi
34Universal Heat & Air LLC605.0★ (75)5 mi
35AZA heating, cooling, plumbing & construction605.0★ (959)20 mi
36Turner's Service Co. Heating & Air Conditioning604.8★ (1,037)18 mi
37OHA HVAC, Plumbing, Chimney & Fireplaces604.9★ (1,794)22 mi
38Comfort Solutions604.8★ (298)13 mi
39Total Comfort Heating, Air Conditioning & Plumbing604.6★ (2,770)21 mi
40A-Plus Service Experts604.8★ (1,234)21 mi
41Michael & Son Services594.8★ (993)20 mi
42McCarthy Services594.8★ (335)15 mi
43Climate Specialists LLC595.0★ (58)8 mi
44Express Tech Air595.0★ (213)15 mi
45Cyprus Air Heating, Cooling and Fireplaces594.3★ (2,189)18 mi
46Hudson’s Heating & Air Conditioning595.0★ (161)15 mi
47Mission Comfort595.0★ (625)23 mi
48Pride594.7★ (616)19 mi
49United Air Temp594.9★ (313)18 mi
5042 Degrees Heating and Cooling595.0★ (26)5 mi

How we ranked emergency HVAC contractors in Dumfries

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 Dumfries: questions

Which HVAC contractors in Dumfries are open 24/7?

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

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

Michael Bonsby HVAC, Plumbing and Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Dumfries 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 Dumfries

  1. October 2026: CR Scores recalculated for 626 hvac contractors serving Dumfries.
  2. October 2026: 8 duplicate listings merged.

More emergency and heating and cooling pages