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Emergency HVAC Contractors in Lorton, VA (2026)

Top 50 of 892 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 Lorton: F.H. Furr Plumbing, Heating, Air Conditioning & 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 Lorton at a glance

Top emergency HVAC contractors in Lorton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1F.H. Furr Plumbing, Heating, Air Conditioning & Electrical664.7★ (4,469)Lorton24/7
2Michael & Son Services664.7★ (15,537)Alexandria, 7 mi away24/7
3United Air Temp654.4★ (4,301)Lorton24/7
4John C. Flood654.8★ (4,976)Alexandria, 7 mi away24/7
5McDaniel Service, Inc644.9★ (770)Lorton24/7
6Cyprus Air Heating, Air Conditioning and Fireplaces644.8★ (908)Lorton24/7
7M.E. Flow644.7★ (1,169)Lorton24/7
8M.E. Flow644.8★ (866)Lorton24/7
9CroppMetcalfe644.8★ (7,638)Fairfax, 12 mi away24/7
10Leonard Splaine Co.644.9★ (1,060)Dale City, 3 mi away24/7

Call an emergency HVAC contractor in Lorton 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 Lorton, 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 892 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 Michael & Son Services

    Based in Alexandria, 7 mi away

    66/100CR 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 United Air Temp

    Based in Lorton

    65/100CR Score

    Ranked #3 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

  4. #4 John C. Flood

    Based in Alexandria, 7 mi away

    65/100CR Score

    Ranked #4 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

  7. #7 M.E. Flow

    Based in Lorton

    64/100CR Score

    Ranked #7 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

  8. #8 M.E. Flow

    Based in Lorton

    64/100CR Score

    Ranked #8 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

  9. #9 CroppMetcalfe

    Based in Fairfax, 12 mi away

    64/100CR Score

    Ranked #9 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

  10. #10 Leonard Splaine Co.

    Based in Dale City, 3 mi away

    64/100CR Score

    Ranked #10 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

  12. #12 United Air Temp

    Based in Dale City, 3 mi away

    64/100CR Score

    Ranked #12 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

  14. #14 McCarthy Services

    Based in Springfield, 3 mi away

    64/100CR Score

    Ranked #14 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

  17. #17 United Air Temp

    Based in Alexandria, 7 mi away

    63/100CR Score

    Ranked #17 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

  19. #19 Comfort Solutions

    Based in Lorton

    63/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 298 Google reviews, listed on Google as “Heating contractor”.

    • 4.8★ from 298 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7214A Lockport Pl, Lorton, VA 22079
    View profile for Comfort Solutions(571) 496-9894

  22. #22 Reddick & Sons, Inc

    Based in Manassas, 16 mi away

    63/100CR Score

    Ranked #22 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

  23. #23 ARS / Rescue Rooter

    Based in Manassas, 13 mi away

    62/100CR Score

    Ranked #23 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

Top 50 of 892 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 Lorton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Air Temp614.9★ (313)7 mi
27McCarthy Services614.8★ (335)7 mi
28A Action Home Services614.9★ (326)8 mi
29Len the Plumber Heating & Air, LLC614.7★ (6,899)6 mi
30United Air Temp614.8★ (1,775)16 mi
31AG Services – Electrical, Air Conditioning, Heating & Plumbing614.9★ (440)11 mi
32DR HVAC Inc614.9★ (348)9 mi
33Nelson's HVAC, LLC614.9★ (627)12 mi
34Snell Home Services614.8★ (5,283)23 mi
35Caffi Services614.9★ (508)13 mi
36HVAC DONE EZ LLC615.0★ (272)11 mi
37Cardinal Plumbing Heating & Air Inc614.9★ (2,958)22 mi
38Michael & Son Services614.8★ (993)15 mi
39Sila Heating, Air Conditioning & Plumbing614.8★ (295)9 mi
40Parrish Services614.8★ (1,816)18 mi
41A-Plus Service Experts604.8★ (1,234)17 mi
42AllTech Services, Inc604.9★ (2,807)23 mi
43Len The Plumber Heating & Air, LLC604.6★ (8,136)24 mi
44Northeast HVAC and Appliances605.0★ (32)In Lorton
45Turner's Service Co. Heating & Air Conditioning604.8★ (1,037)17 mi
46Multi MG Services604.8★ (64)3 mi
47Climate Specialists LLC605.0★ (58)5 mi
48Mission Comfort605.0★ (625)18 mi
49ACCURATE604.9★ (208)11 mi
50Argent Heating Cooling and Plumbing604.7★ (392)12 mi

How we ranked emergency HVAC contractors in Lorton

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 Lorton: questions

Which HVAC contractors in Lorton are open 24/7?

25 on this list post 24/7 hours, including F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, Michael & Son Services, United Air Temp, John C. Flood and McDaniel Service, Inc.

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

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Lorton 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 Lorton

  1. October 2026: CR Scores recalculated for 892 hvac contractors serving Lorton.
  2. October 2026: 8 duplicate listings merged.

More emergency and heating and cooling pages