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Emergency HVAC Contractors in Beltsville, MD (2026)

Top 50 of 1,065 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 Beltsville: Len The Plumber Heating & Air, LLC, 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 Beltsville at a glance

Top emergency HVAC contractors in Beltsville at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Len The Plumber Heating & Air, LLC654.6★ (8,136)Silver Spring, 6 mi away24/7
2United Air Temp644.8★ (1,306)Greenbelt, 4 mi away24/7
3GAC Services634.9★ (6,908)Gaithersburg, 16 mi away24/7
4F.H. Furr Plumbing, Heating, Air Conditioning & Electrical634.7★ (5,985)Rockville, 13 mi away24/7
5JDL HVAC & Plumbing Services634.8★ (678)Laurel, 5 mi away24/7
6ARS / Rescue Rooter634.4★ (3,510)Laurel, 8 mi away24/7
7NARFIX HEATING AND AIR CONDITIONING LLC625.0★ (293)Silver Spring, 4 mi away24/7
8Michael & Son Services624.7★ (15,537)Alexandria, 22 mi away24/7
9Beltway Air Conditioning, Heating & Plumbing624.9★ (2,167)Hanover, 15 mi away24/7
10Grove Heating & Cooling624.9★ (1,156)Crofton, 12 mi away24/7

Call an emergency HVAC contractor in Beltsville 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 Beltsville, 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 1,065 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 United Air Temp

    Based in Greenbelt, 4 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,306 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,306 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7255 Hanover Pkwy Ste A, Greenbelt, MD 20770
    View profile for United Air Temp(240) 713-3314

  3. #3 GAC Services

    Based in Gaithersburg, 16 mi away

    63/100CR Score

    Ranked #3 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

  5. #5 JDL HVAC & Plumbing Services

    Based in Laurel, 5 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 678 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 678 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14300 Cherry Lane Ct Ste 116, Laurel, MD 20707
    View profile for JDL HVAC & Plumbing Services

  6. #6 ARS / Rescue Rooter

    Based in Laurel, 8 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.4★ from 3,510 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 3,510 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9010 Maier Rd # 105, Laurel, MD 20723
    View profile for ARS / Rescue Rooter(301) 276-4499

  8. #8 Michael & Son Services

    Based in Alexandria, 22 mi away

    62/100CR Score

    Ranked #8 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

  11. #11 CroppMetcalfe

    Based in Fairfax, 21 mi away

    62/100CR Score

    Ranked #11 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 JC & JC HVAC

    Based in Silver Spring, 6 mi away

    62/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.7★ from 503 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 503 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1614 Maydale Dr, Silver Spring, MD 20905
    View profile for JC & JC HVAC(301) 364-3729

  17. #17 Presidential, Inc.

    Based in Gaithersburg, 17 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,701 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,701 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8000 Cessna Ave, Gaithersburg, MD 20879
    View profile for Presidential, Inc.(301) 719-3315

  18. #18 John C. Flood

    Based in Alexandria, 21 mi away

    61/100CR Score

    Ranked #18 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

  20. #20 United Air Temp

    Based in Fort Washington, 16 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,775 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,775 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5620 St Barnabas Rd Ste 240, Fort Washington, MD 20744
    View profile for United Air Temp(240) 342-3956

  21. #21 Vito Services

    Based in Rockville, 13 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 1,351 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,351 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    681 Southlawn Ln, Rockville, MD 20850
    View profile for Vito Services(301) 861-3908

Top 50 of 1,065 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 Beltsville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical614.8★ (4,514)22 mi
27Thomas E Clark Inc614.8★ (299)8 mi
28Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical614.8★ (291)8 mi
29Zapata’s HVAC Systems614.9★ (107)4 mi
30Len The Plumber Heating & Air, LLC614.8★ (1,053)In Beltsville
31Michael & Son Services614.7★ (419)9 mi
32Krafft Service Corporation614.9★ (1,631)20 mi
33John G Webster Co614.5★ (85)In Beltsville
34OHA HVAC, Plumbing, Chimney & Fireplaces604.9★ (1,794)20 mi
35C&V Home Services Inc604.9★ (114)6 mi
36Nero's Heating and Air604.9★ (166)8 mi
37AZA heating, cooling, plumbing & construction605.0★ (959)19 mi
38JV heating and air services604.8★ (114)6 mi
39USA HVAC Services605.0★ (179)11 mi
40Boothe's Heating, Air, Plumbing, Drains & Electrical604.9★ (1,461)22 mi
41ClimateCare HVAC Services, LLC.604.9★ (221)11 mi
42RELIABLE HVAC CERTIFIED LLC604.6★ (59)2 mi
43Cycle Heating and Cooling, LLC604.9★ (77)6 mi
44Aire Serv of Prince Georges County604.8★ (176)10 mi
45Barstow & Sons Heating and Cooling604.9★ (1,127)21 mi
46Bethany Air604.8★ (1,251)20 mi
47Caffi Services604.9★ (508)17 mi
48Cool Breeze Plumbing, Heating & A/C604.8★ (666)17 mi
49Su' Coy Heating, AC & Duct Cleaning604.9★ (205)12 mi
50United Air Temp604.8★ (171)10 mi

How we ranked emergency HVAC contractors in Beltsville

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 Beltsville: questions

Which HVAC contractors in Beltsville are open 24/7?

25 on this list post 24/7 hours, including Len The Plumber Heating & Air, LLC, United Air Temp, GAC Services, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical and JDL HVAC & Plumbing Services.

Who is ranked #1 for emergency heating and cooling in Beltsville, MD?

Len The Plumber Heating & Air, LLC is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Beltsville 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?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Beltsville

  1. October 2026: CR Scores recalculated for 1,065 hvac contractors serving Beltsville.
  2. October 2026: 10 duplicate listings merged.

More emergency and heating and cooling pages