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ContractorsRanked

Emergency HVAC Contractors in Fairland, MD (2026)

Top 50 of 1,143 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 Fairland: 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 Fairland at a glance

Top emergency HVAC contractors in Fairland at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Len The Plumber Heating & Air, LLC924.6★ (8,136)Silver Spring, 5 mi away24/7
2GAC Services924.9★ (6,908)Gaithersburg, 13 mi away24/7
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical914.7★ (5,985)Rockville, 10 mi away24/7
4United Air Temp914.8★ (1,306)Greenbelt, 8 mi away24/7
5NARFIX HEATING AND AIR CONDITIONING LLC905.0★ (293)Silver Spring, 5 mi away24/7
6JDL HVAC & Plumbing Services904.8★ (678)Laurel, 6 mi away24/7
7Presidential, Inc.904.9★ (1,701)Gaithersburg, 13 mi away24/7
8JC & JC HVAC904.7★ (503)Silver Spring, 2 mi away24/7
9Environmental Systems Associates904.9★ (658)Columbia, 9 mi away24/7
10Michael Bonsby HVAC, Plumbing & Electrical904.8★ (2,083)Gaithersburg, 13 mi away24/7

Call an emergency HVAC contractor in Fairland 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 Fairland, 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 1,143 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 GAC Services

    Based in Gaithersburg, 13 mi away

    92/100CR Score

    Ranked #2 because of its Google rating and availability: 4.9★ from 6,908 Google reviews, open 24/7.

    • 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

  4. #4 United Air Temp

    Based in Greenbelt, 8 mi away

    91/100CR Score

    Ranked #4 because of its Google rating and availability: 4.8★ from 1,306 Google reviews, open 24/7.

    • 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

  8. #8 JC & JC HVAC

    Based in Silver Spring, 2 mi away

    90/100CR Score

    Ranked #8 because of its Google rating and availability: 4.7★ from 503 Google reviews, open 24/7.

    • 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

  13. #13 CroppMetcalfe

    Based in Fairfax, 21 mi away

    90/100CR Score

    Ranked #13 because of its Google rating and availability: 4.8★ from 7,638 Google reviews, open 24/7.

    • 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

  16. #16 Vito Services

    Based in Rockville, 10 mi away

    89/100CR Score

    Ranked #16 because of its Google rating and availability: 4.7★ from 1,351 Google reviews, open 24/7.

    • 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

  24. #24 John C. Flood

    Based in Alexandria, 22 mi away

    89/100CR Score

    Ranked #24 because of its Google rating and availability: 4.8★ from 4,976 Google reviews, open 24/7.

    • 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

Top 50 of 1,143 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 Fairland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26OHA HVAC, Plumbing, Chimney & Fireplaces884.9★ (1,794)20 mi
27Cool Breeze Plumbing, Heating & A/C884.8★ (666)13 mi
28United Air Temp884.8★ (1,775)18 mi
29AZA heating, cooling, plumbing & construction885.0★ (959)20 mi
30Krafft Service Corporation884.9★ (1,631)21 mi
31One Hour Air Conditioning & Heating® of Gaithersburg884.8★ (302)10 mi
32Staton Heating, Cooling & Plumbing884.9★ (2,904)24 mi
33Magnolia Plumbing, Heating & Cooling884.4★ (1,519)9 mi
34AMS Air Conditioning & Heating884.9★ (116)8 mi
35JV heating and air services884.8★ (114)6 mi
36Zapata’s HVAC Systems884.9★ (107)2 mi
37Metro Services HVAC884.9★ (298)14 mi
38Shemtov Systems Heating & Air Conditioning884.9★ (57)4 mi
39Meade's Heating and Air875.0★ (1,428)25 mi
40Cycle Heating and Cooling, LLC874.9★ (77)6 mi
41Len The Plumber Heating & Air, LLC874.8★ (1,053)4 mi
42Boothe's Heating, Air, Plumbing, Drains & Electrical874.9★ (1,461)23 mi
43Nero's Heating and Air874.9★ (166)12 mi
44USA HVAC Services875.0★ (179)14 mi
45C&V Home Services Inc874.9★ (114)10 mi
46Caffi Services874.9★ (508)18 mi
47United Air Temp874.8★ (171)11 mi
48ClimateCare HVAC Services, LLC.874.9★ (221)14 mi
49Greenfox Cooling, Heating & Plumbing874.8★ (238)13 mi
50Su' Coy Heating, AC & Duct Cleaning874.9★ (205)14 mi

How we ranked emergency HVAC contractors in Fairland

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Fairland: questions

Which HVAC contractors in Fairland are open 24/7?

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

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

Len The Plumber Heating & Air, LLC is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency HVAC contractors in Fairland ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Fairland

  1. October 2026: CR Scores recalculated for 1,143 hvac contractors serving Fairland.
  2. October 2026: 10 duplicate listings merged.

More emergency and heating and cooling pages