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Emergency HVAC Contractors in Eldersburg, MD (2026)

Top 50 of 610 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 Eldersburg: 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 Eldersburg at a glance

Top emergency HVAC contractors in Eldersburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1F.H. Furr Plumbing, Heating, Air Conditioning & Electrical654.7★ (1,847)Eldersburg24/7
2Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical644.8★ (4,514)Baltimore, 12 mi away24/7
3Farnen & Dermer624.8★ (931)Owings Mills, 9 mi away24/7
4Triple E624.9★ (469)Reisterstown, 8 mi away24/7
5GAC Services624.9★ (6,908)Gaithersburg, 22 mi away24/7
6First Class Mechanical614.9★ (580)Westminster, 11 mi away24/7
7Brothers HVAC LLC614.9★ (76)Eldersburg24/7
8One Hour Air Conditioning & Heating® of Mount Airy614.7★ (852)Mount Airy, 10 mi away24/7
9Michael & Son Services614.7★ (8,039)Baltimore, 23 mi away24/7
10Apple Plumbing, Heating, & Air614.9★ (679)Westminster, 15 mi away24/7

Call an emergency HVAC contractor in Eldersburg 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 Eldersburg, 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 610 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 Farnen & Dermer

    Based in Owings Mills, 9 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 931 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 931 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10500 Reisterstown Rd, Owings Mills, MD 21117
    View profile for Farnen & Dermer(410) 367-7777

  4. #4 Triple E

    Based in Reisterstown, 8 mi away

    62/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 469 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 469 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    655 Main St #1959, Reisterstown, MD 21136
    View profile for Triple E(410) 833-1133

  5. #5 GAC Services

    Based in Gaithersburg, 22 mi away

    62/100CR Score

    Ranked #5 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

  11. #11 Presidential, Inc.

    Based in Gaithersburg, 20 mi away

    61/100CR Score

    Ranked #11 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

  12. #12 United Air Temp

    Based in Owings Mills, 8 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 180 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 180 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    500 Redland Ct # 107, Owings Mills, MD 21117
    View profile for United Air Temp(410) 999-8288

  15. #15 Fire n Ice Hvac, Inc

    Based in Westminster, 5 mi away

    61/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 90 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3420 Avis Ct, Westminster, MD 21157
    View profile for Fire n Ice Hvac, Inc(443) 821-0213

  25. #25 ARS / Rescue Rooter

    Based in Laurel, 21 mi away

    59/100CR Score

    Ranked #25 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

Top 50 of 610 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 Eldersburg, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Len The Plumber Heating & Air, LLC594.7★ (15,911)18 mi
27Apple Plumbing, Heating, & Air595.0★ (216)In Eldersburg
28Greenfox Cooling, Heating & Plumbing594.8★ (238)14 mi
29Cool Breeze Plumbing, Heating & A/C594.8★ (666)20 mi
30Witkowski Mechanical594.6★ (40)4 mi
31All State Services Inc594.1★ (28)In Eldersburg
32Sila Heating, Air Conditioning & Plumbing594.9★ (275)18 mi
33ASC HVAC594.7★ (13)In Eldersburg
34Abbott Brothers Plumbing & Heating of Maryland594.8★ (354)18 mi
35One Hour Air Conditioning & Heating® of Baltimore594.8★ (219)15 mi
36Vito Services594.7★ (1,351)24 mi
37Long Mechanical Services LLC585.0★ (19)5 mi
38Cyprus Air Heating, Cooling and Fireplaces584.7★ (1,402)25 mi
39Michael Runk Plumbing & Heating LLC584.8★ (163)In Eldersburg
40JDL HVAC & Plumbing Services584.8★ (678)22 mi
41Thornton Heating & Air Conditioning585.0★ (33)9 mi
42Arundel Service Experts584.7★ (472)20 mi
43Beltway Air Conditioning, Heating & Plumbing584.9★ (90)14 mi
44JC & JC HVAC584.7★ (503)21 mi
45Mars Air Duct Cleaning584.9★ (177)18 mi
46Tario HVAC, LLC584.9★ (142)17 mi
47Fresh Air Concepts, LLC584.9★ (217)20 mi
48Warner Service584.8★ (537)24 mi
49Metro Services HVAC584.9★ (298)22 mi
50At Your Service Heating and Cooling LLC584.6★ (811)24 mi

How we ranked emergency HVAC contractors in Eldersburg

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 Eldersburg: questions

Which HVAC contractors in Eldersburg are open 24/7?

25 on this list post 24/7 hours, including F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, Farnen & Dermer, Triple E and GAC Services.

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

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Eldersburg 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 Eldersburg

  1. October 2026: CR Scores recalculated for 610 hvac contractors serving Eldersburg.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages