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Emergency HVAC Contractors in Ferndale, MD (2026)

Top 50 of 736 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 Ferndale: Beltway Air Conditioning, Heating & Plumbing, 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 Ferndale at a glance

Top emergency HVAC contractors in Ferndale at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Beltway Air Conditioning, Heating & Plumbing654.9★ (2,167)Hanover, 3 mi away24/7
2Michael & Son Services644.7★ (8,039)Baltimore, 10 mi away24/7
3Boothe's Heating, Air, Plumbing, Drains & Electrical644.9★ (1,461)Dundalk, 5 mi away24/7
4Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical634.8★ (4,514)Baltimore, 12 mi away24/7
5Complete Climate Services LLC635.0★ (786)Baltimore, 8 mi away24/7
6Len The Plumber Heating & Air, LLC634.7★ (15,911)Arbutus, 5 mi away24/7
7Arundel Service Experts624.7★ (472)Arbutus, 3 mi away24/7
8Staton Heating, Cooling & Plumbing624.9★ (2,904)Annapolis, 15 mi away24/7
9Ambient LLC624.8★ (336)Severn, 3 mi away24/7
10Fresh Air Concepts, LLC624.9★ (217)Arbutus, 3 mi away24/7

Call an emergency HVAC contractor in Ferndale 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 Ferndale, 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 736 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.

  9. #9 Ambient LLC

    Based in Severn, 3 mi away

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 336 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 336 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    508 Shaw Ct #103, Severn, MD 21144
    View profile for Ambient LLC(410) 429-7280

  11. #11 ARS / Rescue Rooter

    Based in Laurel, 11 mi away

    62/100CR Score

    Ranked #11 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

  21. #21 Tario HVAC, LLC

    Based in Arbutus, 6 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 142 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1319 Maple Ave, Halethorpe, MD 21227
    View profile for Tario HVAC, LLC(410) 314-1161

  23. #23 JDL HVAC & Plumbing Services

    Based in Laurel, 13 mi away

    61/100CR Score

    Ranked #23 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

Top 50 of 736 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 Ferndale, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Reliability Home Services614.7★ (539)11 mi
27ROCKY LLC614.6★ (253)6 mi
28Maryland Heating & Air604.9★ (369)12 mi
29Bethany Air604.8★ (1,251)18 mi
30Breezy Heating Ventilation and Air Conditioning604.8★ (121)6 mi
31United Air Temp604.8★ (1,306)18 mi
32Mars Air Duct Cleaning604.9★ (177)9 mi
33United Air Temp604.8★ (171)8 mi
34Greenfox Cooling, Heating & Plumbing604.8★ (238)10 mi
35Hughes Mechanical, LLC604.8★ (408)13 mi
36THE ELECTRICIANS604.9★ (98)7 mi
37Belair Engineering and Service Company, Inc.604.9★ (1,421)21 mi
38Beyond Cooling LLC604.9★ (82)6 mi
39ClimateCare HVAC Services, LLC.604.9★ (221)12 mi
40Farnen & Dermer604.8★ (931)18 mi
41One Hour Air Conditioning & Heating® of Baltimore604.8★ (219)11 mi
42Contemporary Air Systems, Inc.605.0★ (195)13 mi
43ABC Cooling & Heating LLC604.7★ (247)11 mi
44David E White's Plumbing, Heating & Repair Company605.0★ (238)15 mi
45Tack Mechanical LLC604.8★ (57)5 mi
46Zoned Heating and Cooling605.0★ (40)4 mi
47All Good Home Inc595.0★ (98)10 mi
48JJ HEATING & COOLING COMPANY594.8★ (110)9 mi
49A.J. Michaels594.5★ (309)11 mi
50Above All Heating & Cooling594.8★ (45)5 mi

How we ranked emergency HVAC contractors in Ferndale

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 Ferndale: questions

Which HVAC contractors in Ferndale are open 24/7?

25 on this list post 24/7 hours, including Beltway Air Conditioning, Heating & Plumbing, Michael & Son Services, Boothe's Heating, Air, Plumbing, Drains & Electrical, Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical and Complete Climate Services LLC.

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

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

How are emergency HVAC contractors in Ferndale 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 Ferndale

  1. October 2026: CR Scores recalculated for 736 hvac contractors serving Ferndale.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages