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Emergency HVAC Contractors in Baltimore Highlands, MD (2026)

Top 50 of 680 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 Baltimore Highlands: Michael & Son Services, 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 Baltimore Highlands at a glance

Top emergency HVAC contractors in Baltimore Highlands at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Michael & Son Services654.7★ (8,039)Baltimore, 7 mi away24/7
2Beltway Air Conditioning, Heating & Plumbing644.9★ (2,167)Hanover, 6 mi away24/7
3Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical644.8★ (4,514)Baltimore, 9 mi away24/7
4Boothe's Heating, Air, Plumbing, Drains & Electrical644.9★ (1,461)Dundalk, 6 mi away24/7
5Complete Climate Services LLC645.0★ (786)Baltimore, 5 mi away24/7
6Len The Plumber Heating & Air, LLC634.7★ (15,911)Arbutus, 3 mi away24/7
7Arundel Service Experts634.7★ (472)Arbutus, 1 mi away24/7
8Fresh Air Concepts, LLC624.9★ (217)Arbutus, 1 mi away24/7
9Sila Heating, Air Conditioning & Plumbing624.9★ (275)Arbutus, 3 mi away24/7
10Alpha Heating & Air Conditioning, LLC624.9★ (419)Arbutus, 6 mi away24/7

Call an emergency HVAC contractor in Baltimore Highlands 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 Baltimore Highlands, 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 680 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.

  1. Ranked #1 in Baltimore Highlands

    #1 Michael & Son Services

    Based in Baltimore, 7 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.7★ from 8,039 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 8,039 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6420 Erdman Ave, Baltimore, MD 21205
    View profile for Michael & Son Services(410) 929-7190

  13. #13 Ambient LLC

    Based in Severn, 6 mi away

    62/100CR Score

    Ranked #13 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

  15. #15 ARS / Rescue Rooter

    Based in Laurel, 13 mi away

    61/100CR Score

    Ranked #15 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

  17. #17 Tario HVAC, LLC

    Based in Arbutus, 3 mi away

    61/100CR Score

    Ranked #17 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 Beyond Cooling LLC

    Based in Arbutus, 3 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 82 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3922 Vero Rd Rear L, Halethorpe, MD 21227
    View profile for Beyond Cooling LLC(410) 973-7821

  24. #24 Farnen & Dermer

    Based in Owings Mills, 15 mi away

    61/100CR Score

    Ranked #24 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

Top 50 of 680 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 Baltimore Highlands, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26One Hour Air Conditioning & Heating® of Baltimore614.8★ (219)7 mi
27Contemporary Air Systems, Inc.605.0★ (195)10 mi
28Barstow & Sons Heating and Cooling604.9★ (1,127)19 mi
29Greenfox Cooling, Heating & Plumbing604.8★ (238)10 mi
30One Hour Air Conditioning & Heating® of Annapolis604.8★ (367)12 mi
31A.J. Michaels604.5★ (309)8 mi
32Elmar Heating & Cooling604.8★ (614)15 mi
33F.H. Furr Plumbing, Heating, Air Conditioning & Electrical604.8★ (1,788)6 mi
34Beltway Air Conditioning, Heating and Plumbing605.0★ (129)9 mi
35JDL HVAC & Plumbing Services604.8★ (678)16 mi
36ABC Cooling & Heating LLC604.7★ (247)9 mi
37ROCKY LLC604.6★ (253)9 mi
38USA HVAC Services605.0★ (179)12 mi
39United Air Temp604.8★ (171)10 mi
40THE ELECTRICIANS604.9★ (98)8 mi
41Tack Mechanical LLC604.8★ (57)5 mi
42United Air Temp604.8★ (1,306)21 mi
43Bethany Air594.8★ (1,251)21 mi
44Carver Heating & Cooling595.0★ (46)6 mi
45Triple E594.9★ (469)18 mi
46Belair Engineering and Service Company, Inc.594.9★ (1,421)25 mi
47ClimateCare HVAC Services, LLC.594.9★ (221)15 mi
48Dalton Air Conditioning Repair595.0★ (44)8 mi
49AIRSOURCE, LLC595.0★ (17)2 mi
50David E White's Plumbing, Heating & Repair Company595.0★ (238)18 mi

How we ranked emergency HVAC contractors in Baltimore Highlands

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 Baltimore Highlands: questions

Which HVAC contractors in Baltimore Highlands are open 24/7?

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

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

Michael & Son Services is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Baltimore Highlands 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 Baltimore Highlands

  1. October 2026: CR Scores recalculated for 680 hvac contractors serving Baltimore Highlands.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages