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Emergency HVAC Contractors in Aberdeen, MD (2026)

Top 50 of 230 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 Aberdeen: Horizon Services - Air Conditioning, Heating, Plumbing & 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 Aberdeen at a glance

Top emergency HVAC contractors in Aberdeen at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Horizon Services - Air Conditioning, Heating, Plumbing & Electrical654.8★ (2,282)Havre de Grace, 4 mi away24/7
2Blue Dot Services644.5★ (7,297)Bel Air North, 12 mi away24/7
3Aire Serv of Elkton624.9★ (549)Newark, 9 mi away24/7
4Aire Serv of Bel Air624.9★ (309)Bel Air North, 7 mi away24/7
5HGH Mechanical624.9★ (337)Edgewood, 9 mi away24/7
6One Hour Air Conditioning & Heating® of Harford County624.8★ (292)Bel Air North, 7 mi away24/7
7Michael & Son Services624.7★ (8,039)Baltimore, 25 mi away24/7
8Aire Serv of Newark DE614.9★ (2,972)Newark, 23 mi away24/7
9Anchor Mechanical LLC614.9★ (340)Bel Air North, 11 mi away24/7
10Sobieski Inc.614.7★ (5,666)Newark, 25 mi away24/7

Call an emergency HVAC contractor in Aberdeen 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 Aberdeen, 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 230 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 Blue Dot Services

    Based in Bel Air North, 12 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.5★ from 7,297 Google reviews, listed on Google as “Heating contractor”.

    • 4.5★ from 7,297 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    125 Industry Ln, Forest Hill, MD 21050
    View profile for Blue Dot Services(410) 846-2992

  5. #5 HGH Mechanical

    Based in Edgewood, 9 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 337 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2107 Emmorton Park Rd #111, Edgewood, MD 21040
    View profile for HGH Mechanical(410) 679-3794

  9. #9 Anchor Mechanical LLC

    Based in Bel Air North, 11 mi away

    61/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 340 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 340 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1630 Robin Cir, Forest Hill, MD 21050
    View profile for Anchor Mechanical LLC(410) 452-5601

  10. #10 Sobieski Inc.

    Based in Newark, 25 mi away

    61/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 5,666 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 5,666 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1325 Old Cooch's Bridge, Newark, DE 19713
    View profile for Sobieski Inc.(877) 707-1358

  12. #12 Boulden Brothers

    Based in Newark, 23 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 2,510 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.8★ from 2,510 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    107 Sandy Dr Building 700, Newark, DE 19713
    View profile for Boulden Brothers(302) 246-7878

  13. #13 Excel Services

    Based in Bel Air North, 14 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 411 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 411 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19 Brocks Way, Jarrettsville, MD 21084
    View profile for Excel Services(410) 803-2279

  14. #14 Broyles HVACR

    Based in Joppatowne, 13 mi away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 244 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 244 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    37 Neptune Dr, Joppatowne, MD 21085
    View profile for Broyles HVACR(667) 228-7015

  24. #24 Smart Energy Systems

    Based in Bel Air, 10 mi away

    59/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Heating contractor”.

    • 4.8★ from 64 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1300 Enterprise Ct #105, Bel Air, MD 21014
    View profile for Smart Energy Systems(410) 989-4582

  25. #25 Comfort Air

    Based in Fallston, 13 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 65 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2713 Belair Rd, Fallston, MD 21047
    View profile for Comfort Air(443) 416-2088

Top 50 of 230 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 Aberdeen, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26The Plumber Guys584.9★ (479)In Aberdeen
27Excel Aire Abingdon585.0★ (27)8 mi
28Reliability Home Services584.7★ (539)23 mi
29Contemporary Air Systems, Inc.585.0★ (195)22 mi
30At Your Service Heating and Cooling LLC584.6★ (811)25 mi
31APJ HVAC and R585.0★ (43)13 mi
32Carrington Heating & Air Conditioning585.0★ (20)8 mi
33Forest Hill Heating & Air574.8★ (53)15 mi
34Clyde HVAC & Airduct Cleaning Aberdeen575.0★ (3)In Aberdeen
35Soul HVAC575.0★ (10)6 mi
36ABC Cooling & Heating LLC574.7★ (247)23 mi
37Synergy Mechanical Solutions575.0★ (37)15 mi
38Lee's Heating and Air575.0★ (5)5 mi
39PureComfort HVAC Repair574.9★ (88)21 mi
40Bigfoot Heating & Cooling564.9★ (12)10 mi
41Krause Heating & Air Conditioning564.8★ (14)11 mi
42Home Comfort Services565.0★ (70)24 mi
43Watson's Plumbing & Heating564.2★ (36)In Aberdeen
44Applied565.0★ (6)10 mi
45Rowbel Services555.0★ (32)20 mi
46AAA554.7★ (60)22 mi
47Black Horse Heating & Air Conditoning LLC555.0★ (5)10 mi
48Pierce Total Comfort554.8★ (67)24 mi
49K C Weaver & Sons555.0★ (31)22 mi
50Sheffield Air Duct Cleaning555.0★ (5)13 mi

How we ranked emergency HVAC contractors in Aberdeen

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 Aberdeen: questions

Which HVAC contractors in Aberdeen are open 24/7?

25 on this list post 24/7 hours, including Horizon Services - Air Conditioning, Heating, Plumbing & Electrical, Blue Dot Services, Aire Serv of Elkton, Aire Serv of Bel Air and HGH Mechanical.

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

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

How are emergency HVAC contractors in Aberdeen 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 Aberdeen

  1. October 2026: CR Scores recalculated for 230 hvac contractors serving Aberdeen.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages