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Emergency HVAC Contractors in Westminster, MD (2026)

Top 50 of 242 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 Westminster: Apple Plumbing, Heating, & Air, 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 Westminster at a glance

Top emergency HVAC contractors in Westminster at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Apple Plumbing, Heating, & Air664.9★ (679)Westminster24/7
2First Class Mechanical654.9★ (580)Westminster24/7
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical654.7★ (1,847)Eldersburg, 6 mi away24/7
4Tim Kyle Electric, Heating & Cooling645.0★ (2,777)Westminster24/7
5Fire n Ice Hvac, Inc635.0★ (90)Westminster24/7
6Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical634.8★ (4,514)Baltimore, 21 mi away24/7
7Triple E624.9★ (469)Reisterstown, 13 mi away24/7
8Farnen & Dermer624.8★ (931)Owings Mills, 16 mi away24/7
9One Hour Air Conditioning & Heating® of Mount Airy614.7★ (852)Mount Airy, 16 mi away24/7
10Siegman Forced Air Systems, Inc.614.7★ (30)Westminster24/7

Call an emergency HVAC contractor in Westminster 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 Westminster, 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 242 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.

  7. #7 Triple E

    Based in Reisterstown, 13 mi away

    62/100CR Score

    Ranked #7 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

  8. #8 Farnen & Dermer

    Based in Owings Mills, 16 mi away

    62/100CR Score

    Ranked #8 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

  13. #13 United Air Temp

    Based in Owings Mills, 14 mi away

    60/100CR Score

    Ranked #13 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

  17. #17 Warner Service

    Based in Frederick, 24 mi away

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 537 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 537 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    217 Monroe Ave, Frederick, MD 21701
    View profile for Warner Service(301) 200-9774

  18. #18 Dynamic HVAC

    Based in Hanover, 15 mi away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 73 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    916 Baltimore St rear, Hanover, PA 17331
    View profile for Dynamic HVAC(410) 343-9583

  20. #20 Frederick Air Inc

    Based in Frederick, 24 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 414 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 414 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3 King Ave, Frederick, MD 21701
    View profile for Frederick Air Inc(301) 845-5652

  25. #25 closed

    Based in Walkersville, 24 mi away

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 240 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 240 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for closed(301) 900-8593

Top 50 of 242 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 Westminster, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Right-A-Way Heating & Cooling585.0★ (17)9 mi
27One Hour Air Conditioning & Heating® of Baltimore584.8★ (219)24 mi
28Witkowski Mechanical584.6★ (40)13 mi
29Apple Plumbing, Heating, & Air575.0★ (216)12 mi
30Skyline Heating and Air575.0★ (30)14 mi
31All-Air Systems574.8★ (56)18 mi
32Thornton Heating & Air Conditioning575.0★ (33)18 mi
33Prestige Home Services565.0★ (61)23 mi
34Michael Runk Plumbing & Heating LLC564.8★ (163)12 mi
35Brick Street Plumbing & HVAC564.2★ (364)25 mi
36Superior HVAC Repair Hanover565.0★ (17)16 mi
37Dalton Air Conditioning Repair565.0★ (44)23 mi
38Husky Home Services564.8★ (40)22 mi
39Homeland Heating and Air Conditioning565.0★ (25)21 mi
40M&M Welding and Fabricators, Inc.554.7★ (12)16 mi
41United Air Temp554.4★ (88)24 mi
42Complete HVAC Services, Inc.555.0★ (4)12 mi
43ASC HVAC554.7★ (13)19 mi
44Quartner’s554.6★ (22)22 mi
45Jack Massicot Plumbing & Heating554.6★ (18)6 mi
46Free Da Block Drain Cleaning Services, LLC,555.0★ (20)23 mi
47ClemAIR Heating & Cooling, LLC545.0★ (9)19 mi
48Griffith Energy Services, Inc.544.4★ (43)In Westminster
49ES HVAC SERVICES LLC544.8★ (19)24 mi
50Forever Air Duct Cleaning545.0★ (6)20 mi

How we ranked emergency HVAC contractors in Westminster

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 Westminster: questions

Which HVAC contractors in Westminster are open 24/7?

25 on this list post 24/7 hours, including Apple Plumbing, Heating, & Air, First Class Mechanical, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, Tim Kyle Electric, Heating & Cooling and Fire n Ice Hvac, Inc.

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

Apple Plumbing, Heating, & Air is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Westminster 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 Westminster

  1. October 2026: CR Scores recalculated for 242 hvac contractors serving Westminster.

More emergency and heating and cooling pages