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Emergency HVAC Contractors in Annapolis, MD (2026)

Top 50 of 497 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 Annapolis: Staton Heating, Cooling & 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 Annapolis at a glance

Top emergency HVAC contractors in Annapolis at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Staton Heating, Cooling & Plumbing664.9★ (2,904)Annapolis24/7
2Barstow & Sons Heating and Cooling654.9★ (1,127)Annapolis24/7
3Bethany Air644.8★ (1,251)Edgewater, 5 mi away24/7
4David E White's Plumbing, Heating & Repair Company635.0★ (238)Annapolis24/7
5United Air Temp634.8★ (253)Annapolis24/7
6Grove Heating & Cooling624.9★ (1,156)Crofton, 11 mi away24/7
7Beltway Air Conditioning, Heating & Plumbing624.9★ (2,167)Hanover, 16 mi away24/7
8Boothe's Heating, Air, Plumbing, Drains & Electrical624.9★ (1,461)Dundalk, 14 mi away24/7
9Belair Engineering and Service Company, Inc.624.9★ (1,421)Greater Upper Marlboro, 14 mi away24/7
10One Hour Air Conditioning & Heating® of Annapolis614.8★ (367)Arnold, 7 mi away24/7

Call an emergency HVAC contractor in Annapolis 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 Annapolis, 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 497 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 Bethany Air

    Based in Edgewater, 5 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,251 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,251 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    171 MD-253, Edgewater, MD 21037
    View profile for Bethany Air(410) 431-2312

  5. #5 United Air Temp

    Based in Annapolis

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 253 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 253 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2553 Housley Rd, Annapolis, MD 21401
    View profile for United Air Temp(410) 705-6043

  12. #12 Shoreline Comfort

    Based in Stevensville, 10 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 285 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 285 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1102 Butterworth Ct suite 100, Stevensville, MD 21666
    View profile for Shoreline Comfort(410) 739-4232

  13. #13 Ambient LLC

    Based in Annapolis

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 52 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1910 Towne Centre Blvd Suite 250, Annapolis, MD 21401
    View profile for Ambient LLC(410) 449-4021

  15. #15 All Good Home Inc

    Based in Severna Park, 6 mi away

    60/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 98 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    762 Dividing Rd, Severna Park, MD 21146
    View profile for All Good Home Inc(202) 439-7718

  18. #18 B&B Co. Inc.

    Based in Annapolis

    60/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.7★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    109 Defense Hwy, Annapolis, MD 21401
    View profile for B&B Co. Inc.(410) 266-7900

  19. #19 United Air Temp

    Based in Greenbelt, 21 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 1,306 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,306 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7255 Hanover Pkwy Ste A, Greenbelt, MD 20770
    View profile for United Air Temp(240) 713-3314

  20. #20 ARS / Rescue Rooter

    Based in Laurel, 20 mi away

    60/100CR Score

    Ranked #20 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

  24. #24 Ambient LLC

    Based in Severn, 15 mi away

    59/100CR Score

    Ranked #24 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

Top 50 of 497 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 Annapolis, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26A.P. Mathews Heating & A/C594.8★ (111)10 mi
27OP HVAC Solutions595.0★ (21)2 mi
28Beltway Air Conditioning, Heating and Plumbing595.0★ (129)14 mi
29JDL HVAC & Plumbing Services594.8★ (678)21 mi
30LUNA HVAC HOME SOLUTION LLC594.7★ (13)In Annapolis
31Environmental Systems Associates594.9★ (658)23 mi
32Len The Plumber Heating & Air, LLC594.7★ (15,911)21 mi
33Arundel Service Experts584.7★ (472)19 mi
34JJ HEATING & COOLING COMPANY584.8★ (110)13 mi
35Reliability Home Services584.7★ (539)20 mi
36At Your Service Heating and Cooling LLC584.6★ (811)21 mi
37Fresh Air Concepts, LLC584.9★ (217)19 mi
38ROCKY LLC584.6★ (253)17 mi
39R&R HVAC Solutions585.0★ (220)21 mi
40Maryland Heating & Air584.9★ (369)23 mi
41Sila Heating, Air Conditioning & Plumbing584.9★ (275)21 mi
42F.H. Furr Plumbing, Heating, Air Conditioning & Electrical584.8★ (1,788)16 mi
43Hughes Mechanical, LLC584.8★ (408)23 mi
44Zoned Heating and Cooling585.0★ (40)12 mi
45Above All Heating & Cooling574.8★ (45)12 mi
46Alpha Heating & Air Conditioning, LLC574.9★ (419)25 mi
47ABC Cooling & Heating LLC574.7★ (247)20 mi
48Aire Serv of Prince Georges County574.8★ (176)19 mi
49C&V Home Services Inc574.9★ (114)19 mi
50Contemporary Air Systems, Inc.575.0★ (195)23 mi

How we ranked emergency HVAC contractors in Annapolis

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 Annapolis: questions

Which HVAC contractors in Annapolis are open 24/7?

25 on this list post 24/7 hours, including Staton Heating, Cooling & Plumbing, Barstow & Sons Heating and Cooling, Bethany Air, David E White's Plumbing, Heating & Repair Company and United Air Temp.

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

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

How are emergency HVAC contractors in Annapolis 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 Annapolis

  1. October 2026: CR Scores recalculated for 497 hvac contractors serving Annapolis.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages