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Emergency HVAC Contractors in Coral Hills, MD (2026)

Top 50 of 1,015 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 Coral Hills: 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 Coral Hills at a glance

Top emergency HVAC contractors in Coral Hills at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Michael & Son Services644.7★ (15,537)Alexandria, 14 mi away24/7
2United Air Temp644.8★ (1,775)Fort Washington, 5 mi away24/7
3Len The Plumber Heating & Air, LLC644.6★ (8,136)Silver Spring, 11 mi away24/7
4John C. Flood634.8★ (4,976)Alexandria, 14 mi away24/7
5CroppMetcalfe634.8★ (7,638)Fairfax, 17 mi away24/7
6Belair Engineering and Service Company, Inc.634.9★ (1,421)Greater Upper Marlboro, 10 mi away24/7
7United Air Temp634.8★ (1,306)Greenbelt, 9 mi away24/7
8Krafft Service Corporation624.9★ (1,631)Alexandria, 12 mi away24/7
9AZA heating, cooling, plumbing & construction625.0★ (959)Alexandria, 12 mi away24/7
10Caffi Services624.9★ (508)Alexandria, 8 mi away24/7

Call an emergency HVAC contractor in Coral Hills 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 Coral Hills, 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 1,015 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 United Air Temp

    Based in Fort Washington, 5 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,775 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,775 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5620 St Barnabas Rd Ste 240, Fort Washington, MD 20744
    View profile for United Air Temp(240) 342-3956

  4. #4 John C. Flood

    Based in Alexandria, 14 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 4,976 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 4,976 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6430 General Green Way, Alexandria, VA 22312
    View profile for John C. Flood(571) 605-7008

  5. #5 CroppMetcalfe

    Based in Fairfax, 17 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 7,638 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 7,638 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8421 Hilltop Rd, Fairfax, VA 22031
    View profile for CroppMetcalfe(703) 420-5030

  7. #7 United Air Temp

    Based in Greenbelt, 9 mi away

    63/100CR Score

    Ranked #7 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

  10. #10 Caffi Services

    Based in Alexandria, 8 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1313 Powhatan St, Alexandria, VA 22314
    View profile for Caffi Services(703) 962-6052

  15. #15 GAC Services

    Based in Gaithersburg, 23 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 6,908 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 6,908 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    227 E Deer Park Dr, Gaithersburg, MD 20877
    View profile for GAC Services(301) 202-1641

  20. #20 United Air Temp

    Based in Alexandria, 14 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,318 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,318 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6094 Franconia Rd # B, Alexandria, VA 22310
    View profile for United Air Temp(703) 762-2488

  23. #23 GW Air Service

    Based in St. Charles, 8 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 270 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 270 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for GW Air Service(240) 601-3041

Top 50 of 1,015 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 Coral Hills, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26All-Pro Inc614.5★ (246)4 mi
27United Air Temp614.4★ (4,301)17 mi
28C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC614.9★ (966)17 mi
29Cyprus Air Heating, Cooling and Fireplaces614.3★ (2,189)12 mi
30Staton Heating, Cooling & Plumbing614.9★ (2,904)23 mi
31United Air Temp614.8★ (146)6 mi
32A Action Home Services604.9★ (326)12 mi
33Fixed Right & Guaranteed Super Techs, LLC605.0★ (1,032)20 mi
34McCarthy Services604.4★ (3,547)18 mi
35Mission Comfort605.0★ (625)17 mi
36Narfix Heating and Air Conditioning LLc605.0★ (49)3 mi
37Su’Coy Heating, AC & Duct Cleaning604.9★ (64)3 mi
38ARS / Rescue Rooter604.4★ (3,510)18 mi
39JDL HVAC & Plumbing Services604.8★ (678)15 mi
40Logan Mechanical LLC604.7★ (155)6 mi
41MRM Services llc.605.0★ (27)In Coral Hills
42A-Plus Service Experts604.8★ (1,234)19 mi
43ACCURATE604.9★ (208)11 mi
44C&V Home Services Inc604.9★ (114)8 mi
45Cyprus Air Heating, Cooling and Fireplaces604.7★ (1,402)19 mi
46McDaniel Service, Inc604.9★ (770)18 mi
47Thomas E Clark Inc604.8★ (299)12 mi
48Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical604.8★ (291)12 mi
49Beltway Air Conditioning, Heating & Plumbing604.9★ (2,167)24 mi
50M.E. Flow604.7★ (1,169)18 mi

How we ranked emergency HVAC contractors in Coral Hills

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 Coral Hills: questions

Which HVAC contractors in Coral Hills are open 24/7?

25 on this list post 24/7 hours, including Michael & Son Services, United Air Temp, Len The Plumber Heating & Air, LLC, John C. Flood and CroppMetcalfe.

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

Michael & Son Services is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Coral Hills 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 Coral Hills

  1. October 2026: CR Scores recalculated for 1,015 hvac contractors serving Coral Hills.
  2. October 2026: 12 duplicate listings merged.

More emergency and heating and cooling pages