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Emergency HVAC Contractors in Silver Hill, MD (2026)

Top 50 of 967 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 Silver Hill: United Air Temp, 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 Silver Hill at a glance

Top emergency HVAC contractors in Silver Hill at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1United Air Temp924.8★ (1,775)Fort Washington, 2 mi away24/7
2Michael & Son Services924.7★ (15,537)Alexandria, 12 mi away24/7
3John C. Flood914.8★ (4,976)Alexandria, 12 mi away24/7
4CroppMetcalfe914.8★ (7,638)Fairfax, 16 mi away24/7
5Krafft Service Corporation914.9★ (1,631)Alexandria, 10 mi away24/7
6AZA heating, cooling, plumbing & construction915.0★ (959)Alexandria, 10 mi away24/7
7Len The Plumber Heating & Air, LLC904.6★ (8,136)Silver Spring, 13 mi away24/7
8Caffi Services904.9★ (508)Alexandria, 6 mi away24/7
9Belair Engineering and Service Company, Inc.904.9★ (1,421)Greater Upper Marlboro, 12 mi away24/7
10United Air Temp904.8★ (1,306)Greenbelt, 11 mi away24/7

Call an emergency HVAC contractor in Silver Hill 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 Silver Hill, 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 967 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Silver Hill

    #1 United Air Temp

    Based in Fort Washington, 2 mi away

    92/100CR Score

    Ranked #1 because of its Google rating and availability: 4.8★ from 1,775 Google reviews, open 24/7.

    • 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

  3. #3 John C. Flood

    Based in Alexandria, 12 mi away

    91/100CR Score

    Ranked #3 because of its Google rating and availability: 4.8★ from 4,976 Google reviews, open 24/7.

    • 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

  4. #4 CroppMetcalfe

    Based in Fairfax, 16 mi away

    91/100CR Score

    Ranked #4 because of its Google rating and availability: 4.8★ from 7,638 Google reviews, open 24/7.

    • 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

  8. #8 Caffi Services

    Based in Alexandria, 6 mi away

    90/100CR Score

    Ranked #8 because of its Google rating and availability: 4.9★ from 508 Google reviews, open 24/7.

    • 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

  10. #10 United Air Temp

    Based in Greenbelt, 11 mi away

    90/100CR Score

    Ranked #10 because of its Google rating and availability: 4.8★ from 1,306 Google reviews, open 24/7.

    • 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

  14. #14 United Air Temp

    Based in Alexandria, 12 mi away

    90/100CR Score

    Ranked #14 because of its Google rating and availability: 4.8★ from 1,318 Google reviews, open 24/7.

    • 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

  18. #18 GAC Services

    Based in Gaithersburg, 24 mi away

    89/100CR Score

    Ranked #18 because of its Google rating and availability: 4.9★ from 6,908 Google reviews, open 24/7.

    • 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

  21. #21 Mission Comfort

    Based in Waldorf, 15 mi away

    89/100CR Score

    Ranked #21 because of its Google rating and availability: 5.0★ from 625 Google reviews, open 24/7.

    • 5.0★ from 625 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11822 Pika Dr, Waldorf, MD 20602
    View profile for Mission Comfort(301) 450-5913

Top 50 of 967 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 Silver Hill, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26NARFIX HEATING AND AIR CONDITIONING LLC895.0★ (293)12 mi
27Narfix Heating and Air Conditioning LLc885.0★ (49)1 mi
28Fixed Right & Guaranteed Super Techs, LLC885.0★ (1,032)20 mi
29Su’Coy Heating, AC & Duct Cleaning884.9★ (64)1 mi
30McDaniel Service, Inc884.9★ (770)16 mi
31Magnolia Plumbing, Heating & Cooling884.4★ (1,519)8 mi
32A-Plus Service Experts884.8★ (1,234)17 mi
33ACCURATE884.9★ (208)10 mi
34Cardinal Plumbing Heating & Air Inc884.9★ (1,720)7 mi
35United Air Temp884.8★ (146)6 mi
36Aire Serv of Prince Georges County884.8★ (176)7 mi
37Cyprus Air Heating, Air Conditioning and Fireplaces884.8★ (908)16 mi
38Staton Heating, Cooling & Plumbing884.9★ (2,904)25 mi
39United Air Temp884.4★ (4,301)14 mi
40M.E. Flow884.8★ (866)16 mi
41Logan Mechanical LLC884.7★ (155)5 mi
42Commonwealth Cooling & Heating, LLC884.9★ (507)16 mi
43M.E. Flow884.7★ (1,169)16 mi
44United Air Temp884.9★ (313)13 mi
45Cyprus Air Heating, Cooling and Fireplaces884.3★ (2,189)10 mi
46Nelson's HVAC, LLC884.9★ (627)18 mi
47Leonard Splaine Co.874.9★ (1,060)21 mi
48Michael Bonsby HVAC, Plumbing and Electrical874.8★ (2,138)22 mi
49All-Pro Inc874.5★ (246)5 mi
50McCarthy Services874.4★ (3,547)16 mi

How we ranked emergency HVAC contractors in Silver Hill

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Silver Hill: questions

Which HVAC contractors in Silver Hill are open 24/7?

25 on this list post 24/7 hours, including United Air Temp, Michael & Son Services, John C. Flood, CroppMetcalfe and Krafft Service Corporation.

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

United Air Temp is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency HVAC contractors in Silver Hill ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Silver Hill

  1. October 2026: CR Scores recalculated for 967 hvac contractors serving Silver Hill.
  2. October 2026: 12 duplicate listings merged.

More emergency and heating and cooling pages