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ContractorsRanked

Best HVAC Contractors in Fort Washington, MD (2026)

820 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Fort Washington: United Air Temp, CR Score 93/100; 4.8★ from 1,775 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Michael & Son Services, posts 24/7 hours; ranked #2 of 820.

  3. 2

    Most-reviewed: Michael & Son Services, 15,537 Google reviews at 4.7★, the most of 820 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

820 Fort Washington HVAC contractors are ranked here by CR Score, from 8 published factors. 271 are open 24/7, 570 open Saturdays and 389 open Sundays, based on posted hours. The median Google rating is 4.9★ across 820 rated businesses.

Top 10 HVAC contractors in Fort Washington at a glance

Top 10 HVAC contractors in Fort Washington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1United Air Temp934.8★ (1,775)Fort Washington24/7Overall
2Michael & Son Services924.7★ (15,537)Alexandria, 10 mi away24/7Emergencies, Most reviews
3John C. Flood914.8★ (4,976)Alexandria, 10 mi away24/7—
4Krafft Service Corporation914.9★ (1,631)Alexandria, 9 mi away24/7—
5AZA heating, cooling, plumbing & construction915.0★ (959)Alexandria, 10 mi away24/7—
6Mission Comfort905.0★ (625)Waldorf, 9 mi away24/7—
7F.H. Furr Plumbing, Heating, Air Conditioning & Electrical904.7★ (4,469)Lorton, 9 mi away24/7—
8CroppMetcalfe904.8★ (7,638)Fairfax, 16 mi away24/7—
9United Air Temp904.8★ (1,318)Alexandria, 8 mi away24/7—
10McDaniel Service, Inc904.9★ (770)Lorton, 9 mi away24/7—

The 820 best HVAC contractors in Fort Washington, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

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 Fort Washington

    #1 United Air Temp

    Based in Fort Washington

    93/100CR 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

  2. #2 Michael & Son Services

    Based in Alexandria, 10 mi away

    92/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.7★ from 15,537 Google reviews, the most Google reviews on this list (15,537).

    • 4.7★ from 15,537 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5740 General Washington Dr, Alexandria, VA 22312
    View profile for Michael & Son Services(800) 948-6453

  3. #3 John C. Flood

    Based in Alexandria, 10 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

  6. #6 Mission Comfort

    Based in Waldorf, 9 mi away

    90/100CR Score

    Ranked #6 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

  8. #8 CroppMetcalfe

    Based in Fairfax, 16 mi away

    90/100CR Score

    Ranked #8 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

  9. #9 United Air Temp

    Based in Alexandria, 8 mi away

    90/100CR Score

    Ranked #9 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

  12. #12 Caffi Services

    Based in Alexandria, 8 mi away

    90/100CR Score

    Ranked #12 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

  21. #21 M.E. Flow

    Based in Lorton, 9 mi away

    89/100CR Score

    Ranked #21 because of its Google rating and availability: 4.8★ from 866 Google reviews, open 24/7.

    • 4.8★ from 866 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7200 Telegraph Square Dr, Lorton, VA 22079
    View profile for M.E. Flow(571) 470-7235

  24. #24 M.E. Flow

    Based in Lorton, 9 mi away

    89/100CR Score

    Ranked #24 because of its Google rating and availability: 4.7★ from 1,169 Google reviews, open 24/7.

    • 4.7★ from 1,169 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8580 Cinder Bed Rd #200, Lorton, VA 22079
    View profile for M.E. Flow(571) 350-3183

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 820 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Fort Washington, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Air Temp884.7★ (855)10 mi
27United Air Temp884.9★ (313)11 mi
28United Air Temp884.7★ (1,754)14 mi
29Belair Engineering and Service Company, Inc.884.9★ (1,421)20 mi
30United Air Temp884.4★ (4,301)9 mi
31Comfort Solutions884.8★ (298)9 mi
32Cardinal Plumbing Heating & Air Inc874.9★ (1,720)7 mi
33ACCURATE874.9★ (208)11 mi
34Kelvin Services874.8★ (50)In Fort Washington
35Len the Plumber Heating & Air, LLC874.7★ (6,899)9 mi
36McCarthy Services874.4★ (3,547)10 mi
37Nelson's HVAC, LLC874.9★ (627)18 mi
38Cyprus Air Heating, Cooling and Fireplaces874.3★ (2,189)5 mi
39Len The Plumber Heating & Air, LLC874.6★ (8,136)21 mi
40Su' Coy Heating, AC & Duct Cleaning874.9★ (205)12 mi
41KPK Enterprise Heating and Cooling875.0★ (320)6 mi
42HPC Services864.9★ (92)9 mi
43United Air Temp864.8★ (1,306)21 mi
44Michael & Son Services864.8★ (8,326)18 mi
45Alex Hvac Service LLC864.9★ (310)17 mi
46DR HVAC Inc864.9★ (348)18 mi
47McCarthy Services864.8★ (335)16 mi
48NARFIX HEATING AND AIR CONDITIONING LLC865.0★ (293)21 mi
49HVAC & Plumbing Unlimited864.9★ (788)11 mi
50Su’Coy Heating, AC & Duct Cleaning864.9★ (64)9 mi

Also serving Fort Washington

20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Fort Washington
BusinessGoogle ratingDistance
Ace HVAC & Airduct cleaning Conditioning4.5★ (2)4 mi
Airtron Heating & Air Conditioning2.5★ (2)10 mi
ARS / Rescue Rooter4.5★ (5,934)24 mi
AY Comfort, Inc.5.0★ (2)11 mi
Back 2 Basic HVAC LLC5.0★ (2)4 mi
Casey's HVAC ServicesIn Fort Washington
Construction Trade Services3.0★ (2)10 mi
DKS Enterprise LLC5.0★ (2)11 mi
DM Select Services5.0★ (2)10 mi
Frosty's Heating and Cooling5.0★ (1)In Fort Washington
Frosty's Heating and CoolingIn Fort Washington
JM INSULATION LLC5.0★ (2)6 mi
K 2 Ventilations5.0★ (2)9 mi
Logan Mechanical LLC4.7★ (155)8 mi
M.H. DEEN HVAC SOLUTIONSIn Fort Washington
Multi MG Services4.8★ (64)8 mi
Sears Heating and Air Conditioning3.0★ (2)8 mi
Sears Window Replacement2.5★ (2)10 mi
TRINITY PRO SERVICES4.7★ (257)10 mi
Ultra Painting HVAC Pros5.0★ (2)8 mi

How much do HVAC contractors cost in Fort Washington?

National price ranges in USD, not adjusted for Fort Washington. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Fort Washington?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Maryland

In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in Maryland

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Fort Washington HVAC contractors

We scored 820 Fort Washington HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

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 fromIn Fort Washington data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Fort Washington: frequently asked questions

Who is the best HVAC contractor in Fort Washington?

By CR Score, the highest-ranked HVAC contractor in Fort Washington, MD is United Air Temp with a CR Score of 93/100. It has 4.8★ from 1,775 Google reviews. It is open 24/7. Michael & Son Services (#2) and John C. Flood (#3) follow. We ranked 820 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Fort Washington?

ContractorsRanked ranks 820 HVAC contractors serving Fort Washington, MD. 2 of them are based in Fort Washington; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Fort Washington are open 24/7?

271 ranked HVAC contractors in Fort Washington post 24/7 hours. The highest-ranked are United Air Temp (#1), Michael & Son Services (#2) and John C. Flood (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Fort Washington work on weekends?

570 of 820 ranked HVAC contractors post Saturday hours and 389 post Sunday hours. The highest-ranked open Saturdays are United Air Temp (#1), Michael & Son Services (#2) and John C. Flood (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Maryland?

In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors handles licensing and covers Heating, ventilation, air conditioning and refrigeration work.

How much does ac replacement cost in Fort Washington?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Fort Washington. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Fort Washington HVAC contractors have?

The median Google rating among 820 rated HVAC contractors in Fort Washington is 4.9★, with a median of 22 reviews. Michael & Son Services has the most, 15,537 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Fort Washington?

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

Update log for Fort Washington

  1. October 2026: CR Scores recalculated for 820 hvac contractors serving Fort Washington.
  2. October 2026: 10 duplicate listings merged.

More HVAC contractors and Fort Washington pages

Other trades in Fort Washington