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Best HVAC Contractors in Washington, D.C., DC (2026)

1,130 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Washington, D.C.: Michael & Son Services, CR Score 64/100; 4.7★ from 15,537 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): CroppMetcalfe, posts 24/7 hours; ranked #2 of 1,130.

  3. 9

    Most-reviewed: Michael & Son Services, 8,326 Google reviews at 4.8★, the most of 1,130 ranked after Michael & Son Services; ranked #9.

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

1,130 Washington, D.C. HVAC contractors are ranked here by CR Score, from ten published factors. 355 are open 24/7, 759 open Saturdays and 516 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,130 rated businesses.

Top 10 HVAC contractors in Washington, D.C. at a glance

Top 10 HVAC contractors in Washington, D.C. at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Michael & Son Services644.7★ (15,537)Alexandria, 10 mi away24/7Overall
2CroppMetcalfe644.8★ (7,638)Fairfax, 11 mi away24/7Emergencies
3John C. Flood644.8★ (4,976)Alexandria, 10 mi away24/7—
4Len The Plumber Heating & Air, LLC634.6★ (8,136)Silver Spring, 8 mi away24/7—
5AZA heating, cooling, plumbing & construction635.0★ (959)Alexandria, 8 mi away24/7—
6Krafft Service Corporation634.9★ (1,631)Alexandria, 8 mi away24/7—
7United Air Temp634.8★ (1,775)Fort Washington, 7 mi away24/7—
8OHA HVAC, Plumbing, Chimney & Fireplaces634.9★ (1,794)Fairfax, 10 mi away24/7—
9Michael & Son Services634.8★ (8,326)Hyattsville, 10 mi awaySat · SunMost reviews
10GAC Services634.9★ (6,908)Gaithersburg, 19 mi away24/7—

The 1,130 best HVAC contractors in Washington, D.C., ranked

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

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Washington, D.C.

    #1 Michael & Son Services

    Based in Alexandria, 10 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.7★ from 15,537 Google reviews, the most in Washington, D.C..

    • 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

  2. #2 CroppMetcalfe

    Based in Fairfax, 11 mi away

    64/100CR Score

    Ranked #2 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

  3. #3 John C. Flood

    Based in Alexandria, 10 mi away

    64/100CR Score

    Ranked #3 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

  7. #7 United Air Temp

    Based in Fort Washington, 7 mi away

    63/100CR Score

    Ranked #7 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

  10. #10 GAC Services

    Based in Gaithersburg, 19 mi away

    63/100CR Score

    Ranked #10 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

  11. #11 Caffi Services

    Based in Alexandria, 5 mi away

    62/100CR Score

    Ranked #11 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

  16. #16 United Air Temp

    Based in Alexandria, 10 mi away

    62/100CR Score

    Ranked #16 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

  20. #20 United Air Temp

    Based in Greenbelt, 11 mi away

    62/100CR Score

    Ranked #20 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

  24. #24 ACCURATE

    Based in Falls Church, 6 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 208 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5613 VA-7 #31, Falls Church, VA 22041
    View profile for ACCURATE(703) 625-0294

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 1,130 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Washington, D.C., ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26A Action Home Services614.9★ (326)9 mi
27Nelson's HVAC, LLC614.9★ (627)12 mi
28Cardinal Plumbing Heating & Air Inc614.9★ (2,958)22 mi
29Lowe's Air Duct Cleaning614.9★ (785)3 mi
30Sweet Spot Home Services615.0★ (379)7 mi
31McDaniel Service, Inc604.9★ (770)15 mi
32Snell Home Services604.8★ (5,283)23 mi
33Thomas E Clark Inc604.8★ (299)8 mi
34Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical604.8★ (291)8 mi
35United Air Temp604.9★ (313)10 mi
36ACA Power and Mechanical604.9★ (56)In Washington, D.C.
37Cyprus Air Heating, Cooling and Fireplaces604.7★ (1,402)14 mi
38Nero's Heating and Air604.9★ (166)7 mi
39AllTech Services, Inc604.9★ (2,807)23 mi
40Presidential, Inc.604.9★ (1,701)20 mi
41McMurrays Heating & A.C.604.9★ (46)In Washington, D.C.
42Meade's Heating and Air605.0★ (1,428)22 mi
43United Air Temp604.4★ (4,301)13 mi
44Cyprus Air Heating, Air Conditioning and Fireplaces604.8★ (908)15 mi
45M.E. Flow604.8★ (866)15 mi
46Perry Aire Services, Inc604.6★ (181)3 mi
47Rios HVAC Services, LLC.604.9★ (119)In Washington, D.C.
48Cardinal Plumbing Heating & Air Inc604.9★ (1,720)6 mi
49Commonwealth Cooling & Heating, LLC604.9★ (507)15 mi
50Hugee Corporation604.6★ (89)In Washington, D.C.

Also serving Washington, D.C.

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 Washington, D.C.
BusinessGoogle ratingDistance
Affordable Air Conditioning & Heating Washington City5.0★ (1)In Washington, D.C.
Coreno HVAC Repair Washington5.0★ (2)In Washington, D.C.
Cyprus Air Heating, Cooling and Fireplaces4.3★ (2,189)10 mi
DC HVAC, Heating and Air Conditioning5.0★ (2)In Washington, D.C.
Ellington Mechanical Services, Inc.5.0★ (1)In Washington, D.C.
Helino HVAC Repair Washington5.0★ (2)In Washington, D.C.
Heravo HVAC Repair Washington5.0★ (2)In Washington, D.C.
Intelligent Energy Light and Power, LLC5.0★ (1)In Washington, D.C.
M.E. Flow4.7★ (1,169)15 mi
McCarthy Services4.4★ (3,547)14 mi
Michael & Son Services4.7★ (419)10 mi
Nimbus HVAC Repair Washington5.0★ (1)In Washington, D.C.
Norino HVAC Repair Washington5.0★ (1)In Washington, D.C.
Pavilo HVAC Repair Washington5.0★ (2)In Washington, D.C.
Ralphs heating and air llc5.0★ (1)In Washington, D.C.
Teravo HVAC Repair Washington5.0★ (2)In Washington, D.C.
TRINITY PRO SERVICES4.7★ (257)8 mi
Vito Services4.7★ (1,351)15 mi
Xavino HVAC Repair Washington5.0★ (2)In Washington, D.C.
Zelavo HVAC Repair Washington5.0★ (2)In Washington, D.C.

How much do HVAC contractors cost in Washington, D.C.?

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

How much do HVAC contractors cost in Washington, D.C.?
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 District of Columbia

In District of Columbia, DC Board of Industrial Trades (Department of Licensing and Consumer Protection) licenses Refrigeration and air conditioning mechanic licenses.

  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 District of Columbia

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 Washington, D.C. HVAC contractors

We scored 1,130 Washington, D.C. HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Washington, D.C. data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Washington, D.C.: frequently asked questions

Who is the best HVAC contractor in Washington, D.C.?

By CR Score, the highest-ranked HVAC contractor in Washington, D.C., DC is Michael & Son Services with a CR Score of 64/100. It has 4.7★ from 15,537 Google reviews. It is open 24/7. CroppMetcalfe (#2) and John C. Flood (#3) follow. We ranked 1,130 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Washington, D.C.?

ContractorsRanked ranks 1,130 HVAC contractors serving Washington, D.C., DC. 8 of them are based in Washington, D.C.; 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 Washington, D.C. are open 24/7?

355 ranked HVAC contractors in Washington, D.C. post 24/7 hours. The highest-ranked are Michael & Son Services (#1), CroppMetcalfe (#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 Washington, D.C. work on weekends?

759 of 1,130 ranked HVAC contractors post Saturday hours and 516 post Sunday hours. The highest-ranked open Saturdays are Michael & Son Services (#1), CroppMetcalfe (#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 District of Columbia?

In District of Columbia, DC Board of Industrial Trades (Department of Licensing and Consumer Protection) handles licensing and covers Refrigeration and air conditioning mechanic licenses.

How much does ac replacement cost in Washington, D.C.?

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 Washington, D.C.. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Washington, D.C. HVAC contractors have?

The median Google rating among 1,130 rated HVAC contractors in Washington, D.C. is 4.9★, with a median of 23 reviews. Michael & Son Services has the most, 15,537 reviews, and ranks #1. 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 Washington, D.C.?

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 Washington, D.C.

  1. October 2026: CR Scores recalculated for 1,130 hvac contractors serving Washington, D.C..
  2. October 2026: 14 duplicate listings merged.

More HVAC contractors and Washington, D.C. pages

HVAC contractors near Washington, D.C.

Other trades in Washington, D.C.