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ContractorsRanked

Best HVAC Contractors in Chevy Chase, MD (2026)

1,094 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Chevy Chase: GAC Services, CR Score 92/100; 4.9★ from 6,908 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Len The Plumber Heating & Air, LLC, posts 24/7 hours; ranked #2 of 1,094.

  3. 5

    Most-reviewed: Michael & Son Services, 15,537 Google reviews at 4.7★, the most of 1,094 ranked; ranked #5.

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

1,094 Chevy Chase HVAC contractors are ranked here by CR Score, from 8 published factors. 336 are open 24/7, 741 open Saturdays and 499 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,094 rated businesses.

Top 10 HVAC contractors in Chevy Chase at a glance

Top 10 HVAC contractors in Chevy Chase at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1GAC Services924.9★ (6,908)Gaithersburg, 11 mi away24/7Overall
2Len The Plumber Heating & Air, LLC924.6★ (8,136)Silver Spring, 3 mi away24/7Emergencies
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical914.7★ (5,985)Rockville, 7 mi away24/7—
4CroppMetcalfe914.8★ (7,638)Fairfax, 13 mi away24/7—
5Michael & Son Services914.7★ (15,537)Alexandria, 15 mi away24/7Most reviews
6NARFIX HEATING AND AIR CONDITIONING LLC905.0★ (293)Silver Spring, 5 mi away24/7—
7OHA HVAC, Plumbing, Chimney & Fireplaces904.9★ (1,794)Fairfax, 12 mi away24/7—
8AZA heating, cooling, plumbing & construction905.0★ (959)Alexandria, 13 mi away24/7—
9John C. Flood904.8★ (4,976)Alexandria, 15 mi away24/7—
10Presidential, Inc.904.9★ (1,701)Gaithersburg, 13 mi away24/7—

The 1,094 best HVAC contractors in Chevy Chase, 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 Chevy Chase

    #1 GAC Services

    Based in Gaithersburg, 11 mi away

    92/100CR Score

    Ranked #1 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

  4. #4 CroppMetcalfe

    Based in Fairfax, 13 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

  5. #5 Michael & Son Services

    Based in Alexandria, 15 mi away

    91/100CR Score

    Ranked #5 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

  9. #9 John C. Flood

    Based in Alexandria, 15 mi away

    90/100CR Score

    Ranked #9 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

  10. #10 Presidential, Inc.

    Based in Gaithersburg, 13 mi away

    90/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 1,701 Google reviews, open 24/7.

    • 4.9★ from 1,701 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8000 Cessna Ave, Gaithersburg, MD 20879
    View profile for Presidential, Inc.(301) 719-3315

  17. #17 United Air Temp

    Based in Greenbelt, 11 mi away

    89/100CR Score

    Ranked #17 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

  22. #22 United Air Temp

    Based in Fort Washington, 14 mi away

    89/100CR Score

    Ranked #22 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

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 1,094 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Chevy Chase, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Caffi Services884.9★ (508)13 mi
27EzGreen Air Duct And Dryer Vent Cleaning884.9★ (90)3 mi
28Michael & Son Services884.9★ (1,501)19 mi
29One Hour Air Conditioning & Heating® of Gaithersburg884.8★ (302)7 mi
30AVS Heating and Air Conditioning Bethesda - Appliance, Heating, AC Install, Repair Maintenance Service884.8★ (104)2 mi
31EzGreen Air duct And Dryer Vent Cleaning884.9★ (130)5 mi
32Michael & Son Services884.8★ (8,326)12 mi
33United Air Temp884.8★ (1,318)16 mi
34AG Services – Electrical, Air Conditioning, Heating & Plumbing884.9★ (440)14 mi
35AMS Air Conditioning & Heating884.9★ (116)6 mi
36Belair Engineering and Service Company, Inc.884.9★ (1,421)20 mi
37Cardinal Plumbing Heating & Air Inc884.9★ (745)17 mi
38Cool Breeze Plumbing, Heating & A/C884.8★ (666)13 mi
39Su' Coy Heating, AC & Duct Cleaning884.9★ (205)9 mi
40United Air Temp884.8★ (2,161)19 mi
41Cycle Heating and Cooling, LLC884.9★ (77)4 mi
42Metro Services HVAC884.9★ (298)12 mi
43John Nugent & Sons884.8★ (1,701)18 mi
44Environmental Systems Associates874.9★ (658)17 mi
45F.H. Furr Plumbing, Heating, Air Conditioning & Electrical874.7★ (4,469)20 mi
46Grove Heating & Cooling874.9★ (1,156)20 mi
47ACCURATE874.9★ (208)11 mi
48Heating Ventilation Air Conditioning Mechanical Service875.0★ (71)7 mi
49Magnolia Plumbing, Heating & Cooling874.4★ (1,519)5 mi
50F.H. Furr Plumbing, Heating, Air Conditioning & Electrical874.8★ (2,314)21 mi

Also serving Chevy Chase

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 Chevy Chase
BusinessGoogle ratingDistance
APC Services, LLC4.3★ (32)In Chevy Chase
Aritty LLCIn Chevy Chase
Barivo HVAC Repair Washington5.0★ (2)7 mi
Best Air QualityIn Chevy Chase
Conrod's Plumbing Heating and A/C5.0★ (2)3 mi
DMV Mechanical3.0★ (2)3 mi
Energy Systems Inc3.0★ (2)6 mi
GEM Residential ServicesIn Chevy Chase
Helino HVAC Repair Washington5.0★ (2)7 mi
HVAC Leesburg VAIn Chevy Chase
JC & JC HVAC4.7★ (503)9 mi
JDL HVAC & Plumbing Services4.8★ (678)13 mi
Owens & Johnsons Heating and Cooling3.0★ (2)7 mi
Pavilo HVAC Repair Washington5.0★ (2)7 mi
Pipe Dreams Plumbing & Heating, Inc1.0★ (1)In Chevy Chase
R And R Climate Control Inc5.0★ (2)6 mi
R D Springer Plumbing & Heating5.0★ (2)6 mi
Teravo HVAC Repair Washington5.0★ (2)7 mi
Vito Services4.7★ (1,351)7 mi
Y & B & Z HVAC5.0★ (1)In Chevy Chase

How much do HVAC contractors cost in Chevy Chase?

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

How much do HVAC contractors cost in Chevy Chase?
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 Chevy Chase HVAC contractors

We scored 1,094 Chevy Chase 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 Chevy Chase 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 Chevy Chase: frequently asked questions

Who is the best HVAC contractor in Chevy Chase?

By CR Score, the highest-ranked HVAC contractor in Chevy Chase, MD is GAC Services with a CR Score of 92/100. It has 4.9★ from 6,908 Google reviews. It is open 24/7. Len The Plumber Heating & Air, LLC (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#3) follow. We ranked 1,094 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Chevy Chase?

ContractorsRanked ranks 1,094 HVAC contractors serving Chevy Chase, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Chevy Chase are open 24/7?

336 ranked HVAC contractors in Chevy Chase post 24/7 hours. The highest-ranked are GAC Services (#1), Len The Plumber Heating & Air, LLC (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Chevy Chase work on weekends?

741 of 1,094 ranked HVAC contractors post Saturday hours and 499 post Sunday hours. The highest-ranked open Saturdays are GAC Services (#1), Len The Plumber Heating & Air, LLC (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#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 Chevy Chase?

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 Chevy Chase. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Chevy Chase HVAC contractors have?

The median Google rating among 1,094 rated HVAC contractors in Chevy Chase is 4.9★, with a median of 24 reviews. Michael & Son Services has the most, 15,537 reviews, and ranks #5. 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 Chevy Chase?

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 Chevy Chase

  1. October 2026: CR Scores recalculated for 1,094 hvac contractors serving Chevy Chase.
  2. October 2026: 11 duplicate listings merged.

More HVAC contractors and Chevy Chase pages

Other trades in Chevy Chase