Best HVAC companies in Fairfax, VA

The highest-scoring HVAC company in and near Fairfax is Beacon Home Services (score 90, 4.9 stars from 6,147 Google reviews). 38 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    Beacon Home Services

    4.9 · 6,147 Google reviewsManassas, VA24 years in business

    Beacon Home Services provides plumbing, drain, electrical, heating, and cooling services across Northern Virginia and Montgomery County, Maryland. The family-owned and operated company states that it has served the re…

    InsuredFree estimatesEmergency serviceFinancing available
    90SCORE
  2. 2

    Krafft Service Corporation

    4.9 · 1,776 Google reviewsAlexandria, VA86 years in business

    Krafft Service Corporation is a family-owned HVAC company serving homes and small businesses in Alexandria, Arlington, Fairfax, McLean, Woodbridge, and nearby parts of the DC Metro Area. Operating since 1940, the comp…

    Financing availableEmergency service
    89SCORE
  3. 3

    F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

    4.8 · 5,327 Google reviewsLorton, VA45 years in business

    F.H. Furr Plumbing, Heating, Air Conditioning & Electrical provides home plumbing, heating, cooling, electrical, drain, sewer, and indoor air quality services. Founded in 1981, the locally operated company serves home…

    Emergency serviceFinancing availableBackground-checked
    86SCORE
  4. 4

    AZA heating, cooling, plumbing & construction

    5.0 · 1,083 Google reviewsAlexandria, VA

    AZA heating, cooling, plumbing & construction provides residential and commercial services in Washington, DC, Maryland, and Virginia. The company handles heating system installation, maintenance, and emergency repair…

    Emergency service
    84SCORE
  5. 5

    Cardinal Plumbing Heating & Air Inc

    4.9 · 1,992 Google reviewsAlexandria, VA

    Cardinal Plumbing Heating & Air Inc provides plumbing, heating, cooling, drain, sewer, and indoor air quality services across Northern Virginia. Its licensed technicians repair air conditioners and furnaces, replace w…

    82SCORE
  6. 6

    MVM Home Service INC

    5.0 · 643 Google reviews

    MVM Home Service INC provides heating, air conditioning, and indoor comfort services in Alexandria, Northern Virginia, and surrounding areas. The family-owned, certified and insured company installs, repairs, and main…

    Emergency service
    82SCORE
  7. 7

    C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC

    4.9 · 1,173 Google reviewsSpringfield, VA
    80SCORE
  8. 8

    Chandler's Plumbing & Heating

    4.9 · 1,085 Google reviewsFalls Church, VA
    80SCORE
  9. 9

    Lowe's Air Duct Cleaning

    4.9 · 816 Google reviewsArlington, VA
    78SCORE
  10. 10

    Air Duct Cleaners Pro [Air Duct Vent LLC]

    5.0 · 299 Google reviewsArlington, VA
    78SCORE
  11. 11

    Caffi Services

    4.9 · 648 Google reviewsAlexandria, VA
    77SCORE
  12. 12

    AG Services

    4.9 · 562 Google reviewsAlexandria, VA
    77SCORE
  13. 13

    DC AIR CONDITIONING &Heating

    4.9 · 464 Google reviewsWashington, DC
    77SCORE
  14. 14

    Winds of Valley LLC

    4.9 · 330 Google reviewsAlexandria, VA
    75SCORE
  15. 15

    AHS heating and air

    5.0 · 216 Google reviewsAlexandria, VA
    75SCORE
  16. 16

    Michael & Son Services

    4.7 · 16,030 Google reviewsAlexandria, VA
    74SCORE
  17. 17

    Len the Plumber Heating & Air, LLC

    4.7 · 7,709 Google reviewsAlexandria, VA
    74SCORE
  18. 18

    Cyprus Air Heating, Air Conditioning and Fireplaces

    4.8 · 956 Google reviewsLorton, VA
    74SCORE
  19. 19

    Richard's Heating & Air Conditioning

    4.8 · 653 Google reviewsFalls Church, VA
    74SCORE
  20. 20

    B.L. James & Son

    4.9 · 431 Google reviewsArlington, VA
    74SCORE
  21. 21

    Frosty’s Heating & Cooling, Inc.

    4.8 · 587 Google reviewsAlexandria, VA
    73SCORE
  22. 22

    Arlington Heating & Air Conditioning

    4.8 · 522 Google reviewsArlington, VA
    73SCORE
  23. 23

    Integrity Duct & HVAC Services

    5.0 · 106 Google reviews
    72SCORE
  24. 24

    B&B Air Conditioning & Heating Service

    4.9 · 346 Google reviewsFairfax, VA
    71SCORE
  25. 25

    PipeWorks Plumbing, Heating and Air

    4.9 · 416 Google reviewsBethesda, MD
    70SCORE
  26. 26

    Argent Heating Cooling and Plumbing

    4.7 · 473 Google reviewsFairfax, VA
    69SCORE
  27. 27

    Heating Ventilation Air Conditioning Mechanical Service

    5.0 · 88 Google reviewsWashington, DC
    69SCORE
  28. 28

    AA RAPID Plumbing, Air Conditioning, Heating LLC

    4.8 · 195 Google reviewsFairfax, VA
    Emergency service
    68SCORE
  29. 29

    Salvation Heating & Air Conditioning

    5.0 · 102 Google reviewsWest Springfield, VA
    67SCORE
  30. 30

    Interclimate AC&Heating

    5.0 · 78 Google reviews
    66SCORE

Compare the top 10

Top HVAC companies in Fairfax by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Beacon Home Services904.96,14724Manassas
2Krafft Service Corporation894.91,77686Alexandria
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical864.85,32745Lorton
4AZA heating, cooling, plumbing & construction845.01,083–Alexandria
5Cardinal Plumbing Heating & Air Inc824.91,992–Alexandria
6MVM Home Service INC825.0643–
7C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC804.91,173–Springfield
8Chandler's Plumbing & Heating804.91,085–Falls Church
9Lowe's Air Duct Cleaning784.9816–Arlington
10Air Duct Cleaners Pro [Air Duct Vent LLC]785.0299–Arlington

HVAC companies in Fairfax: quick answers

Who is the highest-rated HVAC company in Fairfax, VA?

Beacon Home Services has the highest 5 Star Score among HVAC companies in and near Fairfax: 90 out of 100, with a 4.9 star Google rating from 6,147 reviews.

How many 5 Star HVAC companies serve Fairfax?

38 HVAC companies meet our standard within about 16 miles of Fairfax: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 51,253 Google reviews between them, averaging 4.89 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.