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Best HVAC companies in Baltimore, MD

The highest-scoring HVAC company in and near Baltimore is Heil Plumbing & HVAC (score 87, 5.0 stars from 2,687 Google reviews). 71 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.

Last updated Sep 25, 2026How we rank
  1. 1

    Heil Plumbing & HVAC

    5.0 · 2,687 Google reviewsJessup, MD
    87SCORE
    (410) 799-7727 WebsiteFull profile
  2. 2

    Cornett Heating & Cooling

    5.0 · 1,108 Google reviewsPasadena, MD
    84SCORE
    (410) 801-7771 WebsiteFull profile
  3. 3

    Complete Climate Services LLC

    5.0 · 1,035 Google reviewsBaltimore, MD
    84SCORE
    (443) 222-0744 WebsiteFull profile
  4. 4

    Beltway Air Conditioning, Heating & Plumbing

    4.9 · 2,739 Google reviewsHanover, MD
    83SCORE
    (443) 727-1542 WebsiteFull profile
  5. 5

    Boothe's Heating, Air, Plumbing, Drains & Electrical

    4.9 · 2,165 Google reviewsCurtis Bay Industrial Area, MD
    82SCORE
    (410) 650-5690 WebsiteFull profile
  6. 6

    Buric Heating and Air Conditioning

    5.0 · 470 Google reviewsColumbia, MD
    81SCORE
    (410) 593-1980 WebsiteFull profile
  7. 7

    SJT Plumbing & HVAC

    4.9 · 1,003 Google reviewsBaltimore, MD
    79SCORE
    (443) 838-6864 WebsiteFull profile
  8. 8

    Clarksville Heating & Air, LLC

    4.9 · 833 Google reviewsHanover, MD
    79SCORE
    (443) 278-2961 WebsiteFull profile
  9. 9

    CroppMetcalfe Columbia

    4.9 · 813 Google reviewsColumbia, MD
    79SCORE
    (410) 505-7670 WebsiteFull profile
  10. 10
    78SCORE
    (484) 795-1686 WebsiteFull profile
  11. 11

    Amazing Plumbing, Heating & Air

    4.8 · 2,373 Google reviewsBaltimore, MD
    78SCORE
    (410) 864-9280 WebsiteFull profile
  12. 12

    B&B Air Conditioning & Heating Service

    4.9 · 837 Google reviewsElkridge, MD
    78SCORE
    (410) 995-9863 WebsiteFull profile
  13. 13

    SuperTech Services

    4.9 · 688 Google reviewsTimonium, MD
    Emergency serviceFinancing availableBackground-checked
    78SCORE
    (443) 383-6898 WebsiteFull profile
  14. 14

    Fluid Plumbing & Heating LLC

    5.0 · 249 Google reviews
    78SCORE
    (443) 413-4117 WebsiteFull profile
  15. 15

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

    4.8 · 2,128 Google reviewsGlen Burnie, MD
    77SCORE
    (410) 943-2535 WebsiteFull profile
  16. 16

    Alpha Heating & Air Conditioning, LLC

    4.9 · 531 Google reviews
    77SCORE
    (443) 983-9197 WebsiteFull profile
  17. 17

    Green Comfort Systems

    4.9 · 483 Google reviewsRosedale, MD
    77SCORE
    (443) 607-5151 WebsiteFull profile
  18. 18

    Triple E

    4.9 · 496 Google reviewsReisterstown, MD
    76SCORE
    (410) 833-1133 WebsiteFull profile
  19. 19

    Maryland Heating & Air

    4.9 · 463 Google reviewsEssex, MD
    75SCORE
    (855) 410-8324 WebsiteFull profile
  20. 20

    SG Heating & Cooling Inc.

    5.0 · 125 Google reviewsColumbia, MD
    75SCORE
    (443) 909-8865 WebsiteFull profile
  21. 21

    Len The Plumber Heating & Air, LLC

    4.7 · 18,013 Google reviewsHalethorpe, MD
    74SCORE
    (410) 324-3635 WebsiteFull profile
  22. 22

    Michael & Son Services

    4.7 · 9,086 Google reviewsBaltimore, MD
    74SCORE
    (410) 406-7397 WebsiteFull profile
  23. 23

    Albright's Mechanical Services

    4.8 · 718 Google reviewsEssex, MD
    74SCORE
    (410) 834-0148 WebsiteFull profile
  24. 24

    Elmar Heating & Cooling

    4.8 · 676 Google reviewsTimonium, MD
    74SCORE
    (443) 266-8014 WebsiteFull profile
  25. 25

    SM Mechanical LLC

    4.9 · 238 Google reviewsEssex, MD
    74SCORE
    (443) 559-5314 WebsiteFull profile
  26. 26
    74SCORE
    (443) 478-0515 WebsiteFull profile
  27. 27

    Elite Plumbing & Home Services

    4.9 · 254 Google reviews
    73SCORE
    (443) 343-2284 WebsiteFull profile
  28. 28

    Staton Heating Cooling Plumbing

    4.9 · 194 Google reviewsCockeysville, MD
    73SCORE
    (410) 267-3443 WebsiteFull profile
  29. 29

    Modern Air Conditioning & Heating, Inc.

    5.0 · 135 Google reviewsEssex, MD
    73SCORE
    (443) 316-1139 WebsiteFull profile
  30. 30

    Abbott Brothers Plumbing & Heating of Maryland

    4.8 · 406 Google reviewsBaltimore, MD
    72SCORE
    (410) 256-2027 WebsiteFull profile

Compare the top 10

Top HVAC companies in Baltimore by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Heil Plumbing & HVAC875.02,687–Jessup
2Cornett Heating & Cooling845.01,108–Pasadena
3Complete Climate Services LLC845.01,035–Baltimore
4Beltway Air Conditioning, Heating & Plumbing834.92,739–Hanover
5Boothe's Heating, Air, Plumbing, Drains & Electrical824.92,165–Curtis Bay Industrial Area
6Buric Heating and Air Conditioning815.0470–Columbia
7SJT Plumbing & HVAC794.91,003–Baltimore
8Clarksville Heating & Air, LLC794.9833–Hanover
9CroppMetcalfe Columbia794.9813–Columbia
10Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical784.85,146–Windsor Mill

HVAC companies in Baltimore: quick answers

Who is the highest-rated HVAC company in Baltimore, MD?

Heil Plumbing & HVAC has the highest 5 Star Score among HVAC companies in and near Baltimore: 87 out of 100, with a 5.0 star Google rating from 2,687 reviews.

How many 5 Star HVAC companies serve Baltimore?

71 HVAC companies meet our standard within 25 km of Baltimore: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 56,227 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.