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Best HVAC companies in Oak Lawn, IL

The highest-scoring HVAC company in and near Oak Lawn is Allegiance Heating & Cooling (score 85, 4.9 stars from 532 Google reviews). 53 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.

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

    Allegiance Heating & Cooling

    4.9 · 532 Google reviewsMokena, IL27 years in business
    Family-ownedFree estimatesEmergency serviceFinancing available
    85SCORE
    (815) 627-1003 WebsiteFull profile
  2. 2

    Precision Today Plumbing Heating Cooling Electrical (Dykstra Home Services)

    4.8 · 1,058 Google reviewsPalos Heights, IL34 years in business
    Emergency serviceFinancing availableBackground-checked
    83SCORE
    (708) 312-1484 WebsiteFull profile
  3. 3

    Chicago HVAC Repair Doctor, Inc.

    4.9 · 944 Google reviews
    InsuredBondedFamily-ownedFree estimates
    79SCORE
    (872) 327-6372 WebsiteFull profile
  4. 4

    Pro Comfort Solutions

    5.0 · 288 Google reviewsChicago, IL
    79SCORE
    (872) 364-4946 WebsiteFull profile
  5. 5

    The Heat Engineering Co.

    4.9 · 694 Google reviewsCountryside, IL
    78SCORE
    (708) 246-3300 WebsiteFull profile
  6. 6

    A+ Appliance Repair and Maintenance of Chicago

    4.9 · 517 Google reviewsChicago, IL
    77SCORE
    (872) 250-3778 WebsiteFull profile
  7. 7

    Kavana's Plumbing and Heating

    5.0 · 239 Google reviewsChicago, IL
    77SCORE
    (773) 908-5454 WebsiteFull profile
  8. 8

    City & Suburban

    5.0 · 209 Google reviewsChicago, IL
    77SCORE
    (773) 238-3838 WebsiteFull profile
  9. 9

    House of Heat

    4.9 · 488 Google reviewsOak Park, IL
    76SCORE
    (708) 848-3291 WebsiteFull profile
  10. 10

    JC Heating & Cooling, Inc

    4.9 · 433 Google reviewsHodgkins, IL
    76SCORE
    (708) 249-3369 WebsiteFull profile
  11. 11

    American Vintage Home Heating, Cooling & Plumbing

    5.0 · 158 Google reviewsOak Park, IL
    76SCORE
    (847) 282-4773 WebsiteFull profile
  12. 12

    Riley Heating & Cooling

    4.8 · 916 Google reviewsMelrose Park, IL
    75SCORE
    (708) 872-5472 WebsiteFull profile
  13. 13

    King Heating, Cooling & Plumbing

    4.8 · 888 Google reviewsOak Lawn, IL
    Free estimatesEmergency serviceFinancing availableBackground-checked
    75SCORE
    (708) 808-6320 WebsiteFull profile
  14. 14

    Doornbos Heating & Air Conditioning

    4.8 · 869 Google reviewsAlsip, IL
    75SCORE
    (708) 423-9580 WebsiteFull profile
  15. 15

    Sanchez HVAC Services Inc.

    4.9 · 467 Google reviewsStickney, IL
    75SCORE
    (708) 671-6550 WebsiteFull profile
  16. 16
    74SCORE
    (773) 741-9725 WebsiteFull profile
  17. 17

    WINDY CITY MECHANICAL, INC.

    4.9 · 418 Google reviewsAlsip, IL
    74SCORE
    (708) 497-5464 WebsiteFull profile
  18. 18

    Wantuck Comfort Solutions

    4.9 · 265 Google reviewsChicago, IL
    74SCORE
    (773) 694-8939 WebsiteFull profile
  19. 19

    eXpedience Heating & Cooling

    4.9 · 221 Google reviewsChicago, IL
    74SCORE
    (773) 573-3183 WebsiteFull profile
  20. 20

    Tabor's Complete Comfort Mechanical

    4.9 · 270 Google reviewsChicago, IL
    73SCORE
    (773) 715-3860 WebsiteFull profile
  21. 21

    Global Heating and Cooling LLC | HVAC

    4.9 · 308 Google reviewsChicago, IL
    72SCORE
    (773) 801-3734 WebsiteFull profile
  22. 22

    Chicago Comfort HVAC Services

    4.9 · 272 Google reviewsChicago, IL
    InsuredBondedFree estimatesEmergency service
    72SCORE
    (773) 842-4299 WebsiteFull profile
  23. 23
    71SCORE
    (773) 387-7394 WebsiteFull profile
  24. 24

    Eco Temp HVAC

    4.9 · 180 Google reviewsChicago, IL
    71SCORE
    (224) 253-8131 WebsiteFull profile
  25. 25

    Cosmic HVAC Inc.

    4.9 · 157 Google reviewsChicago, IL
    71SCORE
    (872) 222-3059 WebsiteFull profile
  26. 26

    Quality HVAC by Fibid

    4.9 · 98 Google reviews
    71SCORE
    (855) 789-4822 WebsiteFull profile
  27. 27

    Bania HVAC

    5.0 · 94 Google reviews
    71SCORE
    (773) 428-7424 WebsiteFull profile
  28. 28

    Sensational Heating And Air LLC

    4.9 · 146 Google reviewsChicago, IL
    70SCORE
    (773) 242-7732 WebsiteFull profile
  29. 29

    Ukrainian Village HVAC

    5.0 · 87 Google reviewsChicago, IL
    70SCORE
    (773) 396-3950 WebsiteFull profile
  30. 30

    Frontline Heating & Cooling

    4.9 · 149 Google reviewsChicago, IL
    69SCORE
    (872) 204-7902 WebsiteFull profile

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near Oak Lawn qualify, they'll appear here automatically.

Compare the top 10

Top HVAC companies in Oak Lawn by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Allegiance Heating & Cooling854.953227Mokena
2Precision Today Plumbing Heating Cooling Electrical (Dykstra Home Services)834.81,05834Palos Heights
3Chicago HVAC Repair Doctor, Inc.794.9944–
4Pro Comfort Solutions795.0288–Chicago
5The Heat Engineering Co.784.9694–Countryside
6A+ Appliance Repair and Maintenance of Chicago774.9517–Chicago
7Kavana's Plumbing and Heating775.0239–Chicago
8City & Suburban775.0209–Chicago
9House of Heat764.9488–Oak Park
10JC Heating & Cooling, Inc764.9433–Hodgkins

HVAC companies in Oak Lawn: quick answers

Who is the highest-rated HVAC company in Oak Lawn, IL?

Allegiance Heating & Cooling has the highest 5 Star Score among HVAC companies in and near Oak Lawn: 85 out of 100, with a 4.9 star Google rating from 532 reviews.

How many 5 Star HVAC companies serve Oak Lawn?

53 HVAC companies meet our standard within 25 km of Oak Lawn: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 43,081 Google reviews between them, averaging 4.90 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.

HVAC companies near Oak Lawn

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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.