Best HVAC companies in Oak Park, IL

The highest-scoring HVAC company in and near Oak Park is Deljo Heating, Cooling & Plumbing (score 90, 4.9 stars from 3,457 Google reviews). 81 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 2, 2026How we rank
  1. 1

    Deljo Heating, Cooling & Plumbing

    4.9 · 3,457 Google reviewsChicago, IL104 years in business

    Deljo Heating, Cooling & Plumbing serves Chicago and nearby suburbs with heating, cooling, and plumbing work. The company has operated since 1922 and provides heating and cooling maintenance, installation, and repair,…

    Financing availableEmergency service
    90SCORE
  2. 2

    Shavitz Heating and Air Conditioning

    4.9 · 3,019 Google reviewsSkokie, IL122 years in business

    Shavitz Heating and Air Conditioning is a fourth-generation, family-owned HVAC company based in Skokie and serving Chicago's North Shore since 1904. The company provides residential heating and cooling installation, r…

    Financing availableEmergency service
    90SCORE
  3. 3

    All Temp Heating and Air Conditioning

    4.9 · 2,599 Google reviewsChicago, IL88 years in business

    All Temp Heating and Air Conditioning is a family-owned, fourth-generation HVAC company serving Chicago and surrounding communities since 1938. It provides heating and cooling installation, repair, and maintenance for…

    Financing availableEmergency service
    90SCORE
  4. 4

    Oasis Plumbing, Heating & Cooling

    4.9 · 1,508 Google reviewsChicago, IL29 years in business

    Oasis Plumbing, Heating & Cooling provides heating, cooling, plumbing, and indoor air quality services for homes and businesses in Chicago and surrounding communities. The company has served Chicago since 1997. Its HV…

    Financing availableEmergency service
    88SCORE
  5. 5

    Besco Air Inc.

    4.9 · 1,505 Google reviewsChicago, IL40 years in business

    Besco Air Inc. Heating & Cooling provides heating, air conditioning, and ventilation services in Chicago, Northbrook, and nearby Illinois communities. The company has served the area since 1986 and performs its work i…

    Financing availableEmergency service
    88SCORE
  6. 6

    Hero Air

    5.0 · 396 Google reviewsChicago, IL15 years in business

    Hero Air is a family-owned HVAC company serving Chicagoland, including Lincoln Park, Lakeview, and East Rogers Park. Founded in 2011 by Vladimir Yanev, the company provides furnace repair, installation, and maintenanc…

    InsuredFamily-ownedFree estimatesEmergency service
    85SCORE
  7. 7

    Air Flows Chicago Belmont

    5.0 · 1,102 Google reviewsChicago, IL

    Air Flows Chicago - Belmont provides heating, cooling, ventilation, and property air quality services from its West Belmont Avenue location in Chicago. The company serves residential and commercial customers with HVAC…

    84SCORE
  8. 8

    Gartner Heating & Cooling

    4.9 · 373 Google reviewsSkokie, IL41 years in business

    Gartner Heating & Cooling is a family-owned HVAC company serving Chicagoland since 1985. Its team installs, maintains, repairs, and inspects heating and cooling equipment for residential and commercial properties, inc…

    Family-ownedFree estimatesEmergency serviceFinancing available
    84SCORE
  9. 9

    Chicago HVAC Repair Doctor, Inc.

    4.9 · 967 Google reviews
    InsuredBondedFamily-ownedFree estimates
    79SCORE
  10. 10

    Paragon Heating, Cooling, and Tankless

    4.9 · 964 Google reviewsVilla Park, IL
    79SCORE
  11. 11

    Elite HVACs Furnace, Ac & Plumbing Repair

    4.9 · 923 Google reviewsSkokie, IL
    79SCORE
  12. 12

    The Fair Plumber LLC

    4.9 · 847 Google reviewsElmhurst, IL
    79SCORE
  13. 13

    Pro Comfort Solutions

    5.0 · 296 Google reviewsChicago, IL
    79SCORE
  14. 14

    American Vintage Home Heating, Cooling & Plumbing

    4.8 · 2,406 Google reviewsEvanston, IL
    78SCORE
  15. 15

    The Heat Engineering Co.

    4.9 · 704 Google reviewsCountryside, IL
    78SCORE
  16. 16

    AllSeasons HVAC/R LLC.

    5.0 · 229 Google reviewsNiles, IL
    78SCORE
  17. 17

    City & Suburban

    5.0 · 226 Google reviewsChicago, IL
    78SCORE
  18. 18

    A+ Appliance Repair and Maintenance of Chicago

    4.9 · 517 Google reviewsChicago, IL
    77SCORE
  19. 19

    House of Heat

    4.9 · 497 Google reviewsOak Park, IL
    77SCORE
  20. 20

    Sanchez HVAC Services Inc.

    4.9 · 480 Google reviewsStickney, IL
    77SCORE
  21. 21

    Five Star HVAC Services, Inc.

    4.9 · 460 Google reviewsChicago, IL
    Free estimatesEmergency service
    77SCORE
  22. 22

    JC Heating & Cooling, Inc

    4.9 · 441 Google reviewsHodgkins, IL
    77SCORE
  23. 23

    Pro HVAC Heating and Cooling

    5.0 · 205 Google reviewsChicago, IL
    77SCORE
  24. 24

    Guardian Heating & Cooling Service

    4.8 · 1,252 Google reviewsChicago, IL
    76SCORE
  25. 25

    King Heating, Cooling & Plumbing

    4.8 · 945 Google reviewsOak Lawn, IL
    Free estimatesEmergency serviceFinancing availableBackground-checked
    75SCORE
  26. 26

    Riley Heating & Cooling

    4.8 · 939 Google reviewsMelrose Park, IL
    75SCORE
  27. 27

    Doornbos Heating & Air Conditioning

    4.8 · 907 Google reviewsAlsip, IL
    75SCORE
  28. 28

    VanDerBosch Plumbing Inc.

    4.9 · 313 Google reviewsChicago, IL
    75SCORE
  29. 29
    74SCORE
  30. 30

    Freedom Heating, Cooling & Electrical

    4.9 · 2,194 Google reviewsNorthlake, IL
    74SCORE

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

Compare the top 10

Top HVAC companies in Oak Park by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Deljo Heating, Cooling & Plumbing904.93,457104Chicago
2Shavitz Heating and Air Conditioning904.93,019122Skokie
3All Temp Heating and Air Conditioning904.92,59988Chicago
4Oasis Plumbing, Heating & Cooling884.91,50829Chicago
5Besco Air Inc.884.91,50540Chicago
6Hero Air855.039615Chicago
7Air Flows Chicago Belmont845.01,102–Chicago
8Gartner Heating & Cooling844.937341Skokie
9Chicago HVAC Repair Doctor, Inc.794.9967–
10Paragon Heating, Cooling, and Tankless794.9964–Villa Park

HVAC companies in Oak Park: quick answers

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

Deljo Heating, Cooling & Plumbing has the highest 5 Star Score among HVAC companies in and near Oak Park: 90 out of 100, with a 4.9 star Google rating from 3,457 reviews.

How many 5 Star HVAC companies serve Oak Park?

81 HVAC companies meet our standard within about 16 miles of Oak Park: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 62,975 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 Park

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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.