Best HVAC companies in Mount Prospect, IL

The highest-scoring HVAC company in and near Mount Prospect is Deljo Heating, Cooling & Plumbing (score 90, 4.9 stars from 3,457 Google reviews). 40 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

    Paragon Heating, Cooling, and Tankless

    4.9 · 964 Google reviewsVilla Park, IL
    79SCORE
  10. 10

    Elite HVACs Furnace, Ac & Plumbing Repair

    4.9 · 923 Google reviewsSkokie, IL
    79SCORE
  11. 11

    The Fair Plumber LLC

    4.9 · 847 Google reviewsElmhurst, IL
    79SCORE
  12. 12

    Pro Comfort Solutions

    5.0 · 296 Google reviewsChicago, IL
    79SCORE
  13. 13

    American Vintage Home Heating, Cooling & Plumbing

    4.8 · 2,406 Google reviewsEvanston, IL
    78SCORE
  14. 14

    AllSeasons HVAC/R LLC.

    5.0 · 229 Google reviewsNiles, IL
    78SCORE
  15. 15

    House of Heat

    4.9 · 497 Google reviewsOak Park, IL
    77SCORE
  16. 16

    Five Star HVAC Services, Inc.

    4.9 · 460 Google reviewsChicago, IL
    Free estimatesEmergency service
    77SCORE
  17. 17

    Guardian Heating & Cooling Service

    4.8 · 1,252 Google reviewsChicago, IL
    76SCORE
  18. 18

    Phoenix HVAC LLC

    4.9 · 298 Google reviewsRolling Meadows, IL8 years in business
    InsuredFamily-ownedEmergency serviceFinancing available
    76SCORE
  19. 19

    Riley Heating & Cooling

    4.8 · 939 Google reviewsMelrose Park, IL
    75SCORE
  20. 20

    VanDerBosch Plumbing Inc.

    4.9 · 313 Google reviewsChicago, IL
    75SCORE
  21. 21

    Freedom Heating, Cooling & Electrical

    4.9 · 2,194 Google reviewsNorthlake, IL
    74SCORE
  22. 22

    Heatmasters

    4.8 · 773 Google reviewsChicago, IL
    74SCORE
  23. 23

    Kavana's Plumbing and Heating

    4.9 · 245 Google reviewsChicago, IL
    74SCORE
  24. 24

    Air Blue Heating and Cooling

    4.8 · 689 Google reviewsWheeling, IL124 years in business
    InsuredBondedFree estimatesEmergency service
    73SCORE
  25. 25
    73SCORE
  26. 26
    70SCORE
  27. 27

    Fuse Service HVAC and Appliance Repair

    5.0 · 64 Google reviewsChicago, IL
    70SCORE
  28. 28
    68SCORE
  29. 29

    Fly Plumbing & HVAC

    5.0 · 61 Google reviewsChicago, IL
    68SCORE
  30. 30

    AB Heating and Cooling

    4.9 · 166 Google reviewsChicago, IL
    66SCORE

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

Compare the top 10

Top HVAC companies in Mount Prospect 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
9Paragon Heating, Cooling, and Tankless794.9964–Villa Park
10Elite HVACs Furnace, Ac & Plumbing Repair794.9923–Skokie

HVAC companies in Mount Prospect: quick answers

Who is the highest-rated HVAC company in Mount Prospect, IL?

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

How many 5 Star HVAC companies serve Mount Prospect?

40 HVAC companies meet our standard within about 16 miles of Mount Prospect: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 28,292 Google reviews between them, averaging 4.91 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 Mount Prospect

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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.