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Best HVAC companies in Buffalo Grove, IL

The highest-scoring HVAC company in and near Buffalo Grove is Besco Air Inc. (score 88, 4.9 stars from 1,505 Google reviews). 6 companies meet the 5 Star standard within about 16 miles.

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

    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
    (312) 809-2695 WebsiteFull profile
  2. 2

    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
    (847) 965-9645 WebsiteFull profile
  3. 3

    AllSeasons HVAC/R LLC.

    5.0 · 229 Google reviewsNiles, IL
    78SCORE
    (773) 930-3595 WebsiteFull profile
  4. 4

    Phoenix HVAC LLC

    4.9 · 298 Google reviewsRolling Meadows, IL8 years in business
    InsuredFamily-ownedEmergency serviceFinancing available
    76SCORE
    (224) 829-4822 WebsiteFull profile
  5. 5

    Air Blue Heating and Cooling

    4.8 · 689 Google reviewsWheeling, IL124 years in business
    InsuredBondedFree estimatesEmergency service
    73SCORE
    (847) 450-7366 WebsiteFull profile
  6. 6

    The Fair Plumber LLC

    4.9 · 182 Google reviewsMt Prospect, IL
    70SCORE
    (847) 452-9444 WebsiteFull profile

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

Compare the top 6

Top HVAC companies in Buffalo Grove by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Besco Air Inc.884.91,50540Chicago
2Gartner Heating & Cooling844.937341Skokie
3AllSeasons HVAC/R LLC.785.0229–Niles
4Phoenix HVAC LLC764.92988Rolling Meadows
5Air Blue Heating and Cooling734.8689124Wheeling
6The Fair Plumber LLC704.9182–Mt Prospect

HVAC companies in Buffalo Grove: quick answers

Who is the highest-rated HVAC company in Buffalo Grove, IL?

Besco Air Inc. has the highest 5 Star Score among HVAC companies in and near Buffalo Grove: 88 out of 100, with a 4.9 star Google rating from 1,505 reviews.

How many 5 Star HVAC companies serve Buffalo Grove?

6 HVAC companies meet our standard within about 16 miles of Buffalo Grove: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 6 have 3,276 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.

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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.