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Best HVAC companies in Buffalo Grove, IL

The highest-scoring HVAC company in and near Buffalo Grove is Gartner Heating & Cooling (score 83, 4.9 stars from 373 Google reviews). 7 companies meet the 5 Star standard within 25 km.

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

    Gartner Heating & Cooling

    4.9 · 373 Google reviewsSkokie, IL41 years in business
    Family-ownedFree estimatesEmergency serviceFinancing available
    83SCORE
    (847) 965-9645 WebsiteFull profile
  2. 2

    Besco Air Inc.

    4.9 · 1,503 Google reviewsChicago, IL
    81SCORE
    (312) 809-2695 WebsiteFull profile
  3. 3

    AllSeasons HVAC/R LLC.

    5.0 · 229 Google reviewsNiles, IL
    77SCORE
    (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
    74SCORE
    (847) 450-7366 WebsiteFull profile
  6. 6

    The Fair Plumber LLC

    4.9 · 181 Google reviewsMt Prospect, IL
    72SCORE
    (847) 452-9444 WebsiteFull profile
  7. 7

    Excellent HVAC Duct Cleaning.Inc

    4.9 · 131 Google reviewsNiles, IL
    Emergency service
    60SCORE
    (773) 440-4313 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 7

Top HVAC companies in Buffalo Grove by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Gartner Heating & Cooling834.937341Skokie
2Besco Air Inc.814.91,503–Chicago
3AllSeasons HVAC/R LLC.775.0229–Niles
4Phoenix HVAC LLC764.92988Rolling Meadows
5Air Blue Heating and Cooling744.8689124Wheeling
6The Fair Plumber LLC724.9181–Mt Prospect
7Excellent HVAC Duct Cleaning.Inc604.9131–Niles

HVAC companies in Buffalo Grove: quick answers

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

Gartner Heating & Cooling has the highest 5 Star Score among HVAC companies in and near Buffalo Grove: 83 out of 100, with a 4.9 star Google rating from 373 reviews.

How many 5 Star HVAC companies serve Buffalo Grove?

7 HVAC companies meet our standard within 25 km of Buffalo Grove: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 7 have 3,404 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.