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Best HVAC companies in Elgin, IL

The highest-scoring HVAC company in and near Elgin is Compass Heating and Air Conditioning Inc. (score 80, 4.9 stars from 432 Google reviews). 3 companies meet the 5 Star standard within 25 km.

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

    Compass Heating and Air Conditioning Inc.

    4.9 · 432 Google reviewsEast Dundee, IL14 years in business
    Family-ownedEmergency serviceFinancing availableBackground-checked
    80SCORE
    (630) 504-8688 WebsiteFull profile
  2. 2

    Alex’s Duct Cleaning

    5.0 · 274 Google reviews7 years in business
    Free estimates
    67SCORE
    (815) 382-8289 WebsiteFull profile
  3. 3

    TDH Mechanical, Heating and Cooling Contractors

    4.8 · 358 Google reviewsSt. Charles, IL41 years in business
    Free estimatesEmergency serviceFinancing available
    64SCORE
    (630) 406-9082 WebsiteFull profile

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

Compare the top 3

Top HVAC companies in Elgin by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Compass Heating and Air Conditioning Inc.804.943214East Dundee
2Alex’s Duct Cleaning675.02747
3TDH Mechanical, Heating and Cooling Contractors644.835841St. Charles

HVAC companies in Elgin: quick answers

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

Compass Heating and Air Conditioning Inc. has the highest 5 Star Score among HVAC companies in and near Elgin: 80 out of 100, with a 4.9 star Google rating from 432 reviews.

How many 5 Star HVAC companies serve Elgin?

3 HVAC companies meet our standard within 25 km of Elgin: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 3 have 1,064 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.