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Best HVAC companies in Ferguson, MO

The highest-scoring HVAC company in and near Ferguson is Integrity Aire (score 77, 5.0 stars from 393 Google reviews). 2 companies meet the 5 Star standard within about 16 miles.

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

    Integrity Aire

    5.0 · 393 Google reviewsSt Charles, MO
    InsuredBondedFree estimatesEmergency service
    77SCORE
    (314) 803-3664 WebsiteFull profile
  2. 2

    SmartHouse Heating and Cooling

    4.9 · 504 Google reviewsSt. Louis, MO
    Emergency serviceFinancing available
    73SCORE
    (314) 451-5391 WebsiteFull profile

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

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HVAC companies in Ferguson: quick answers

Who is the highest-rated HVAC company in Ferguson, MO?

Integrity Aire has the highest 5 Star Score among HVAC companies in and near Ferguson: 77 out of 100, with a 5.0 star Google rating from 393 reviews.

How many 5 Star HVAC companies serve Ferguson?

2 HVAC companies meet our standard within about 16 miles of Ferguson: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 2 have 897 Google reviews between them, averaging 4.95 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.