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  1. Home
  2. East Saint Louis, IL
  3. Averill Heating & Air Conditioning

Averill Heating & Air Conditioning

Averill Heating & Air Conditioning is a HVAC provider serving East Saint Louis, IL. Rated 4.9★ with 239 Google reviews. See services, review signals, and request a quote.

4.9★ (239 reviews)HVACEast Saint Louis, IL
On this page▾
  1. 1.Company overview
  2. 2.Photos
  3. 3.What customers say
  4. 4.Key highlights
  5. 5.Explore nearby research
  6. 6.Frequently asked questions

Company overview

  • TradeHVAC
  • Service areaEast Saint Louis, IL
  • Google rating4.9★ (239 reviews)
  • Phone(314) 427-3825
  • Address10645 Liberty Ave, St. Louis, MO 63132, USA

Photos

  • Averill Heating & Air Conditioning photo 1
  • Averill Heating & Air Conditioning photo 2
  • Averill Heating & Air Conditioning photo 3
  • Averill Heating & Air Conditioning photo 4
  • Averill Heating & Air Conditioning photo 5

Photos from Averill

What customers say

★★★★★

“From the owners of Averill Heating and Air Conditioning to the installation team (Mike, Brandon, and Chris) it was a pleasure doing business with them. They were professional, knowledgeable and did th…”

— Doug Cornwell, 8 years ago
★★★★★

“Eric C was fantastic! He thoroughly explained everything he was working on and answered all of my questions! I highly recommend this company!”

— Cody Masching, 5 months ago
★★★★★

“Averill should be your first call for ANY air conditioning or heating needs! My son was in need of a new AC/Furnace for his new home ( older home) and my research took me to Averill. They came highly…”

— Peggy Abeln, 6 years ago
★★★★★

“We are very happy with the installation of our new A.C. and Furnace.(so far!) We had five estimates and made an informed choice to go with Averill and Trane. They weren't the cheapest but were very co…”

— Irene Newman, 8 years ago
★★★★★

“I have always had a great experience with Averill. Brandon, who has been my technician several times, is always so professional. He calls before heading my way (and is usually early which I love) an…”

— Pursuit Fitness, 8 years ago

Key highlights

Strengths

  • Highly rated (4.9★ average)
  • Large review volume (239 reviews)

Things to ask

  • Confirm availability for your area and timeline
  • Ask about warranty terms on parts and labor
  • Request a written estimate before work begins
  • Ask about payment plans or financing

Explore nearby research

  • East Saint Louis, IL HVAC pros
  • Best HVAC in East Saint Louis
  • HVAC cost in East Saint Louis
  • Best HVAC in Chicago, IL
  • Best HVAC in Aurora, IL
  • Best HVAC in Rockford, IL
  • Best HVAC in Joliet, IL

Frequently Asked Questions

  • What services does Averill Heating & Air Conditioning offer?

    Averill Heating & Air Conditioning provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in East Saint Louis, IL.

  • What is Averill Heating & Air Conditioning's rating?

    Averill Heating & Air Conditioning has a 4.9 out of 5 star rating based on 239 Google reviews.

  • Is this company licensed in Illinois?

    All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.

  • Does Averill Heating & Air Conditioning offer emergency service?

    Contact them directly to ask about emergency availability and after-hours service.

  • How do I request a quote?

    Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.

✓ Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.

Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile

See our editorial standards · Report inaccurate info about Averill Heating & Air Conditioning

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