Who We Are

Lair Mechanical, LLC is a family owned and operated business local to St Louis Metro East, with our roots planted in Bethalto, Illinois.

As a family-run business, we value high-quality, safety and transparency with each of our clients. We always strive to offer fair, competitive pricing and take the time to ensure our customers understand the full scope of work required. Our goal is to make sure everyone’s homes, and wallets, are comfortable each season without any unexpected surprises. We do not take integrity lightly and greatly appreciate you trusting us in your home.

With over a decade of heating and cooling experience, our expert technicians are fully certified in both residential and commercial service, including furnace and air conditioning installs, service calls, repairs, maintenance and more. Emergency and maintenance services are available.

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Schedule An Appointment

  • We are proud to service Madison County, IL & Area, including but not limited to:

    • Alton, IL

    • Bethalto, IL

    • Collinsville, IL

    • Glen Carbon, IL

    • Godfrey, IL

    • Granite City, IL

    • Edwardsville, IL

    • Maryville, IL

    • Pontoon Beach, IL

    • Troy, IL

    • Rosewood Heights, IL

    • Roxana, IL

    • Wood River, IL

Why Choose Us? >

Frequently Asked Questions >

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  • "We were having an issue with our thermostat. Mike with Lair Mechanical was able to get us back up and running in no time. Very professional, very knowledgeable, and fast response time even on a saturday. Highly recommend. If you're having any hvac issues, give them a call

    - Five-Star Client Review

  • "Called Mike with Lair Mechanical to fix a problem with our furnace shutting off in a rental property in Alton. He was easy to deal with on the phone and got us scheduled that afternoon. The tenants said mike was very friendly and knowledgeable and he got the job done quickly. Very happy and will be using him again in the future for our properties."

    - Five-Star Client Review

  • "Was having a problem with our ac unit and mike came out and got if fixed and did a good cleaning on it. He was very reasonable with the price and very respectful. If you are having problems with your ac or furnace, give him a call."

    - Five-Star Client Review

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Book Online or call 618-365-9626.

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