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.