24 Hour Emergency Service

   (636) 677-5700

Pipe Systems Mechanical is a full service mechanical contractor, specializing in HVAC, plumbing and fire protection. We are committed to partnering with our customers to provide solutions to their indoor environmental needs. We believe with our professionalism, integrity, and teamwork, we will exceed expectations.

Our clientele includes:


  • Commercial

  • Industrial

  • General Contractors

  • Healthcare

  • Data Centers

  • Educational Facilities

  • Government Agencies
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  • WBE Certified

    WBE Certified

    Pat Lee, Owner is proud to be the driving force behind Pipe Systems Mechanical.
  • Members of Plumbers and Pipefitters, Local 562 and Sprinklerfitters, Locals 268 and 669

    Members of Plumbers and Pipefitters, Local 562 and Sprinklerfitters, Locals 268 and 669

    'United Association' means you are getting safe, highly skilled workers every time.
  • Live Voice After Hours Service

    Live Voice After Hours Service

    At Pipe Systems Mechanical, our team of professional project managers, service technicians, and administrative personnel offer their customers prompt response with live voice phone reception 24/7. Our personal attention to every phone call by our customer support team eliminates the need for mechanical answering systems and voice mail. We are here to serve you 24/7.
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Quality. Safety. Satisfaction. Guaranteed.