Doing it Right the First Time

Pipe and Duct Systems offers a disciplined and systematic optimization of every aspect of your project: from cost and design to schedule and methods. Whether it is figuring out the fastest way from A to B or inventing a new way to install something unique; our preconstruction services guarantee quality results.

Design Build

By engaging early with our clients in the design phase, Pipe and Duct Systems provides maximum value to a project.

Professional Services

We offer complete HVAC design-build capabilities and project design from conception to completion.

Plan and Spec

We provide invitations from leading general contractors, and the capability to price any commercial HVAC system based on plans and specifications provided within budget.

Testing and Balancing

Pipe and Duct Systems is TABB (Testing, Adjusting and Balancing Bureau) Certified. Testing and balancing your HVAC system is important to its optimal running and efficiency.

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Contact us for an Inspection/Service Request

24 Hour Emergency Service: 636.677.5700


Pipe and Duct Systems LLC

Pipe Systems Mechanical LLC and Duct Systems, Inc., combined services in 2018 to better serve our customers.




Our Office

2089 Corporate 44 Drive
Fenton, MO 63026

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