"Integrating Facilities Services"

Providing comprehensive commercial HVAC services including: 24/7/365 service and repair, maintenance, installation, design & build capabilities.


Since 1991 our seasoned staff of skilled mechanical engineers and service technicians have been designing and building commercial plumbing, heating, air conditioning and commercial refrigeration solutions for our Bay Area clients.

Whether you require an enterprise design to build a set of plans for your construction project, or need facility/site management for HVAC planned maintenance or emergency repair, BCM Service will take on that challenge.



Find out more about our story, our innovative leader Helge Theiss-Nyland, and the growth of our Services business out of Bay City Mechanical, Inc.'s 27 years of HVAC experience.

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Our number one goal is 100% satisfaction with every client and supplier. Entrust your business’s HVAC with us, and it will be the best decision you’ve ever made. Guaranteed.

The BCMS Way →