Maintenance, Service & Repairs

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One of our primary areas of specialization is heating and cooling. Our seasoned staff of skilled union service technicians are experienced in all areas of HVAC including: air & water cooled chillers, cooling towers, boilers, VAV / VRF and packaged equipment. Also offering plumbing, commercial refrigeration, motor and electrical repair, and building automation.

24/7/365 Service & Support

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With record setting heatwaves it is now more important than ever to have an HVAC service you can trust. Your comfort matters to us. Our service agreements guarantee your HVAC is covered 24/7/365. Whether you need scheduled planned maintenance or emergency repair, our electronically dispatched technicians and GPS monitored service fleet is available to meet your needs 24 hours a day.

Mechanical Engineering Support

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Bay City Mechanical Service is a locally owned and regionally recognized leader in mechanical engineering and service. Our seasoned staff of skilled union service technicians are experienced in all areas of plumbing, heating, air conditioning, commercial refrigeration, HVAC electrical repair, and building automation.

Sheet Metal Fabrication

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We offer a full service HVAC installation, including complete duct and piping systems, controls, equipment start-up and service. With an extensive selection of heating, cooling and refrigeration capabilities we are prepared to complete fabrication and installation of all ductwork systems. 

Design & Build Capabilities

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Our full service HVAC construction department offers design, build and engineering services with many of our projects designed in-house. BCMS has wide-ranging HVAC construction experience and a track record of success on projects of all sizes. Our industrial, commercial and institutional expertise includes: HVAC design, installation, maintenance and service, new construction, HVAC design and build, HVAC tenant improvement and retrofits, industrial HVAC ducting and ductwork, and energy efficient HVAC management solutions.

Plumbing & Pipe Fitting

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BCMS is a leader in the design, coordination, and installation of hot and chilled water piping. We have installed heating and cooling equipment of all sizes. Our piping experience includes, heating, chilled water, condenser water, radiant heating system, steam, boiler, chillers and cooling towers. We are also certified as installers of City Multi-Zone Systems, to distribute heat loads. Our skilled union pipe fitters perform pipe fabrication and installation services. We have extensive experience with multiple piping systems including hot water, chilled water, heat pump, steam and refrigeration piping, both in our fabrication shop and in the field. We are also highly experienced with all methods of installation including grooved piping, welding, steel piping, brazed piping and process piping.

Building Automation

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Controls and automation are a critically important part of every commercial mechanical system. The comfort of a building's occupants and the protection of its products depend on the quality of the controls. From nursing homes, hospitals and schools to restaurants, office buildings and high rise buildings; Bay City Mechanical Service has installed, maintained, and repaired controls in a variety of settings. We can install control systems in new construction and can also retrofit controls for existing buildings. We offer our clients access to the latest cutting edge HVAC technology and building automation controls.

HVAC Tenant Improvement & Retrofit

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BCMS recognizes that developing the best HVAC system for your building requires collaboration between the project's key players. Our team works closely with the architects, mechanical engineers, general contractors and owners to gain a thorough understanding of the building's HVAC needs, limitations and opportunities.