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John M. Jacobs Plumbing & Heating, Inc.

Scope of Work

John M. Jacobs Plumbing & Heating, Inc. has experience in all aspects of the mechanical contracting industry. Below is a description of the work we are capable of performing.


John M. Jacobs Plumbing & Heating, Inc. is fully equipped to perform every type of plumbing work including domestic water lines, gas lines, heating lines, fixtures, etc. We are licensed by the State of Michigan to install hot water and steam boilers, plumbing, refrigeration, and HVAC systems. Our field staff includes at least four master plumbers, all licensed by the State of Michigan. We have four certified journeyman in backflow prevention installation and repair, and three certified journeyma n in medical gas installations.

Recent Customers

·         Region VII Agency on Aging – Bay City, Michigan

·         Saginaw Valley State University, Student Living CenterSaginaw, Michigan

·         Camp Grayling Army Airfield, Department of Military and Veterans Affairs – Grayling, Michigan


We are fully certified to perform all types of HVAC work, including hot water, steam, forced air, in-floor radiant, and refrigeration. We have two journeymen certified to install refrigeration systems, one certified to recover refrigerant.

Recent Customers

·         Blessed Trinity Catholic Church – Frankenmuth, Michigan

·         Arthur Eddy Elementary SchoolSaginaw, Michigan

·         USA High School & Elementary Schools – Unionville / Sebewaing Area Schools, Michigan

Process Piping

John M. Jacobs Plumbing & Heating, Inc. has much experience in installing large mechanical systems and running process piping. As a member of the United Association we have access to several highly skilled and well-experienced crews, allowing us to man any size job at any notice. Our crews have experience in installing all types of piping systems including copper, carbon steel, stainless steel, iron pipe, lead pipe, chromolly, nickel, incoloy, titanium, and fiberglass (piping and tank). We are certified to fabricate and install teflon, polypro, kynar and Saran lined piping systems. Our fabrication shop (UA certified) in Freeland, Michigan is equipped with the latest in TIG and MIG welders, Plasmar cutting equipment, and pipe threading capabilities (up to 8" pipe). Our in-house welding procedure software has extensive databases for qualification of all types of procedures, metals, and codes. We are capable of performing weld tests, and self-qualifications (all welding certifications and procedures to ASME. Our equipment includes portable welders, two 6 ton boom trucks, a Calvar Condor, and other various hand tools.

Recent Customers

·         Meijer Store #48 Photo Lab – Bay City, Michigan

·         Karn Weadock Power Plant – Essexville, Michigan

Waste Water Treatment

We have vast experience in the waste water treatment industry. We are capable of heavy equipment installations, Victaulic and groove fit piping systems, chemical tank installations, pump installations and hook up, and installation of large valve systems.

Recent Customers

·         Bridgeport Wastewater Treatment Facility - Bridgeport, Michigan

·         Webber Street Combined Sewer Overflow - Saginaw, Michigan

·         General Motors Recycle Water Treatment Facility - Saginaw, Michigan

·         Tittabawassee Township Wastewater Treatment Facility – Saginaw, Michigan

Design and Build

John M. Jacobs Plumbing & Heating, Inc. has several customers who work on a design/build process. We have assisted in the designing of plumbing, heating and refrigeration systems. In addition, we have experience in designing process piping systems, and waste water treatment facilities. Our in-house computer system has the latest version of AutoDesk's AutoCad. We have a laser printer for quick and clear printouts and a plotter for full scale drawings.

Jacobs Plumbing Homepage

John M. Jacobs Plumbing & Heating, Inc. / Webmaster: Tim Jacobs / Updated 2/06