Just a few of our

​​​​​​Comfort and quality you CAN afford to live with!

BAY MECHANICAL SYSTEMS

Bay Mechanical Systems has been in the HVAC business since 2004. Starting out in residential new construction, Bay Mechanical Systems has evolved to become one of the top choices for "Retail Build-Outs". Owners and General Contractors from all around the United States seek out Bay Mechanical Systems to design, fabricate, and install complete mechanical systems throughout the state of Wisconsin.

About Our Shop

COMPLETED STORES

Services

RESIDENTIAL

- Heating and Cooling

Our service techs have worked with every brand of equipment that is out there. So, rest assured that we have the knowledge to repair and maintain even the toughest units. 

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COMMERCIAL

- Mechanical

​We bring a skilled set of fabricators, installers, and service techs 

everywhere we go, as we travel throughout the state of Wisconsin.