Flex Air’s Growing Facilities

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Bob Miller, President of Coward Environmental Systems, Inc. (CESI), recently visited the team at Flex Air in Fenton, Michigan. This industry leader excels at manufacturing highly customized air handling units and modular mechanical, electrical, and plumbing (MEP) systems. In fact, Flex Air regularly produces AHUs exceeding 200,000 CFM with integrated mechanical and electrical systems. Flex Air has the experience and expertise to construct large projects while incorporating complex systems to meet each customer’s need.

An Industry Leader is Getting Bigger

Miller Industries broke ground in the fall of 2022 to expand their manufacturing facility to include more space for Flex Air’s growing project stream. The Miller campus will cover 20 acres and have 240,000 square feet of manufacturing capacity. This new construction will increase its ability to produce custom AHUs, including industrial direct-fired units and integrated DX systems.


“We’ve always been impressed and with Flex Air’s performance in our projects,” Miller notes, “but this expansion is going to allow them to serve more customers than ever. The custom air handling market seems to be void of a world-class manufacturer with timely delivery, yet the demand is there, so Flex Air’s expansion is well timed.”

The larger footprint will also boost Flex Air’s ability to manufacture skid-mounted equipment that can include pump and process skids, boiler skids, compressed air systems, and chilled water systems.

Flex Air has expanded its capabilities to produce complex AHUs with vestibules for supporting services. Michael Groh points out, “Our experience with the automotive industry crosses over into being able to self-perform structural, piping, electrical, and controls. We can incorporate energy recovery wheels, coil walls, filter walls, fan arrays, plenum fans, air blenders, pipe trains, custom electrical, and more.”


Turnkey Solutions

“Flex Air is known for AHUs, but they take customization to a higher level,” says Miller. “Flex Air is an expert in seamlessly packaging the mechanical equipment, piping, electrical, and temperature controls. So, if you’re looking for high-quality custom AHU or skid-mounted equipment, it’s smart to look at Flex Air.”

Coward Environmental Systems, Inc. proudly represents Flex Air in the Philadelphia region, Central PA, Delaware, and Maryland. Contact us today to discover how Flex Air can be a part of your next project.