About TMI

HVAC manufacturer in Michigan

TMI Climate Solutions provides custom HVAC solutions, ranging from the rigorous extremes of a government research facility to the health concerns surrounding the indoor air quality in hospitals.

TMI is committed to manufacturing and delivering the best custom manufactured solutions available today for worldwide applications. All divisions of TMI Climate Solutions provide a higher level of comfort backed by the Berkshire-Hathaway name.

TMI's main office and manufacturing facility is located in Holly, Michigan. This facility houses our administrative, service, and production groups for our pure Custom Air Handlers, as well as Advanced Hydronics, Data Center and Custom DX products.

TMI’s new 200,000-square-foot, state-of-the-art facility in Pointe-Claire, Quebec allows TMI to increase its global manufacturing and export capacity. Our new Montréal facility not only reinforces TMI‘s leadership in custom-engineered HVAC systems, but it also sets the stage for enhancing the product offering with a wider variety of air handling units.

With this new manufacturing facility and the production capability of TMI’s plant in Michigan, customers will now have greater access to custom engineering expertise, faster order processing, and unparalleled delivery times for a range of HVAC Solutions.

HVAC manufacturer in Michigan

The heart of every unit begins with design. Customization is an integral component of our design team. TMI employs a full mechanical engineering department that is responsible for the design of each unit manufactured. Our electrical engineering department has extensive experience in all aspects of electrical systems ranging from complete temperature controls systems and motor control packages, to complex power distribution. Every project is custom engineered to meet specification.


TMI was founded in 1982 with a commitment to quality and customer satisfaction.  Today, TMI provides solutions through innovative design and custom manufacturing, while delivering the highest value in air handling and hydronic products.  Our vision is to be the global leader in custom modular climate solutions through our relationships, innovation and expertise.

Over our 30+ year history, TMI's drive to perform and excel for its customers in an ever-changing business climate has transformed TMI into a flexible enterprise. Providing pre-piped and wired custom air handling unit since the 1980's, the company evolved to provide complete factory assembled mechanical penthouses, which encompass mechanical equipment, electrical equipment, piping systems, and all other components to provide a fully functional mechanical room. This evolution continued with the addition of an Advanced Hydronics Division to further advance the growth of TMI's footprint in the U.S. commercial and industrial refrigeration markets.