Quality Products. Quality Service.

Supplying the HVAC industry for over 50 Years.

Minnesota and Western Wisconsin’s Quality HVAC Equipment Supplier

For over 50 years, TMS Johnson has supplied quality HVAC equipment to the contracting and engineering communities of Minnesota and Western Wisconsin.  TMS Johnson is committed to providing the best products and services while meeting the most challenging HVAC applications.  Using integrity and customer service as the cornerstone of our business we look forward to servicing your needs.