The TMS Johnson Team

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.

top HVAC supplies in Twin Cities

Curt Ratajczak

President / Sales Engineer

Dave Nallick

Vice President / Sales Engineer

Minnesota HVAC equipment

Shawn Evans

Director / Sales Operations

Minnesota HVAC equipment supplier

Tony Flaminio


Our Vision and Mission


To create a better environment for everyone!


To be the most responsive, trusted partner and technical expert providing innovative, energy efficient, value-driven solutions.

Core Values

Effective Reliable Partner
Customer Focused
Honest and Transparent