The Distributor of Choice Temperature Systems, Inc. has represented the finest product lines in the HVACR markets since 1947. ... We continue to strive to give our customers the most innovative products that are the finest and best value to serve the needs in the Heating, Air Conditioning and Refrigeration fields. We also provide the service, design, support and training for these products to make sure our customers are successful serving their customers. As an employee-owned company located in Green Bay and Madison, each employee has a stake in being your distributor of choice. Whether it is design, sales, customer service or technical support, TSI’s friendly experienced staff is always there to help you. Our Vision We strive to be the distributor of choice for quality HVACR equipment, supplies, expertise and service. Our Mission Our mission is to partner with our customers for mutual growth and profitability by providing innovative solutions, quality equipment and exceptional service. TSI's employee owners are dedicated and trained professionals, conducting business with integrity. TSI is a full service distributor, including forced air, hydronics, refrigerant and supply products. TSI serves Wisconsin, the U.P. of Michigan, parts of Illinois and Iowa read more