The Refrigeration School, Inc. (RSI) has trained individuals to become professional, entry-level Heating, Ventilation, Air Conditioning and Refrigeration (HVAC/R) technicians since 1965. RSI has since expanded its training and now offers multiple career-focused training opportunities. RSI’s instructors are experienced industry professionals. RSI’s training programs are designed based on industry feedback to meet employers’ needs. RSI promotes a student-centric learning environment to support the learner who desires to put forth a great deal of effort to achieve his or her desired professional goals. *According to 2015 IPEDS data TWS has the largest total combined enrollment of students for all post-secondary schools in the U.S. with the designated largest program of CIP Code Welding Technology/Welder.