Established in the early 1970s, this premier trade association unites licensed heating, refrigeration, and air conditioning specialists across Connecticut. The organization supports high standards of workmanship by connecting merit-shop contractors, sheet metal experts, and professional plumbers who employ state-certified mechanics. By fostering collaboration between trade professionals, manufacturers, and wholesale suppliers, the group advances industry practices and technical training. It serves as a vital resource for building officials and technical school instructors dedicated to superior indoor climate systems. Members benefit from shared industry insights, continuing education, and advocacy that champions energy-efficient heating and cooling technologies. This commitment helps local communities access highly qualified technicians specialized in modern thermal comfort solutions.