John Engalitcheff Jr., Founder of BAC, Honored by National Refrigeration Foundation’s Legacy 100 Club
Baltimore Aircoil Company, Inc. (BAC), a global leader in cooling solutions, announced that its founder, John Engalitcheff Jr., has been inducted into the National Refrigeration Foundation’s Legacy 100 Club, recognizing individuals whose innovations have made a lasting impact on the refrigeration and cooling industry.
Established by the National Refrigeration Foundation (NRF), the Legacy 100 Club honors pioneers whose contributions helped shape modern refrigeration technology and advance the industry’s role in supporting essential infrastructure worldwide.
Engalitcheff founded Baltimore Aircoil Company in 1938, building the company’s first cooling coil in his garage. Driven by curiosity, engineering ingenuity, and a commitment to solving customer challenges, he pioneered technologies that helped establish evaporative cooling as a highly efficient method of heat rejection for commercial and industrial applications.
During his career, Engalitcheff secured 47 patents, including 23 in evaporative cooling technologies, laying the foundation for decades of innovation. Today, BAC continues that legacy with more than 1,000 patents granted worldwide, delivering advanced cooling technologies that support HVAC, industrial, refrigeration, and data center applications
“John believed innovation mattered most when it solved real problems for customers,” said Don Fetzer, President of BAC. “His curiosity, courage, and commitment to doing things better shaped the innovative and customer-centric culture that continues to define BAC today. We are honored to see his contributions recognized by the National Refrigeration Foundation.”
Engalitcheff’s work helped advance cooling technologies that support many of the systems modern society depends on—from food refrigeration and manufacturing to commercial buildings and digital infrastructure.