Dunham-Bush has organized a technical seminar for its reputable distributors and representatives in the USA in conjunction with the AHR EXPO 2020 at Sheraton Vistana Resort Villas, Orlando. More than 150 participants have attended the technical seminar including HVACR consultants, engineers and designers. Some of the products introduced are high efficiency and environmentally friendly HFO Chillers, Packaged and AHU for the USA market.