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NEW YORK - Warren Beeton, vice president of engineering for Emerson Climate Technologies, reviews some of the latest environmental issues during a press briefing on Monday, Jan. 21, at the AHR Expo in New York City. Seated is Karl Zellmer, vice president, sales, Air Conditioning Division for Emerson, who also made a presentation. Both speakers encouraged contractors to move swiftly away from the use of R-22 in new installations and instead encourage customers to specify equipment using HFC refrigerants.