More than 54,000 registered HVAC professionals, including nearly 35,000 attendees and more than 19,000 exhibitor personnel, attended the 61st AHR Expo, at Chicago's McCormick Place, Jan. 26-28. The event ranked as the second largest AHR Expo in terms of the number of exhibiting companies and the fourth largest AHR EXPO in terms of square footage - 396,048-sq.ft.rnThere were plenty of new technologies and products at the expo this year - more than 1,900 companies exhibited. Many products focused on sustainability, which not only benefits the environment by saving energy, but also benefits customers, manufacturers and contractors by saving money.
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