Steve Michaud, president and owner of New Ipswich, New Hampshire-based Monadnock Cooling Systems Inc., recalled an accident that occurred in his shop several years ago, which affected one of his employees’ hearing.

The Jan. 26-28 HVAC construction event at Chicago’s McCormick Place brought an estimated 62,000 people to the city.

Becoming a journeyman in the Sheet Metal Workers union requires completing a four-year program that teaches all facets of the trade.

NEW YORK — A Jan. 22 storm that dropped almost a foot of snow on Manhattan was not enough to prevent thousands from attending this year’s AHR Expo.