Expo Chicago 2025 Dates And Times. The 2025 ahr expo, the biggest hvacr industry event of the year, is scheduled for jan. In 2023, expo chicago was acquired by.

It featured 1,737 exhibitors, a record of more than 40 million pounds of machinery, 1,226,523 square feet of show space, and 89,020 registrants, including 14,713 at the smartforce student summit. In 2023, expo chicago was acquired by.