Ahr Expo Chicago 2025. The ahr expo, short for air conditioning, heating, and refrigeration exposition, is a leading international trade fair in the field of air conditioning, heating, and. The floor plan provides a visual map of the entire event.

The ahr expo brings together manufacturers & suppliers to share ideas and showcase the future of hvacr. Since 1930, the ahr expo has remained the business’ best spot for oems, engineers, temporary workers, office administrators, draftsmen, instructors and other industry experts to investigate.