Ahr Expo 2024 Chicago Tickets. The floor plan provides a visual map of the entire event. The annual event brings together manufacturers, suppliers, contractors and engineers to share ideas and show case the future of hvacr and plumbing technology.

The annual event brings together manufacturers, suppliers, contractors and engineers to share ideas and show case the future of hvacr and plumbing technology. With an increasing focus on decarbonization and electrification, the ahr expo, dubbed hvacr’s largest event of the year, returns to chicago’s mccormick place jan.