The 2026 AHR Expo, which is the world’s largest HVACR marketplace event, hosting more than 1,800 exhibitors and 50,000 attendees at the Las Vegas Convention Center. AHR is providing the latest equipment, information and insight into association and industry matters, organized free educational sessions covering topics such as 2026 federal and state regulatory activity, environmental product declarations, U.S. refrigerant policy, and more.