2025 Ahr Expo Registration Process. Experience the innovations shaping the future of hvac at the 2025 ahr expo at danfoss' booth 1301. The ashrae winter conference, held concurrently with the ahr expo, will offer over 100 technical sessions.

The ashrae winter conference, held concurrently with the ahr expo, will offer over 100 technical sessions. As the premier event for the hvacr industry, the expo brings together over 1,800 exhibitors.