The International Exposition Company reported in its Tuesday "Show Daily" publication that the 2018 AHR Expo featured 2,155 exhibitors, which represents 37 more exhibitors than were in attendance at the 2017 event in Las Vegas.
According to my iPhone, I logged 13.7 miles from Monday to Wednesday, traversing the carpets in the North and South Halls, and everything in between. No brag, just fact.
Some additional products I had a chance to view are provided in this final product gallery.
See you in Atlanta for 2019 AHR Expo.