From heat pumps and motors to AI and air purifiers, the show floor once again was pulsing with innovation.

After an energized Day 1, the big show seemed to gain momentum on Day 2. See some of the sights that caught our editors' eyes.

AHR Expo's first day in Orlando was overflowing with innovative new products and pitches.

GALLERY: This month, we feature energy recovery ventilators, dew point sensors, smart pumps, and more.

GALLERY: This month, we highlight electric hybrid VRF, centrifugal chillers and ultra-low GWP refrigerant, light commercial electric boilers, HRV/ERV ventilation, and more...

GALLERY: This month's product gallery features heating, ventilation, pumps, pipe, tools, and more.

GALLERY: This month, we spotlight monitoring solutions and displays, heating and cooling equipment, ventilation, and more.

GALLERY: This month, we highlight air purifiers, heat pumps, water heaters, flush valves and faucets, wireless water meters, HEPA filters and more...

GALLERY: This month's highlights include a VRF heat pump, a light commercial electric boiler, an evaporative condenser, video borescopes, and more...

GALLERY: Spring collection includes Smoke Detectors; Smart Pumps; IAQ Sensors; Dampers; Louvers; Security Controllers; and more...

GALLERY: This month, we spotlight IAQ equipment, ducted systems, drives and motors, leak detection, portable power, zoning, hydronics, and more.

Wednesday was getaway day at the Big Show, but that just meant attendees had their luggage with them when they visited booths for the last time during this expo.