Tjernlund AireShare Fans
AirShare transfer fans offer an easy, cost effective solution for balancing indoor air temperatures. This series includes room-to-room fans (AS1 and AS1P) which are designed for installation through an interior wall and level-to-level (ASLL) fans designed for installation in the flooring between two stories. Available in plug-in or hardwired options. Compatible with SWS wireless wall switch and SWT wireless thermostat.