For medium to large spaces, the AirVolution-D 550 fan is extremely effective at controlling temperature and humidity. Ideal locations include auto shops, gyms and agricultural applications. The system design eliminates the gearbox for a lighter, leak-proof fan that is durable and runs with less friction. This design makes it easy to install, maintenance-free and practically inaudible. The full line is also Wash Down rated for indoor or outdoor use.
Raphael Schumacher, farmer Pocahontas, IL