Control systems for recovery wheels, ventilation systems with recovery devices, buildings having ventilation, and methods of controlling recovery wheels and controlling or modifying ventilation systems. A parameter of ventilation systems or recovery devices, such as the speed of a recovery wheel, may...http://www.google.es/patents/US7886986?utm_source=gb-gplus-sharePatente US7886986 - Building, ventilation system, and recovery device control
Building, ventilation system, and recovery device control
