The Vent-Axia Lo-Carbon Sentinel Kinetic FH is a high performance, feature rich whole house heat recovery unit. Supplying fresh air, offering improved climate control and up to 90% heat recovery, this unit also saves energy and money by reducing heating and ventilation usage. Adjustbale speeds with a purge setting and integral humidity sensor to automatically boost airflow when showering or cooking. Two handed (right and left) versions available depedning on condensate connection.