The benefits of a whole house fan. Whole house fans have helped cool homes for a century. The basic design is simple An attic mounted fan pushes air out through attic vents and draws cooler, outside air in through open doors and windows..QuietCool Cl.ic Advanced Direct Drive Whole House Fan with Dampers is a new take on the idea of whole house ventilation..Air Vent provides a complete line of ventilation products that meet the highest standards for quality and performance..Air Vent in Aluminum Single Belt Drive Whole House Fan at Lowe’s. The whole house belt drive pulley allows quieter operation and includes a s.d wall switch. It is UL Listed with thermal overload protection..