Perfect Window™ Fresh Air Heat Recovery Ventilation Systems is heat recovery ventilators provide proper levels of ventilation with energy savings by transferring heat between the exhaust and fresh air streams.
Includes heat transfer core, pre-filters, fan and blower assembly, and defrost.
Provides ventilation that helps contractors meet ASHRAE 62-89.
Automatic, economical, built-in defrost for operation to design temperatures of -40F.
Electronic ventilation fan timer option.
Low voltage, high-speed override.
Variable fan speed control.
Easy-to-clean cross-flow aluminum core assures years of trouble-free operation.
Rugged steel cabinet.
Permanent (washable) pre-filters.
Integral balancing dampers.
Includes vibration isolation hardware and duct collars.