The GeneralAire 4665 HRV (Heat Recovery Ventilator) is used in the home to:
This GeneralAire HRV unit is variable speed and equipped with a drain pan which is sloped to ensure proper drainage. The simple controls on the 220 CFM Heat Recovery Ventilator are electronic.
GeneralAire 4665 HRV specifications:
Heat Recovery Units are important for saving energy and costs in your home while providing your family with ventilated indoor air. The unit is often called the 8220 HRV Unit.