AAF® -HermanNelson® unit ventilators from McQuay have improved classroom comfort and learning productivity for over 80 years. Ideal for new or retrofit applications, multiple configurations allow you to select the unit ventilator that best meets your application requirements. New AAF-HermanNelson unit ventilators are 65% quieter than previous models and deliver extra cooling capacity for the added ventilation requirements prescribed in ASHRAE Standard 62.1-1999. AAF-HermanNelson unit ventilators have an institutional-grade construction specifically designed for the classroom environment and are designed for easy maintenance.
