Mark S. Lentz, P.E., President, Lentz Engineering Associates, Inc., Sheboygan Falls, Wis.

Sky’s the Limit

Poor air quality and high energy use are problems especially severe in educational facilities. This, of course, is due to consistently high occupant densities and high required rates of ventilation. But these twin dragons have also come home to roost because of the way school HVAC systems have historically been designed.