The PCA®3 portable combustion analyzer features a full color graphic display for high visibility, a user-friendly interface, and sensor configuration flexibility. In addition to the included oxygen and CO sensors, the PCA®3 can be ordered with CO (high), nitric oxide, nitrogen dioxide, and sulfur dioxide sensors. Sensors can be added or removed in the field without down time, using the B-Smart® pre-calibrated sensor options. — Bacharach, Inc.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.