ever-popular computer modeling, we look at the characteristics of a
1980s-era chilled water system. The exercise points out that you
never really know how good the model is until the real thing is up
and running, but it also entails a thorough look at the systems and
their differences. The author also invites readers to “play along
at home” and compare notes on their model results.
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.