No, it's not with a whip and a chair, even though that may be tempting at times. Today's chillers are precision machines that rely on microprocessor-based electronic controls to not only provide more flexibility and reliability, but also to interact with just about any building automation system that's available.
With fuel prices making headlines regularly, users are increasingly conscious of price and supply issues. To that end, designers should keep energy contingencies in mind, too. A basic knowledge of propane-air backup systems could prove especially valuable when working with facilities using gas.
A building's mechanical and structural systems can either help or hinder the life of mold in a facility. Consider this a refresher on fundamental causes, along with several design and maintenance antidotes.
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.