Hammond is product manager for analytical instrumentation at ABB Inc.’s Instrumental Division. Reach him at firstname.lastname@example.org
ABB recommends that the SMA2 analyzers for monitoring bagasse flue gases come equipped with a 100-ft control cable, 4-ft probe with Floppy Filter™ and secondary filter, automatic air blowback for sensor and filter cleaning, and a two-stage filter system for instrument air.
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.