Greenheck’s new Utility Set Fan (USF) Series offers multiple levels of construction to meet a wide range of commercial and industrial applications. Constructed from galvanized steel with a bolted frame, USF-200 utilizes a backward inclined centrifugal wheel and is ideal for Class I airflow and pressure applications where clean air is being exhausted. USF-200 capacities range from 50 to 13,700 cfm and up to 5.0 in. wg.
Critical facility HVAC and indoor air management is not all alike! In doing my homework for writing this column on critical facilities, I have been struck by the precision of IAQ monitoring in data centers.
To this day, the greatest surprise of my life occurred when I was a young student at Berkeley Junior High. At the year-end assembly, unexpectedly, I heard my name called as they announced the recipient of the Seventh Grade Citizenship Award.
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.