Where do things stand in the never-boring world of refrigerant evolution? An industry veteran looks at life since the Montreal Protocol, a range of alternative refrigerants, and the political climate around the issue. For more than one reason, he writes, it is beneficial to keep up on the details and lead this refrigerant ‘charge.’
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.