New York City is certainly renowned for the quantity and variety of tall buildings towering over the Manhattan skyline. Many of these structures are at a point where age has taken its toll on mechanical systems and now require replacement. Even if they are still operational, today’s new A/C systems are more energy efficient, making it cost effective for changeout.
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.