Because ARI Standard 550/590-98 was derived from analysis of a single-chiller system, this has raised concerns about its applicability to multiple-chiller systems. The author maintains that the new standard works with multiple configurations.
The University of Connecticut has set its sights on duplicating its men's basketball success with its ice hockey team. The first challenge was upgrading the one-time outdoor arena into an indoor rink that provides smooth ice and a comfortable environment year around.
There is a lot of buzz these days about desiccant dehumidification systems: Where should they be applied? How should they be specified and designed? In the first of two parts, the author finds that after talking with the experts, the answers to such questions can still be a little murky.
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.