Inman is principal with Mazzetti & Associates (San Francisco). He brings diverse health care experience ranging from managing large, multimillion dollar, acute care new and renovation projects to small difficult multiphased renovations within an operating facility. In particular, he has developed an expertise in infection and air quality control. He has successfully mitigated the spread of pathogens in health care facilities through gaining a global understanding of the site specific issues to assist in site planning and building orientation, air system selection, air distribution management, and understanding the program functionality within a hospital. He has also been instrumental in working with general contractors and facilities personnel to ensure that construction within and around an occupied, operational hospital is planned to maintain infection control and good air quality.
After years as a commonplace solution across the Atlantic, variable refrigerant flow systems are starting to establish their presence and value, in North America. After a quick primer on the thinking behind the technology, one firm shares their experiences and lessons so far in working with VRF.
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.