Our team designed, built, and tested a fan/duct assembly (Figures 1 and 2), to investigate general airflow properties, only to inadvertently discover that HVAC ducts ...

Rhvac 8 by Elite Software, www.elitesoft.com, is an HVAC design program that calculates peak heating and cooling load requirements for rooms, zones, systems and entire buildings for residential and ...

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...