In their article entitled “Do OA Economizers Make ‘Cents’ in Hospitals?” Koenigshofer and Roberts detail the costs and savings of utilizing outside air economizers in hospital ventilation systems. They concluded that these systems do not make “cents” in hospitals. The findings have major implications for building codes throughout the U.S. 

The 2018-IgCC combines the technical requirements developed by the ASHRAE Standard 189.1 with the model code administrative provisions by the Code Council. As a result, the 2018-IgCC is now a unified code that emphasizes adoption, ease of use and enforcement for building projects.

ACCA has released a new video series aimed at helping code officials understand the residential HVAC design process. The three-part series, “What Code Officials Need to Know about HVAC System Design,” gives an overview of the steps involved in doing a load calculation, equipment selection, and duct sizing.