Join the IDNLearn.com community and start exploring a world of knowledge today. Find the answers you need quickly and accurately with help from our knowledgeable and dedicated community members.

An HVAC system consists of an air handler supplying conditioned air (mixture of return air and outdoor air) to an office, corridor, conference room and lobby. For Indoor Environmental Quality Prerequisite, Minimum Indoor Air Quality Performance, the ventilation rate procedure calculations must be based upon what HVAC system configuration?

A. Single-zone system
B. Multiple-zone system
C. Mixed-mode system
D. 100% outdoor air system