Fresh air fraction

Fresh air fraction quantifies action of the economizer, and is defined by (Mass flow rate of fresh-air / Total air flow rate). Abbreviated faf.

Related Links

Fresh Air Fraction Control

Building Re-Tuning Training Guide: AHU MinimumOutdoor-Air Operation

Heating fresh air by hot exhaust air of HVAC systems

Air Handling Units Explained

Scheduled Natural Ventilation Data

Related Videos