712 B
712 B
Definitions
IAQ
Stands for $I$ndoor $A$ir $Q$uality. We spend most of our time indoors, so having good indoor air quality can help reduce illness and potentially improve the quality and longevity of life.
TESP
Stands for $T$otal $E$xternal $S$tatic $P$ressure, which is a metric used to determine how much resistance the blower motor has to overcome for the airflow requirement of the system.
WC
Stands for $W$ater $C$olumn, which is a unit of measurement for pressure.