Category: HVAC
-
Centrifugal pump characteristic curve – HQ curve
Centrifugal pump performance is visually represented by characteristic curves, which illustrate how the pump behaves…
-
Supply air flow control for VAV system
Air handling unit (AHU) in Variable Air Volume (VAV) systems utilizes Variable Speed Drive (VSD)…
-
Exhaust treatment in HVAC system
There are four types of exhaust usually encountered in HVAC systems. Different types of exhaust…