Duct Elbows Explained: Types, Radius, Pressure Loss & Efficiency Tips
Duct elbows are essential components in HVAC ductwork, allowing air to change direction while maintaining…
Duct Velocity Pressure, Standards and Calculations
When designing a duct system, the velocity of the air traveling inside the duct is…
Duct Friction Loss Formula: How to Calculate Friction Loss in Ducts?
As an engineer, we are taught to size ducts based on a common friction loss…
Central Return vs Dedicated Return: An Unbiased Comparison
A centralized return or a dedicated return in every room are both viable ways to…
Return Duct Size for HVAC Unit (Sizing Chart & How-to Guide)
Return duct sizes are primarily depending on the airflow of the HVAC unit which is…
Duct Thickness Conversion | Gauge to mm
Duct thickness is expressed in gauges and millimeters. However, the conversion between gauges and millimeters…
