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Duct Static Pressure Calculation & Fan Selection Guide
Calculate HVAC duct static pressure using the critical-path method, fitting and equipment losses, dirty-filter allowance, and fan duty-point checks. Includes a worked 8,500 L/s example, practical review checklist, and common fan-selection mistakes.
Mar 2117 min read
HVAC Fan Selection Guide (With Static Pressure Calculations)
Learn how to select HVAC fans correctly using airflow requirements and static pressure calculations. This guide explains fan types, pressure loss estimation, engineering selection steps, and practical design mistakes to avoid in real HVAC projects.
Mar 148 min read
How to Calculate Static Pressure in HVAC Duct Systems
Static pressure is a critical factor in HVAC duct design that directly affects airflow performance, fan selection, and system efficiency. This guide explains how engineers calculate static pressure in duct systems using friction loss, fittings losses, and equipment pressure drops, with step-by-step methods, formulas, and practical examples used in real HVAC design projects.
Mar 106 min read
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