🌀 AMCA 210 / ASHRAE 51 (Airfoil / Backward-Inclined Fans, Static Efficiency 75%-88%, BHP)

Centrifugal Fan Performance Calculator

Calculate airflow (CFM), static pressure (SP in. wg), static efficiency (75% to 88%), and motor Brake Horsepower (BHP) for backward-curved and airfoil centrifugal fans (Greenheck / Twin City / Twin City Fan) under AMCA Standard 210 & ASHRAE 51: verify non-overloading horsepower curves, and industrial fan contracting profits.

1. Project & Operating Inputs

Fan Design Airflow (CFM e.g. 45,000 CFM Industrial Exhaust)

Fan Static Pressure (Inches WG e.g. 6.5" WG Static Pressure)

Customer Bid Price for Supplied & Racked Airfoil Centrifugal Fan ($)

Greenheck Class III Airfoil Fan, 75 HP TEFC Motor, Inertia Base & Tech ($)

2. Financial Breakdown & Yield

AMCA 210 CENTRIFUGAL FANS

Turnkey Industrial Fan Package Profit

Industrial Air Systems Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost