🧪 ASHRAE 110 Chemical Fume Hoods (100 FPM at 18" Operating Sash), Makeup CFM

Cleanroom Chemical Fume Hood Calculator

Size hazardous chemical and solvent fume hood exhaust systems in semiconductor and battery cleanrooms under ASHRAE 110 & OSHA 1910.1450: calculate exhaust airflow demand (CFM = Open Sash Area sq ft x 100 FPM face velocity at 18" working sash height), variable air volume (VAV) fast-acting sash tracking, dedicated makeup air, and mechanical HVAC profits.

1. Project & Operating Inputs

Chemical Fume Hoods Connected (Hood Count e.g. 14 Fume Hoods)

Hood Width (Feet e.g. 6.0 ft Wide Chemical Hood)

Customer Bid Price for Supplied & Connected Fume Hood Exhaust ($ / Hood)

Polypropylene Hood, VAV Venturi Valve, Coated Duct & Fitters ($ / Hood)

2. Financial Breakdown & Yield

ASHRAE 110 CHEMICAL FUME HOOD

Turnkey Fume Exhaust Package Profit

Specialty Exhaust HVAC Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost