Ventilation Requirements Calculator

Calculate required air changes per hour (ACH), exhaust fan sizing, and OSHA compliance estimates for nail salon ventilation.

Room length (ft)

Room width (ft)

Ceiling height (ft)

Active stations

Primary service type

Existing ventilation

Tab to move between fields

Required ACH

General exhaust (CFM)945

Effective total CFM needed945

Exhaust fans needed4

Make-up air (CFM)945

OSHA compliance estimate70/100

Monthly ventilation cost$84.48

Room volume (cu ft)2,700

Sq ft per station75

Source capture CFM300

How to Use This Calculator

Enter room dimensions: length (ft), width (ft), and ceiling height (ft).
Enter the number of active nail stations and select the primary service type (polish, gel/dip, acrylic, or mixed).
Select existing ventilation level: none/windows, basic HVAC, or source capture at tables.
Read required air changes per hour (ACH) and general exhaust CFM based on your service type.
Check exhaust fans needed (300-CFM units) and make-up air (CFM) requirements.
Review the OSHA compliance estimate (/100) and monthly ventilation energy cost ($).

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