Air Flow Calculator

Air Flow Calculator Instructions:

Using the size of your containment and required air changes per hour (ACH), our air flow calculator is designed to assist you in choosing the best OmniAire machine for your application.

  1. Choose which units of measurement are relevant; SAE or Metric, and then enter the sizes of the containment in the calculator. Click the CALCULATE button and the bottom of the calculator will show you the results of your input.
  2. After calculating, compare the results with the reference list of OmniAire models below. It will help to choose the perfect size for your needs. If you have any questions or would like any advice, please feel free to contact us. Follow this link for more reference material from OSHA concerning air changes per hour.


SAE Air Flow Calculator

Enter Your Data Here

Containment Length: Feet
Containment Width: Feet
Containment Height: Feet
Air Changes Required: Per Hour


Containment Total Volume: Cubic Feet
Complete Air Change Every: Minutes
Volume Required per Hour: Cubic Feet
CFM Requirement: CFM


OmniAire Model Reference List:

Negative Air/Air Scrubbing Machines (Abatement & Restoration)

OA600N (rotomolded) 200 – 600
OA600 Series (metal) 150 – 550
OA1000 Series (metal) 300 – 1,000
OA2000 Series (metal) 400 – 1,900
OA2200 Series (metal) 1,000 – 2,000

Portable Air Cleaners (Healthcare Infection Control)

OA1200PAC 200 – 1,100
OA1600PAC 200 – 1,600

Commercial Air Purifiers (Indoor Air Quality)

OCA500/510 150 – 450
OCA1200/1210 600 – 1,200
OCA1500/1510 800 – 1,500