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Air Cleaners Sizing Calculator

Use this calculator to determine the CFM need for your application and how many air cleaner units you will need.

CFM = L x W x H x Air Changes per Hour / 60 min

Enter - L - Length of your room measured in feet
L =

Enter - W - Width of your room measured in feet
W =

Enter - H - Height of your room measured in feet
H =

Enter - ACH - Air Changes per Hour - from table
ACH =

Amount of CFM required -
CFM =

Air Changes per Hour (ACH)

Load Application ACH
Light General Offices, Computer Rooms 6
Average Conference Rooms, Break Rooms, Designated Smoking Areas 8
Heavy Bingo Halls, Extra Smokey Areas 12

Amount of Air Cleaners = Amount of CFM required / Air Cleaner CFM Capacity

Enter - CFM - Amount of CFM required
CFM =

Enter - CFM Capacity - Air Cleaner CFM Capacity - from table
Capacity =

Amount of Air Cleaners required -
Number =

Air Cleaner CFM Capacity

Model Low Medium High
X-11Q 500 700 1250
C-12 800 1050 1250
X-400 175 275 400
MiracleAir 60 150 400
DesignAir 235 285 430
CM-11 400 650 850
CM-12 380 630 850