Air Purifier Size Calculator
Calculate the right air purifier CADR rating for your room size and air quality concerns.
9.1Kuses
7.9/10(484)
Min CADR
100
CFM
Room Size
180 sqft
Purifier Size
Small
Filter Life
6 mo
Filters/Year
2
Filter Cost/Year
$70
Power Draw
30W
Energy Cost/Year
$32
Air Purifier Sizing
CADR (Clean Air Delivery Rate) measures purifier effectiveness. For allergies, aim for 4-6 ACH. The CADR should be at least 2/3 of room area in sq ft. HEPA filters remove 99.97% of particles.
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Disclaimer: This tool is provided as-is for informational and educational purposes only.