Air purifier sizing
What size air purifier do I need?
2-step calculator • Based on AHAM CADR standards
Step 1 of 2 — Room size
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How big is your room?
We'll calculate the CADR (clean air delivery rate) needed for your space.
300 sq ft
1001,500
For your <span id='apResultSqft'>300</span> sq ft room
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CADR (CFM)
AHAM certified 4.5 air changes/hr