AHAM AC-1 Volumetric CADR & ACH Sizing Calculator

Calculate minimum Smoke Clean Air Delivery Rate (CFM) based on room dimensions, ceiling heights, and target air changes per hour (ACH).

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Recommended Smoke CADR Rating:
180 CFM CADR
Room area: 270 sq ft | Air volume: 2,160 cu ft | Target: 4.8 air exchanges per hour.
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