Room Size & CADR Calculators
Use simple calculators to match room size to CADR/ACH targets and avoid underpowered setups.
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Square Feet to CADR Cheat Sheet: Quick Sizing Table
Convert room square footage to CADR quickly, understand ACH targets, and use simple sizing tables to plan effective…
ACH to CADR Conversion: A Simple Formula With Examples
Learn how to convert ACH to CADR, estimate the air purifier size you need, and see step-by-step examples…
CADR Calculator: Room Size + Ceiling Height + ACH Target
Learn how to calculate the CADR you need using room size, ceiling height, and ACH targets to plan…
One Big Purifier vs Two Small Ones: Which Cleans Air Faster?
Learn whether one large air purifier or two smaller units clean indoor air faster. Understand CADR, coverage, placement,…
CADR vs Room Size: A Simple Table You Can Use Before Buying
Learn how to match CADR to room size, understand ACH, and use simple tables and examples to choose…
Room Size Calculator for Air Purifiers (CADR Rule of Thumb)
Learn how to size an air purifier with CADR, ACH, and simple room measurements. Use practical rules of…
How to Choose the Right Air Purifier for Your Room Size
Learn how to match an air purifier to your room size using square footage, ceiling height, CADR, and…