#1
AIRDOCTOR
AD5500
1 positive 0 neutral 0 negative
Based on 1 Reddit mentions
$799.20
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Winix 5500-2 vs air doctor ad4000?
Per the AHAM 2/3 rule, a 950 sq. ft. space needs minimum CADRs of 634 CFM. If you have elevated particulate matter pollution, higher CADRs would be recommended. If you're prone to wildfire smoke, the Smoke Clean Air Delivery Rate (CADR) needs to equal a room's square footage (assuming an 8 ft. high
...sissasassafrastic in r/AirPurifiers
February 9, 2026 2:45 AM
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