C535

Just to help with compatibility, since the C535 is sort of rare now in the USA (its a costco exclusive model; only otherwise sold from Winix USA directly as refurbished, or from other distributors like Woot and Meh) ...: This is mostly from my own testing except for the Winix Zero: C535 = Winix Zero

The C535 was $49 new in damaged box just a few days ago and sold out just recently. This is a costco specific version of the 5300-2. The C545 (wifi but personally sounds worse - smaller which is an advantage) is often on Winix refurb for $69. They are like new with fresh, sealed, filters. I'm in a s

75ft by 50ft with a low ceiling. That's a huge room - 3,750 sq. ft. I'm guessing there are missing decimal points. Consumer-grade air purifiers aren't designed to remove lead dust as such. I know you're on a budget so obviously it's better than nothing. But something like a Winix doesn't have airtig

It depends entirely on room dimensions (length x width x height). See Rule 4: Information For Air Purifier Requests or the AutoModerator comment where it's repeated. For wildfire smoke conditions, the particulate Smoke Clean Air Delivery Rate (CADR) should equal your room's area at the very least, a

Don't use a circular/cylinder type of air purifier. They only have 1 direct HEPA filter layer that is difficult to clean. Box shaped filters often have 3 layers of filtering... you can easily clean the outer layer that captures big particles, and prevents it from contacting the HEPA filter Winix C53