Customers say these air purifiers effectively reduce dust, pet dander, and cooking odors throughout their homes. Many report noticeable improvements in air quality within days, with less dusting required and cleaner-feeling air. Users appreciate the quiet operation, with some describing it as providing pleasant white noise. The units are praised for their auto-sensing capabilities, automatically adjusting when detecting smoke, perfume, or other airborne particles. Pet owners frequently mention significant reductions in fur and dander. Many customers have purchased multiple units for different rooms and report improved breathing comfort. The filters capture substantial debris, surprising users when replaced. Setup is described as simple and straightforward.