Coway air purifiers

• Does not matter2, 2 models
• Hay fever or pollen0, 0 models
• Asthma or dust mite0, 0 models

A finer filter catches more pollen and dust mite. For asthma we also leave out ionisers that cannot be switched off.

• Does not matter2, 2 models
• Pets at home2, 2 models

Pet smell is a gas, not a particle, and only an activated carbon filter takes it out.

• Does not matter2, 2 models
• Wildfire smoke where I live2, 2 models

Smoke needs a measured smoke CADR and a carbon filter. We leave out ionisers that cannot be switched off.

• all2, 2 models
• ★★★★★ 5 stars0, 0 models
• ★★★★☆ 4 stars or higher0, 0 models
• ★★★☆☆ 3 stars or higher0, 0 models
• ★★☆☆☆ 2 stars or higher0, 0 models
• ★☆☆☆☆ 1 star or higher0, 0 models

Counts only models with at least 20 reviews: with fewer, the average says little.

• Does not matter2, 2 models
• 5% & up0, 0 models
• 20% & up0, 0 models
• 30% & up0, 0 models
• 50% & up0, 0 models

Below what the same store usually asked in the 30 days before, at a store we followed on all those days.