How quickly will an air purifier help my allergies?

Most people notice improvement within 24-48 hours of running a HEPA purifier in their bedroom. Keep doors and windows closed for best results.

Do air purifiers help with pet allergies?

Yes. HEPA filters capture pet dander particles. Place the purifier in the room where you spend the most time, and run it continuously on a low setting.

Best Air Purifiers for Allergy Sufferers 2026