An air purifier typically lasts between 3 to 5 years, with factors such as filter type, usage frequency, maintenance, and environmental conditions impacting its lifespan. Regular cleaning, proper filter replacement, and correct placement can prolong its life. Signs of needing replacement include reduced air quality, ineffective particle removal, excessive noise, or frequent malfunctio... https://airhubco.com/whats-the-average-lifespan-of-an-air-purifier/