Air Purifier / HEPA Filter: lifespan, maintenance and replacement

Typical lifespan: 5–10 years (about 8 years).

Maintenance schedule

• Clean pre-filter — Every 2 weeks
• Replace HEPA filter — Every 6–12 months
• Replace carbon filter — Every 3–6 months
• Wipe down exterior and sensors — Monthly

Signs it needs replacing

• Reduced airflow despite new filters
• Unusual odors from unit
• Motor noise increasing
• Unit unable to maintain air quality levels

Tips

Place air purifiers away from walls and corners for optimal airflow circulation.