How Often to Change HEPA Filter in Air Purifier Guide
Quick Answer Most HEPA air purifier filters should be changed every 6 to 12 months, but heavy use, pets, smoke, and dust can shorten that timeline. Always follow your model’s manual first and replace sooner if airflow drops or the filter looks damaged. If you’re wondering how often to change a HEPA filter in an air purifier, the short answer is usually every 6 to 12 months for typical home use.…










