Filters, Tech & Running Costs
Air Purifier vs Ionizer: Is an Ionizer Worth It?
Air purifier vs ionizer: compare particle capture, ozone concerns, upkeep and room needs to choose the right air cleaning method for your home.
Filters, Tech & Running Costs
HEPA and carbon filters, UV and ionizer claims, washable parts, power use and filter upkeep.
Filters, Tech & Running CostsAre Air Purifiers With UV Light Worth It?
An air purifier with UV light may add another particle-reduction step, but a well-sized HEPA filter does most of the work. Learn what to check before you buy.
Filters, Tech & Running CostsBest Air Purifiers With Washable Filters
Compare the best air purifier with washable filter options, including models with washable pre-filters, washable screens, or washable pre-filter covers.
Filters, Tech & Running CostsCan You Wash a HEPA Filter? What Really Works
Can you wash a HEPA filter? Learn why most aren't washable, how to clean a washable pre-filter, and when to replace your purifier's HEPA filter.
- Filters, Tech & Running Costs
How Much Electricity Does an Air Purifier Use?
Find out how much electricity an air purifier uses, estimate daily and yearly energy costs, and compare wattage, fan settings, and run time.
Filters, Tech & Running CostsHow to Tell If an Air Purifier Is Working
Learn how to tell if an air purifier is working by checking airflow, filter fit, indicator lights, sensor readings, and changes in dust or odors.
Filters, Tech & Running CostsShould You Leave an Air Purifier On All the Time?
Should you leave an air purifier on all the time? Learn when continuous use helps, how to manage noise and filter care, and when to turn it off.