Best HEPA Air Purifiers for Home: 7 Models Compared
We compare seven HEPA air purifiers for home use, covering room size, noise, and smart features to help you choose the right model.
Air Purifiers
Portable air purifiers are rated for the room size they can serve, and comparing them starts with published figures such as CADR and recommended room area, filter type and filter replacement cost. This category explains how to read those specifications, how noise and running cost change with fan speed, and what to check before buying replacement filters. We focus on household air cleaning equipment and do not make medical or health-treatment claims; consult a qualified professional for health concerns.
Air Purifier Placement: Where to Put a Portable Unit
A purifier only cleans air that reaches it. Here is how clearance, room choice and doors affect how well it works.
Air Purifier Noise and Energy Use: What to Compare
Purifiers are loudest at the speed that gives their rated CADR. Here is how to balance noise, cleaning and running cost.
Air Purifier Maintenance: Filters, Sensors and Cleaning
A purifier with clogged filters moves less air. Here is a simple maintenance routine for filters, sensors and the unit itself.
Air Purifier Filter Types: HEPA, Carbon, Pre-Filters and More
Most portable purifiers stack several filters, each for a different job. Here is what each layer does and how to read the claims.
Sizing an Air Purifier to Your Room: CADR and ACH Explained
Room coverage claims are easier to compare once you understand CADR and air changes per hour. Here is how to size a portable air purifier.