Guides
HEPA vs Carbon Filter: What Each One Removes (and Which You Need)
HEPA filters trap particles; activated carbon adsorbs gases and odors. Neither does the other's job. Here's what each removes and which you need.
6 min read
In-depth articles and practical tips
Guides
Practical indoor air quality guides: how to improve the air at home, why your house gets so dusty, HEPA vs carbon filters, and the difference between air scrubbers and air purifiers.
Guides
How to Improve Indoor Air Quality: 9 Steps in the Order That Works
Cut pollution at the source, bring in outdoor air, then filter what's left. Nine EPA-based steps, from humidity and mold to purifiers and radon.
7 min read
Guides
Air Scrubber vs Air Purifier: What's the Difference?
"Air scrubber" means a job-site HEPA machine or an in-duct HVAC gadget, depending on who is selling it. Here's how both compare with a home air purifier.
5 min read
Guides
Why Is My House So Dusty? Causes and Fixes That Work
Most house dust blows in, gets tracked in or is shed indoors. Here is where yours likely comes from and the fixes in the order that pays off most.
7 min read