HPA300

Honeywell makes some good air purifiers that are quiet and have a dimmer function for nighttime. A little more expensive, but reliable. I have an HPA200 and HPA 300 that have been running 24/7 for years.

I've been running a Honeywell HPA300 for about 2 years now and it's honestly made a huge difference with dust in my bedroom. The thing's built like a tank and you can actually see the pre-filter getting nasty after a few weeks which shows it's doing its job. Only downside is it's a bit loud on the h

AVOID BLUEAIR. If your unit breaks they will not offer replacement parts(out of warranty) on discontinued models even if only a few years old. I bought a $900 unit and bought over$3k in filters and the fan went bad after a few years and they would not provide a fix. Only offered me a small discount

Honeywell HPA300 is an absolute unit. Not the prettiest thing but it WORKS. We have severe dust allergies and two shedding dogs, and this thing keeps our living room air surprisingly clean. It's a bit loud on high but the lower settings are fine for background noise. Filters are reasonably priced to

Sadly air purifiers cannot help with radon and you will also need A LOT of plants to make a difference to your air - we wrote about it here https://housefresh.com/do-plants-clean-the-air/ If you still want an air purifier you can run in your basement and can help with particles and mild odors, then

Best overall: Coway Airmega AP-1512HH Mighty Probably the safest “default” choice. It’s been recommended for years because it just works — strong HEPA filtration, decent carbon layer, auto mode, and very solid reliability. Not fancy, but very balanced for most homes. Best budget pick: Levoit Core 30

Best overall: IQAir HealthPro Plus This is widely considered one of the most powerful residential air purifiers for mold and allergens. It uses HyperHEPA filtration that captures extremely fine particles beyond standard HEPA. It’s especially effective for people with strong mold allergies or respira

Also check the clean air delivery rate (CADR). I used this site to search for what was good - https://ahamverifide.org/ahams-air-filtration-standards/ I went with a bunch of Honeywell HPA300 machines to cover multiple rooms several years ago and have been thrilled. They run 24/7 every day on low but