Filters are key, whether you're using them to upgrade your home's HVAC system ... If you plan to buy a portable air cleaner or purifier, the EPA says you should make sure it has a HEPA filter.

Filters are key, whether you’re using them to upgrade your home’s HVAC system or put them in an air purifier or ... If you plan to buy a portable air cleaner or purifier, the EPA says you should make ...

The very best air purifiers for smoke are designed to filter out harmful microscopic particles, helping you breathe better.

for more DYI tips on what you can do at home. Read the full story ... If you plan to buy a portable air cleaner or purifier, the EPA says you should make sure it has a HEPA filter.