it’s best to select a filter with the highest MERV rating possible for your specific HVAC system. When it comes to home air purifiers, HEPA filters are considered the best at removing at least ...

Follow CR's advice for improving indoor air quality with filters for your HVAC systemSmoke from the Palisades Fire fills the sky in the Pacific Palisades neighborhood of Los Angeles on Jan. 07, ...

Filters are key, whether you're using them to upgrade your ... or MERV. Filters with higher values can catch smaller contaminants like smoke, bacteria and viruses. A MERV rating of 13 means ...