What kind of filter should I use in my home HVAC system to help protect my family from COVID-19?
Minimum Efficiency Reporting Values, or MERV, reports a filter's ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses. Many home HVAC systems will have a MERV-8 filter installed as the default. Upgrading to a MERV-13 rated filter, or the highest-rated filter that your…