Air Quality IAQ Prevents Covid-19

The truth about Air Quality (IAQ) and the Prevention of Covid-19 There is so much misinformation online regarding indoor air quality (IAQ).  Especially for air conditioners and furnaces (HVAC systems) and the spread of viruses like Covid-19. IAQ products claiming they will kill 99% of the viruses in your heating/cooling HVAC system… is it true? […]