News on Mechanical Ventilation with Heat recovery, HRV filters and a healthy indoor climate.

AIR QUALITY & COVID-19 (corona virus)

AIR QUALITY & COVID-19 (corona virus) Scientists also found that air pollution contributes to the severity of the disease. A nationwide study, conducted by Harvard University, showed that counties in the USA with high levels of air pollution before the COVID-19 crisis have higher death rates (defined as COVID-19 deaths per total population).