COVID-safe office buildings come at a cost to Mother Nature

Many office landlords are beefing up their HVAC systems and running them longer to mitigate the airborne spread of Covid-19, but that comes at a cost. Increasing the circulation of outside air through a building is seen as the best way to ensure safe and clean air, but it has to be heated or cooled first. One trade group for HVAC engineers suggested landlords run their HVAC systems 24 hours a day. That means more

source https://therealdeal.com/2020/07/25/covid-safe-office-buildings-come-at-a-cost-to-mother-nature/