> lots more money than some cleaning supplies lots more money than 12+ months of cleaning supplies, labor, delayed purchases, and increased transmission risk a

> lots more money than some cleaning supplies lots more money than 12+ months of cleaning supplies, labor, delayed purchases, and increased transmission risk amongst your staff and customers? i suspect it is close enough that we can't hand wave it away as you want to do. in some facilities it may have been nearly free, with some reprogramming done to the existing HVAC system, to run the fans more, or more frequently pull in outside air. > Does the exhaled air create risks to workers outside? this is just FUD.