The DeKalb School District has about 102 classrooms without windows; Sycamore has 58.
Dan Larsen runs campus safety and operations at Waubonsee Community College. He’s been responsible for revamping their air systems to combat COVID-19. He says even if rooms don’t have windows, there’s still plenty they can do, like improving HVAC systems. Clean air and ventilation go way beyond cracking a window on a nice day.
“You want to have the best filtration you can on your system that s number one. Number two, you want to run the maximum amount of outside air you can and still balance the building and still be economically efficient,” he said.