The legislation would cap the number of students in school classrooms at 20 to 25, depending on grade level. Mayor Eric Adams has called it an unfunded mandate that will come at the cost of other school programs.
While engineers have called windows a less reliable source of ventilation because they depend on fickle weather conditions, city officials argue they are not only adequate but sometimes more effective than an HVAC system.
New York City's Department of Education is reporting the majority of its classrooms’ ventilation systems are working as designed. But that leaves hundreds of classrooms and whole buildings still under repair.