Bathroom Exhaust Requirements For Apartments, Condos, and Houses in NYC - New York City
The following excerpt is from the 2022 NYC Mechanical Code:
TABLE 403.3 MINIMUM VENTILATION RATES
Private dwellings, single and multiple
Toilet rooms and bathrooms g———20/50f
g. Mechanical exhaust is required and recirculation is prohibited.
f. Rates are per room unless otherwise indicated. The higher rate shall be provided where the exhaust system is designed to operate intermittently. The lower rate shall be permitted only where the exhaust system is designed to operate continuously while the dwelling unit or sleeping unit served by the toilet facility is occupied.