To ventilate a room without windows, use an exhaust fan to remove stale air and bring in fresh air. Installing a ceiling fan or portable air purifier can also help circulate air. For permanent ventilation solutions, consider installing vents or ductwork to improve air quality and reduce humidity levels.

Rooms without windows can be ventilated with exhaust fans, ceiling fans, or air purifiers. Installing vents or ductwork provides a more permanent solution for improving air circulation and maintaining air quality.