The main purpose of a bathroom exhaust fan is to remove the moisture from the bathroom. It also helps eliminate bathroom odours and improve the quality of indoor air. If an unpleasant odour occurs in ...

October 27, 2015 Add as a preferred source on Google Add as a preferred source on Google Exhaust fans help prevent mold and mildew in bathrooms and basements, but when left on, they waste electricity.

This automatic bathroom fan controller circuit design is a lamp and fan motor control with a delayed switch off. This automatic fan control is commonly used in toilet and bathrooms. When switch S1 is ...