ventilation fan; extractor fan
A fan installed in a wall, ceiling, or window to remove stale air, smoke, or odors from a room. Common in kitchens, bathrooms, and other enclosed spaces.
Please turn on the kitchen ventilation fan to let the smoke out.
The bathroom extractor fan broke, so I asked for repairs.
Please run the ventilation fan when cooking.
Please turn off the ventilation fan after you finish bathing.
I clean the ventilation fan once every six months.
The kitchen ventilation fan broke down.