My small bathroom has a 100mm 12V extractor fan located above the bath, on a timer which runs for about 3 minutes after the light is switched off.
Still, after a bath or shower the whole room is covered in a film of water, and I have to open the window.
It looks to me like the fan isn't powerful enough to open the flap vent on the other side of the wall (which is about 40cm thick because of extra boxing-in in the room).
I wondered if I should try a more powerful fan - any recommendations?
As an alternative, could I install a fan with automatic shutters, and replace the flap vent with something that presents less of an obstance to air flow (louvre or cowl vent)?