1, ceiling type: ceiling type exhaust fan looks better, can be installed in the ceiling of the living room, this ventilation fan pipeline is shorter, so the installation also need to buy a ventilation pipe with the pipeline window type.
2, wall-mounted: wall-mounted smaller, can be set in the window above, but because of its narrow cross-section of the exhaust port, resulting in a weaker ventilation, so it is only suitable for installation in the bathroom or closed balcony and other small spaces.
3, window exhaust fan is different from the first two, it has a single, two-way operation, both indoor air out, but also can be supplemented with fresh outdoor air indoors, so the bedroom, kitchen and other rooms to install window exhaust fan is the most suitable.