One of the most important things you must think about when buying an Extractor fan is the location you plan to use them. While it might not appear to be a crucial factor, in most homes the kitchen is the place where you'll be exposed to the most airborne diseases. Most people breathe their cooking smoke, and it is very easy for that steam to build up in the fresh air ductless. In the end, you'll have to do more work to keep it running in your kitchen and in certain situations, you might need to replace your fan. It is essential to check the fan carefully prior to buying it. This will make sure it is able to do the work you want it to.