It’s where the stove fires up and where there’s fire, there’s smoke. It’s important that you don't end up inhaling a lot of it during your time in the kitchen.An exhaust fan is used to remove al kinds of smoke and unwanted smell produced in the kitchen and to help ventilate it. It can also help in dissipating the accumulated heat from the stoves and ovens out of the kitchen. Exhaust fan installation takes a couple of hours. Common problems with exhaust fan include exhaust fan making noise, exhaust fan not turning-on, exhaust fan vibrating etc.