To provide a fan heater enabling combustion of two types of fuel, using hulls, wood pellets, crushed sawdust, peels of fruit etc., which can be easily obtained at low cost from the neighborhood, as fuel, having two combustion chambers, capable of using not only one type of fuel but also two types of fuel, and capable of saving fuel cost by using either one of the combustion chambers in accordance with a heating area.

The fan heater enabling combustion of two types of fuel comprises: a fuel input part for supplying fuel inside a storage tank to inside of the fan heater; a combustion part igniting and burning the fuel supplied from the fuel input part; a combustion waste storage part for storing combustion waste of which combustion is completed by the combustion part and discharging the combustion waste to outside of the fan heater; a fuel waste removing part for putting the combustion waste discharged from the combustion waste storage part in a bag and removing it; a heating part 50 generating heat by heat generated in the fuel combustion process in the combustion part; and an air blowing part forcibly blowing air to the heating part 50 to discharge hot air to inside of the fan heater.