Abstract: An incinerator including an incineration chamber; a chamber wall having a first insulating material for retaining heat in the incineration chamber, the insulating material being mounted on the lower portion of the chamber wall, and a second insulating material for allowing a portion of the heat to radiate from the incineration chamber, the second insulating material being mounted on the upper portion of the chamber wall, the chamber wall further defining at least one hot air inlet for allowing hot air to enter the incineration chamber and at least one incineration gases outlet for allowing hot gases to exit from the incineration chamber a dividing wall disposed around the chamber wall, thereby defining a gas space between the chamber wall and the dividing wall, and at least one gas outlet for allowing hot gas to pass from the gas space; an exterior wall disposed around the dividing wall, thereby defining an air space between the dividing wall and the exterior wall, the exterior wall further defining at least