Abstract: A heating appliance having which a viewport through which combustion can be viewed incorporating a portion which is reflectorized to reflect some of the radiant heat of the burning fuel in the fire chamber back into the fire chamber to maintain high temperatures in the fire chamber for efficient combustion while reducing the temperature of the outer surface of the viewport and accordingly the likelihood of injury to persons accidentally touching the viewport and the possible damaging effects of thermal exposure and shock. The viewport is reflectorized in the preferred embodiment by a treatment which enhances the reflectivity of the transparent or translucent portion over that of transparent glass.

Abstract: This invention relates to improvements in heaters and more particularly to fireplace insert heaters.The invention relates to a cabinet for such heaters which provides a removable panel which is slidable relative to remaining portions of the heater to enable access to a flue connection for a firebox of the heater to thus enable the heater to be readily installed or removed from an in situ flue installation. The invention provides a removeable portion of a wall of the cabinet which when removed facilitates access to and connection and disconnection of the flue.

Abstract: A slow combustion stove having a transparent portion to enable vision into a primary combustion zone so that flames are visible in use has a double burning combustion chamber defined by the primary combustion chamber and a partitioned off secondary burning combustion chamber, an air inlet to enable air to circulate within the stove adjacent a deflector which deflects the incoming air over the transparent portion to cool and resist staining and soot build-up thereon. A majority of the air passes to the primary combustion zone and a proportion of further gases enter the secondary combustion chamber with the gases of primary combustion for combustion of smoke and other unburned gases.