Abstract: A combination fireplace/furnace is provided wherein the fire located within the furnace may be viewed as in a fireplace exteriorly of the furnace. The combination fireplace/furnace includes a woodburning furnace having a firebox defining a fire chamber wherein wood may be burned. An opening in the firebox surrounded by a tunnel member extending generally horizontally outwardly from the firebox permits viewing through the tunnel member of a fire burning within the fire chamber. Means are provided to close the tunnel member when viewing of the fire within the fire chamber is not desired. Transparent closure means are also provided to permit viewing through the tunnel while closing off the fire chamber from the viewing area.