Empire's economical Gravity Vented Furnaces utilize state - of - the - art technology for the highest fuel efficiency.The patented burner design reduces NOx emissions by 50% for cleaner operation Furnace recesses into wall or mounts flush with GWTW - 2 (Sold seperately) Heat one room with the GWT-25 Common size retrofits easily Total comfort for a fraction of the cost of electric heat Proudly Made In USADepth: 6 Fan Forced: Fan Forced Features: Thermostat, Remote Control Height: 66.13 Power: 25,000 BTU Power Source: Gas Safety Features: Automatic Shut - Off, CSA CE Approved Type: Wall Mounted Panel Width: 16