Lynwood W76 - Cast Iron Wood Burning StoveSpecifications Peak Heat Output: 45,500 BTUs hr EPA Certified 78% Maximum Efficency Non Catalytic Heats up 2000 ft2 Maximum Log Size 21 Massive Glass for Fire Viewing Average CO5 120 gh Convenient top load keeps smoke and ash contained and increases load capacity Exclusive swing out ash pan allows you to cleanly remove ashes, even when the stove is hot Thermostatically controlled combustion for longer, more even heat Reverse flue collar for flexible