Vermont Castings Aspen Standard Features EPA Certified Front loading Ash pan thermostatic control Top plate cooking surface Options Colors: Classic Black or Bordeaux Outside air adaptor Specifications Max. BTU: 28,500 Approx. Heating Area: 800 sq. ft. Burn Time (typical): up to 5 hrs Efficiency: 81% Log Size: up to 16" Firebox Size: 1.0 cu. ft. Flue Size: 6" Price: $0.00 Updating cart...