Heat up to 2000 sq. ft. with 15,000-50,000 BTU using this powerful home heater. Application: Stove, BTU Output: 15,000 - 50,000, Fuel Type: Pellet, Blower Included: Yes, Blower (CFM): 265, Heat Settings: 4, Full Load Run Time (Hours): 43 - 150, Heating Capability (sq. ft.): 2,000, Igniter: Yes, Thermostat Included: No, Dimensions W x D x H (in.): 24 x 28 x 52 300-lb. hopper 13 stainless steel heat exchange tubes Large-view glass door allows ambient lighting from fire Automatic ignition