Is a user-friendly, high-heat producer. It's large hopper capacity and maximum heat output of 45,000 BTUs allow it to heat 500 to 2,000 square feet with ease. The user has a choice of six heat settings, thermostatic or manual control, noise level, and automatic or manual control of combustion air supply. The dimensions of the steel FP-45 are 25.5" w x 28" d x 33" h. There is a full size ash drawer in the pedestal base. The unit may be vented with either 3" or 4" pellet vent. It incorporates electronic ignition.