"ps, storage buildings, and other commercial/industrial applications Warranty: 90-day limited warrantyVoltage: 240 voltsWatts: 4000 wattsAmps: 16.7 ampsFrequency: 60 HzCertifications: UL , CUL Heating Capacity: 13648 BTUsHeating Method: Fan-Forced Construction: Metal Adjustable Louvers: NoInstallation Type: Plug-In Built-In Thermostat: YesThermostat Type: Single Pole Wall Mountable: YesCeiling Moun" . . . .