Uniform Energy Factor (UEF): 0.98;15,000 BTU (4.3 kW) (minimum);398,000 BTU (116.6 kW) (maximum);Indoor;Manufacturer Trade Model Number - U.S.:CHS398100HCXVAiN;Product Depth: 40 inch (1016mm);Product Height: 79 inch (2007 mm);Product Width: 33 inch (838 mm);Product Weight: 530 lb (240 kg);Gas Type: Natural Gas;Installation Type: Indoor;Recirculation Capable: Yes;Uniform Energy Factor (UEF): 0.98;Wi-Fi Capable: Yes;SCAQMD Approved Ultra Low NOx