The 50,000 BTU Gas Unit Heater is the perfect heating solution for workspaces up to 1,600 sq. ft. or a 1.5-2 car garage. The unit ships in the NG setting but can be converted to LP with the included conversion kit. This unit also comes with power exhaust which allows for vertical or horizontal venting. These units are also compatible with Wi-Fi thermostats and Wall Thermostats (sold separately) which allows easy temperature adjustment for the unit. Safety Features including a High Limit Shut Off come standard to ensure maximum safety when using the Gas Unit Heater. CSA certified requires 120-Volt AC power.