Qmark 240 volt MUH electric unit heaters can mount either horizontally or vertically. It’s a designed for insulated garages, workshops, basements and more. This heater has the option of an unit mounted or wall thermostat. And an optional universal wall & ceiling bracket for mounting flexibility. The MUH is ruggedly built, yet lighter weight for easier installation. No piping flues, water valves, or traps.