24V DC Window Air Conditioner & Heater runs directly off battery

Only takes 350-500 watts to run and operates directly off your 24 volt battery. The absolutely cheapest way to run this would be to wire it to two car batteries in series for 24 volt operation. You can also select a package with battery, solar, or charge controller to have a fully functional self-contained cooling and heating system for total off-grid operations. See unit in VR in your building - check out the 3d model picture. 6000 - 9000 BTU/h window unit heat pump that can operate as an air conditioner and as a heater. This heat pump is 5 times more efficient than using an electric heater. It is at least twice as efficient as a 110 volt window AC unit and effectively three times more efficient when using with an off grid 24 volt system, without requiring an inverter. All parts inside are DC-native. This is "how it's done", if you are serious about the most efficient and reliable heat pump.True 24 volt DC compressor and fans; this unit does NOT require the use of an inverter. This i