* Inverter variable-speed compressor on the outdoor unit for energy-saving operation* Many modes included, controlled through wireless remote or wired wall controller: Cooling, Heating, Dehumidifying, Fan* Independent louver control* Internal condensate pump included* Swirl Wind controls the louvers and fan speeds to create a stronger, wider air flow* Jet Cool operates at high fan speeds for 30 minutes to quickly cool down a room* Operates down to 14°F in cooling mode* Allows refrigerant piping lengths up to 98 or 164 feet, and elevation difference of 66 or 98 feet (depending on the model)* R410A refrigerant