The GREE 12000BTU/Hr R22A is a wall-mounted heat pump system designed for efficient cooling and heating. It features high-efficiency DC inverter technology, which optimizes performance while minimizing energy consumption. The unit’s compact design allows for space-saving installation, and its quiet operation ensures minimal disruption. With the included wireless remote featuring an LCD display, users can conveniently adjust settings. Notably, the system can cool down to 0°F and heat down to -4°F, making it suitable for various climates. The indoor and outdoor coils are constructed with copper tubes and aluminum fins, including a Blue Fin coating.