The 5th Generation MRCOOL 9k BTU 115V now comes equipped with R454B refrigerant, the latest eco-friendly solution offering enhanced energy efficiency, reduced greenhouse gas emissions, and a lower Global Warming Potential (GWP). Designed for quiet operation, this Advantage mini-split unit delivers reliable heating and cooling for your home without the need for ductwork, ensuring an efficient and cost-effective solution for any space. Ideal for homeowners seeking an affordable yet powerful climate control system, the sleek Advantage air handler will give you the comfort you need all year long. With built-in Wi-Fi, you can conveniently control the unit via remote access, allowing it to automatically adjust the temperature overnight for optimal comfort and energy savings.