Introducing the new Sapphire, the ultra high-efficiency, smart ductless split system from Gree. The Gree Sapphire Wall Mount Indoor Heat Pump Unit offers effortless control using the GREE+ app on your smartphone or tablet. Simply connect to your Wi-Fi network and then pair with the app to control the system wherever you are. Or, simply use our intuitive, multi-functional RF wireless remote controller, which comes equipped with the I FEEL function to maximize control over your comfort. You can choose from 9,000, 12,000, 18,000 and 24,000 BTU configurations for powerful, efficient cooling and heating that is just the right size for your home or office space.