Keystone - Summit 18,000 BTU 23 SEER2 230V Single-Zone Ductless Mini Split Air Conditioner Heat Pump - White

The Keystone Summit 18,000 BTU Mini Split AC and Heating System delivers powerful, energy-efficient comfort for bedrooms, offices, living rooms, additions, and other spaces up to 1,000 sq. ft. This 230V Energy Star-certified ductless system includes indoor and outdoor units and is designed for professional installation to help ensure proper setup, optimized performance, and reliable long-term use. With up to 23 SEER2 efficiency, advanced R454B refrigerant, and inverter-driven technology, it continuously adjusts output to maintain a more consistent indoor temperature while reducing energy consumption compared to many traditional systems. Built for dependable operation in demanding climates, this mini split performs in outdoor temperatures ranging from 5°F to 131°F. The indoor unit operates as low as 30 dB on low fan. Multiple comfort modes including Cool, Heat, Dry, Fan, Turbo, Sleep, and ECO allow for customized comfort. Wi-Fi, app control, and smart home compatibility with smart home devices provide convenient remote access to temperature adjustments, scheduling, and energy-saving controls. Keystone customer service helps coordinate professional installation to save time and effort, while premium construction and an up to 7-year warranty support trusted, reliable performance.