2026 NEW Keystone - Summit 9,000 BTU 23 SEER2 230V Single-Zone Ductless Mini Split Air Conditioner Heat Pump - White

Keystone - Summit 9,000 BTU 23 SEER2 230V Single-Zone Ductless Mini Split Air Conditioner Heat Pump - White

The Keystone Summit 9,000 BTU Mini Split AC and Heating System delivers efficient, year-round comfort for bedrooms, offices, additions, studios, and other spaces up to 400 sq. ft. This 230V Energy Star-certified ductless system includes indoor and outdoor units and requires professional installation to 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, making it ideal for bedrooms, nurseries, and home offices where quieter operation matters. Multiple comfort modes including Cool, Heat, Dry, Fan, Turbo, Sleep, and ECO allow for customized comfort throughout the day.

Features

23 SEER2 Efficiency

The inverter-driven system delivers 9,000 BTU cooling and 10,000 BTU heating, adjusting output as conditions change to support steady, efficient comfort in spaces up to 400 sq ft.

Targeted Comfort for Small Spaces

Ideal for homeowners, property managers, and office managers seeking focused heating and cooling for small bedrooms, home offices, private offices, studies, and similar rooms.

Built for Changing Seasons

Designed to operate in outdoor temperatures from 5°F to 131°F, the system provides dependable heating and cooling through hot summers, cold weather, and transitional seasons.

Quiet for Sleep and Focus

The indoor unit runs at 30 dB on low fan speed, helping minimize disruption while sleeping, working, studying, joining calls, watching TV, or relaxing.

Cleaner Cooling

This advanced Summit series combines high efficiency with a more eco-conscious R454B refrigerant that reduces environmental impact and supports energy-efficient operation compared to many older refrigerant systems.

Specifications

Included items

• Indoor unit, mounting bracket, batteries (2 AA), remote, screws, anchors, plugs, installation cardboard, communication wire, rubber pads
• Outdoor unit, drain hose, plasticene, outdoor drain vent/joint, insulation tape, tubing insulation, refrigerant pipes, hole covers, wall sleeve

Available options

• Recommended Room Size: 400 square', Model: KYSTNTP09CB2
• Recommended Room Size: 400 square', Model: KYSTNTP09CB1
• Recommended Room Size: 550 square', Model: KYSTNTP12CB1
• Recommended Room Size: 550 square', Model: KYSTNTP12CB2

Product documents

• User Manual ['eng', 'spa']
• Installation Guide ['eng', 'spa']

Product information

Cancer and Reproductive Harm

Product gallery