Keystone - Summit 115V 550 Sq. Ft. 12,000 BTU Smart Mini Split Air Conditioner 12,400 BTU Heater with Remote - White
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About this product
The Keystone Summit 12,000 BTU Mini Split AC and Heating System delivers efficient, year-round comfort for bedrooms, offices, additions, studios, and other spaces up to 550 sq. ft. This 115V 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 throughout the day. Wi-Fi, app control & 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 & effort, while premium construction and an up to 7-year warranty support trusted, reliable performance.
23 SEER2 Efficiency
The inverter-driven system delivers 12,000 BTU cooling and 12,400 BTU heating, adjusting output as conditions change to support steady, efficient comfort in spaces up to 550 sq ft.
Targeted Comfort for Everyday Spaces
Ideal for homeowners, property managers, and office managers seeking focused heating and cooling for bedrooms, garages, sunrooms, home offices, and similar spaces.
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.
Control Comfort Your Way
Use the app or compatible voice control to adjust temperatures and schedules remotely. Choose Cool, Heat, Dry, Fan, Turbo, Sleep, or ECO mode to match daily comfort needs.Uses R454B refrigerant.
- Recommended Room Size550 square feetBTU Cooling Rating12000 british thermal unitsNumber of Cool Settings5Number of Fan Speeds5Airflow Rate500 cubic feet per minuteRemote ControlYes
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The Keystone Summit 12,000 BTU Mini Split AC and Heating System delivers efficient, year-round comfort for bedrooms, offices, additions, studios, and other spaces up to 550 sq. ft. This 115V 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 throughout the day. Wi-Fi, app control & 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 & effort, while premium construction and an up to 7-year warranty support trusted, reliable performance.

The Keystone Core 9,000 BTU Mini Split AC and Heating System delivers quiet, energy-efficient comfort for bedrooms, offices, and other spaces up to 400 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 21 SEER2 efficiency, advanced inverter technology, and an optimized R32 refrigerant system, it continuously adjusts output to help reduce energy use while maintaining steady indoor comfort without bulky ductwork. Built for dependable year-round performance, this mini split operates in outdoor temperatures ranging from 5°F to 127°F for reliable comfort through changing seasons. Indoor sound levels as low as 28 dB make this Core system quieter than a whisper. Multiple modes including Cool, Heat, Dry, Fan, Turbo, Sleep, and ECO allow for customized comfort throughout the day. Wi-Fi, app control, and smart home compatibility with smart home devices provide convenient remote access. Keystone customer service helps coordinate professional installation to save time and effort, while durable construction and an up to 7-year warranty support trusted, reliable performance.

The Keystone Core 12,000 BTU Mini Split AC and Heating System delivers quiet, energy-efficient comfort for bedrooms, offices, and other spaces up to 550 sq. ft. This 115V 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 20 SEER2 efficiency, advanced inverter technology, and an optimized R32 refrigerant system, it continuously adjusts output to help reduce energy use while maintaining steady indoor comfort without bulky ductwork. Built for dependable year-round performance, this mini split operates in outdoor temperatures ranging from 5°F to 127°F for reliable comfort through changing seasons. Indoor sound levels as low as 28 dB make this Core system quieter than a whisper. Multiple modes including Cool, Heat, Dry, Fan, Turbo, Sleep, and ECO allow for customized comfort throughout the day. 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 durable construction and an up to 7-year warranty support trusted, reliable performance.

GE Appliances is dedicated to providing the right solutions for rooms of any size. Our window air conditioners are designed to offer exceptional comfort while remaining quiet, and our latest connected technology makes these products versatile and easy to use.This 8,000 BTU smart window air conditioner cools medium rooms up to 350 square feet. Energy efficient cooling with 3 cooling and 3 fan speeds provides flexible and optimal home comfort. Integration with the SmartHQ app allows you to monitor, schedule, and control your connected air conditioner from anywhere, or use the electronic controls with included remote to easily adjust and manage your settings. This AC installs easily in a double hung window with included window kit and fixed chassis. Additional features like eco mode, power interruption restart, 24-hour on/off timer, and removable filter offer ease of use and maintenance.
| Pros for Keystone - Summit 115V 550 Sq. Ft. 12,000 BTU Smart Mini Split Air Conditioner 12,400 BTU Heater with Remote - White | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Cooling Performance, Noise Level, Installation Ease, Size, Remote Control |
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