Keystone - Summit 230V 550 Sq. Ft. 12,000 BTU Smart Mini Split Air Conditioner 12,600 BTU Heater 24 SEER2 - 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 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 24 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. 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.
Recommended Room Size
550 square'Features
24 SEER2 Efficiency
The inverter-driven system delivers 12,000 BTU cooling and 12,600 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.
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
- 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 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 24 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. 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 DELLA Mini Split is a high-efficiency SEER2 Energy Star heat pump. It features Hyper Heat technology down to -22°F, smart Alexa control, and whisper-quiet operation. With its award-winning 2025 Red Dot Design and a included 16.4ft install kit, this ductless system offers efficient, all-season comfort with indirect, soft airflow.
Stay comfortable year-round with the DELLA 9000-24000 BTU mini split AC, featuring 22 SEER2 efficiency, inverter technology, and ultra-quiet performance. Soft, indirect airflow prevents harsh direct blowing for a more natural cooling experience. Control your system via WiFi app or Alexa/Google Home. Includes versatile modes, installation kit, and pre-charged refrigerant. Professional installation recommended.
Efficiently heat or cool your space with this mini split air conditioner. This pre-charged air conditioner unit is designed with a ductless mini split inverter plus system with a heat pump and dehumidification. The device can easily be controlled and adjusted from the remote control or from the DELLA app. The package includes all of the necessities for an easy installation experience. Our products have passed Works with Alexa (WWA) certification testing.
Specs
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