Keystone - Summit 18,000 BTU 23 SEER2 230V Single-Zone Ductless Mini Split Air Conditioner Heat Pump - White
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About this product
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.
Features
23 SEER2 Efficiency
The inverter-driven system delivers 18,000 BTU cooling and 19,000 BTU heating, adjusting output as conditions change to support steady, efficient comfort in spaces up to 1,000 sq ft.
Targeted Comfort for Larger Spaces
Ideal for homeowners, property managers, and office managers seeking focused heating and cooling for large living areas, basements, apartments, 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 Daily Activities
The indoor unit runs at 30 dB on low fan speed, helping minimize disruption while working, watching TV, entertaining, exercising, or relaxing in shared living spaces.
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.
Specifications
- Recommended Room Size1000 square feetBTU Cooling Rating18000 british thermal unitsNumber of Cool Settings5Number of Fan Speeds5Airflow Rate735 cubic feet per minuteRemote ControlYes
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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.

The Keystone Summit 24,000 BTU Mini Split AC and Heating System delivers powerful, energy-efficient comfort for bedrooms, offices, living rooms, additions, and other spaces up to 1,500 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. Multiple comfort 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 & effort, while premium construction and an up to 7-year warranty support trusted, reliable performance.

This Electrolux Vanguard unit is a 230V 18,000 BTU single-zone ductless inverter mini split air conditioner & heat pump built for spaces up to 1,000 sq ft. PERFORMANCE YOU CAN TRUST: Heating capacity of 19,000 BTU with verified cold-climate operation in temps as low as -13°F (-25°C), and cooling from 5°F to 131°F. Quiet-running rotary inverter compressor, R32 refrigerant, single-zone ductless mini-split ac system. OUTSTANDING EFFICIENCY: 24 SEER2, EER2 of 13, and HSPF of 10. Energy Star certified and AHRI certified. R32 refrigerant carries lower global warming potential than R410A. SMART CONNECTIVITY: Smartphone, Alexa & Google Assistant support, on-device local scheduling, filter change alerts, and self-diagnosis. QUIET & VERSATILE: Indoor noise as low as 30 dB(A) & 8 modes - Auto, Cool, Heat, Dry, Fan-Only, Turbo, Sleep & Eco. BUILT TO LAST: Includes 13' mini split line set, indoor unit mini split wall mounting bracket, and top-access washable dust filter. Compatible with mini split line set cover kits and mini split cleaning kit accessories for easy upkeep. High-temp self-clean & sterilization, refrigerant leak detector, chassis heater, fire-rated electrical box, modular PCB, and auto restart. Professional installation required. Disclaimer: The companion app displays the unit’s temperature only in Celsius (°C) and does not support conversion to Fahrenheit (°F).

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Specs
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