Keystone - Core 12,000 BTU 20 SEER2 115V Single-Zone Ductless Mini Split Air Conditioner Heat Pump - White
Model: KYSTNTV12CB1
SKU: 6690278
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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.
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The inverter-driven system delivers 12,000 BTU cooling and 12,000 BTU heating, adjusting output as conditions change to support steady, efficient comfort in spaces up to 550 sq ft.
Ideal for homeowners, property managers, and office managers seeking focused heating and cooling for bedrooms, garages, sunrooms, home offices, and similar spaces.
Designed to operate in outdoor temperatures from 5°F to 127°F, the system provides dependable heating and cooling through hot summers, cold weather, and transitional seasons.
The indoor unit operates at sound levels as low as 28 dB, helping minimize disruption while sleeping, working, studying, joining calls, watching TV, or relaxing.
Use the app or compatible voice control to adjust temperatures, modes, schedules, and routines remotely. Choose Cool, Heat, Dry, Fan, Turbo, Sleep, or ECO mode to match daily comfort needs.Uses R32 refrigerant.