Keystone - Core 115V 550 Sq. Ft. 12,000 BTU Smart Mini Split Air Conditioner 12,000 BTU Heater - White
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.
Up to 20 SEER2 Efficiency
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.
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 127°F, the system provides dependable heating and cooling through hot summers, cold weather, and transitional seasons.
Quiet for Sleep and Focus
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.
Control Comfort Your Way
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.
| Manufacturer | Keystone |
|---|---|
| Set Product as New from Date | Sep 3, 2026 |
| Set Product as New to Date | Nov 3, 2026 |
| Specification | Brand: Keystone Model Number: KYSTNTV12CB1 Product Name: Core 115V 550 Sq. Ft. 12,000 BTU Smart Mini Split Air Conditioner 12,000 BTU Heater Color: White Indoor Unit Dimensions: 7.48"L x 31.93"W x 12.05"H Outdoor Unit Dimensions: 12.01"L x 31.89"W x 21.61"H Cord Length: 0 inches Recommended Room Size: 550 square feet BTU Cooling Rating: 12000 british thermal units BTU Heat Rating: 12000 british thermal units Number of Cool Settings: 5 Number of Fan Speeds: 5 Airflow Rate: 342 cubic feet per minute Maximum Noise Level: 45 decibels adjusted Minimum Noise Level: 30 decibels adjusted Remote Control: Yes Control Type: Button Integrated Heater: Yes Filter Indicator Light(s): No Filter Type: Washable Sleep Mode: Yes Timer: Yes Auto Shut-Off: No Number of Indoor Units: 1 Number of Outdoor Units: 1 Energy Efficiency Ratio (EER2): 9.5 Voltage Requirement: 115 Seasonal Energy Efficiency Ratio (SEER2): 20 Amperage: 10 amperes ENERGY STAR Certified: No App Compatible: Yes Works With: Amazon Alexa Wireless Connectivity: Wi-Fi Number of Remotes Included: 1 Indoor Unit1 Placement: Wall mount Air Conditioner Type: Split Warranty - Parts: 7 years |
| Hard Drive | 8 GB |