Keystone - Core 230V 1,500 Sq. Ft. 24,000 BTU Smart Mini Split Air Conditioner 24,000 BTU Heater 20 SEER2 - White
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About this product
The Keystone Core 24,000 BTU Mini Split AC and Heating System delivers quiet, energy-efficient comfort for bedrooms, offices, living rooms, and other spaces up to 1,500 sq. ft. This 230V 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. Keystone customer service helps coordinate professional installation to save time & effort, while durable construction and an up to 7-year warranty support reliable performance.
Recommended Room Size
1500 square'Features
Ultra High Efficiency for Real Energy Savings
This Core series delivers up to 20 SEER2 performance, using advanced inverter technology to continuously adjust output, reduce energy waste, and keep temperatures steady.
Powerful, Consistent Heating That Eliminates Cold Spots
Designed to maintain consistent operation in temperatures ranging from 5°F - 127°F, this mini split provides stable heating & cooling for bedrooms, offices, living rooms & spaces up to 1,500 sq. ft.
Whisper Quiet Indoor Operation
Indoor sound levels as low as 34 dB make this Core system quieter than a whisper, ideal for bedrooms, offices, living rooms, and any environment where peace and quiet matter. You feel the comfort, not the noise.
Complete Mini Split System for Larger Living Spaces
This 24,000 BTU system includes indoor and outdoor units for spaces up to 1,500 sq. ft.; professional installation is required for proper setup, optimized performance, and long-term reliability.
Smart Comfort Controls
Multiple comfort modes, including Cool, Heat, Dry, Fan, Turbo, Sleep, and ECO, give users full control of their environment. Inverter precision minimizes temperature swings for steady, reliable comfort.
Specifications
- Recommended Room Size1500 square feetBTU Cooling Rating24000 british thermal unitsNumber of Cool Settings5Number of Fan Speeds5Airflow Rate647 cubic feet per minuteRemote ControlYes
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The Keystone Core 24,000 BTU Mini Split AC and Heating System delivers quiet, energy-efficient comfort for bedrooms, offices, living rooms, and other spaces up to 1,500 sq. ft. This 230V 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. Keystone customer service helps coordinate professional installation to save time & effort, while durable construction and an up to 7-year warranty support reliable performance.

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