Keystone - 12,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control - KSTAT12-2C
The Keystone 12,000 BTU 230V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 550 square feet. It has electronic controls with an LED display and a temperature-sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from across the room. Money-saving features include energy saver mode, sleep mode and a programmable 24-hour timer. This unit is designed for through-the-wall installation and is not designed for standard window installation (WALL SLEEVE SOLD SEPARATELY). This unit also requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.
Features
- 2016 Energy Star: 10.5 Energy Efficiency Ratio (EER)
- 12,000 BTU air conditioner for through-the-wall installation (Not suitable for window installation)
- Standard, universal interior trim kit for existing wall sleeve included (New wall sleeve sold separately: KSTSLV1)
- Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet)
- Cools a room up to 550 sq. ft. with dehumidification up to 2.5 pints per hour
- Electronic controls with LED display allows you to easily select options with the touch of a button
- Temperature sensing LCD remote control allows you control the temperature from across the room
- Auto-restart saves your settings for when power is restored to the unit
- Adjustable 4-way air flow direction allows you to easily control the direction of the cool air
- 3 cooling speeds, 3 fan speeds, plus Auto Cool for cooling flexibility
- Programmable 24-hour on/off timer cools on your schedule
- Energy-saver mode conserves energy and saves you money
- Sleep mode gradually increases room temperature after being activated
- Easy-clean mesh filter with Check Filter alert on the unit
- 6.5 ft. power cord with NEMA 6-15P grounding plug makes extension cords unnecessary
What our Experts Think
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Perfect for Medium-Sized Spaces: 12,000 BTU cooling ideal for rooms ~450–550 sq ft — living rooms, bedrooms, dens.
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ENERGY SMART Efficiency: 230V power with solid EER helps lower electricity costs and improves ranking with energy-focused buyers.
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Through-the-Wall Stability: Permanent installation reduces vibration and noise while maximizing floor and window space.
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“Follow Me” Remote Comfort: Advanced LCD remote sensor ensures temperature accuracy where you are, not just near the unit.
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User-Friendly Controls: Easy-to-read display, multiple fan speeds and cooling modes for tailored comfort.
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Low Maintenance: Washable, reusable filter keeps air clean and service simple.
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Reliable Build & Value: Durable design offers consistent cooling performance and long-term value.
Q&A
Q: What cooling capacity does this air conditioner offer?
A: It delivers 12,000 BTU of cooling power for effective temperature control in medium to large rooms.
Q: What room size is this unit best for?
A: Ideal for spaces roughly 550–700 sq. ft. such as living rooms, bedrooms, offices, or dens.
Q: What voltage does it require?
A: Runs on 230V for stable, efficient performance.
Q: What is “Follow Me” LCD remote control?
A: The included Follow Me remote uses a built-in thermostat to sense temperature at the remote’s location for more accurate, personalized comfort.
Q: How energy-efficient is this model?
A: Designed for energy-saving operation with multi-speed cooling and fan modes that help reduce utility costs.
Q: Is installation hardware included?
A: Yes — comes with a template and hardware for secure through-the-wall mounting (wall sleeve not included).
Q: Does it operate quietly?
A: Yes — engineered for low-noise performance, suitable for bedrooms and living areas.
Maintenance Tips
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Clean or rinse the washable air filter every 2–4 weeks to maintain peak cooling and efficiency
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Wipe exterior grille and vents regularly to prevent dust buildup and airflow restriction
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Inspect and clear the condensate drain and wall sleeve seals to avoid moisture issues
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Use Follow Me and energy saver modes wisely to reduce runtime and wear
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Keep the surrounding airflow area free of obstructions for optimal performance
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Arrange an annual HVAC checkup for coil cleaning and electrical inspection
