Keystone - 12,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control - KSTAT12-2C

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

• Perfect for Medium-Sized Spaces: 12,000 BTU cooling ideal for rooms ~450–550 sq ft — living rooms, bedrooms, dens.

• ENERGY SMART Efficiency: 230V power with solid EER helps lower electricity costs and improves ranking with energy-focused buyers.

• Through-the-Wall Stability: Permanent installation reduces vibration and noise while maximizing floor and window space.

• “Follow Me” Remote Comfort: Advanced LCD remote sensor ensures temperature accuracy where you are, not just near the unit.

• User-Friendly Controls: Easy-to-read display, multiple fan speeds and cooling modes for tailored comfort.

• Low Maintenance: Washable, reusable filter keeps air clean and service simple.

• 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

• Clean or rinse the washable air filter every 2–4 weeks to maintain peak cooling and efficiency

• Wipe exterior grille and vents regularly to prevent dust buildup and airflow restriction

• Inspect and clear the condensate drain and wall sleeve seals to avoid moisture issues

• Use Follow Me and energy saver modes wisely to reduce runtime and wear

• Keep the surrounding airflow area free of obstructions for optimal performance

• Arrange an annual HVAC checkup for coil cleaning and electrical inspection