Keystone 12,000 BTU Window-Mounted Air Conditioner with Follow Me LCD Remote Control - KSTAW12BE
At Keystone, your family’s comfort starts here. The Keystone 12,000 BTU window air conditioner with Follow Me remote control is an excellent choice for cooling a room up to 550 square feet. This exceptional air conditioner features electronic controls with LED display and a temperature sensing LCD remote control, allowing you to conveniently see, set, and maintain the room temperature from across the room. It also includes an energy saver mode, programmable 24-hour timer, and a sleep mode to save you money while keeping you cool and comfortable. With a Keystone window air conditioner, you and your family can relax in cool, blissful comfort.
Features
- 12,000 BTU air conditioner for window-mounted installation
- 6.4-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical 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 air flow direction allows you to easily control the direction of the cool air
- 3 cooling speeds and 3 fan speeds 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, tilt-out mesh filter with Check Filter alert on the unit
- Contains energy efficient R32 refrigerant - cannot ship via air freight
- Window installation kit included
- Minimum window height: 15.5 inches
- Window width dimensions: 23" minimum / 36" maximum
- Energy Efficiency Ratio (EER): 10.9
- U.L. safety listing
Specifications
| Model Number |
KSTAW12BE |
| Brand |
Keystone |
| Category |
Air Conditioners/Window A/C |
| Mfr ID |
KEYSTN |
| Color |
White |
| UPS Shippable |
Y |
| Shipping Weight |
76.6 |
| UPC Code |
192487238769 |
| Country of Origin |
CN-China |
| Product Dimensions English |
Indoor Noise Level dBA (Hi/Med/Lo): 61/57/54 |
Downloads & Manual
What our Experts Think
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Reliable 12,000 BTU Cooling: Efficiently cools rooms up to ~550 sq ft with dehumidification, matching high‑intent searches like 12,000 BTU window AC.
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“Follow Me” Smart Remote: LCD remote with temperature sensor adjusts comfort based on where you are in the room — a strong SEO match for remote control window AC.
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Energy‑Saving Features: Includes energy saver mode, sleep mode, and programmable 24‑hour timer to reduce utility costs — ideal for energy‑efficient AC queries.
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Flexible Comfort Controls: Three cooling speeds and three fan speeds with LED display support personalized comfort and customizable cooling intent.
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Easy Installation & Maintenance: Standard 115 V plug and included window kit simplify setup; easy‑clean mesh filter with check alert enhances usability — relevant for easy install window AC.
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Quiet, Everyday Operation: Balanced noise levels and user‑friendly controls make it ideal for bedrooms, living rooms, and apartments — appealing to quiet window air conditioner searches.
Q&A
Q: What size room can this Keystone AC cool?
A: The Keystone KSTAW12BE is designed to cool rooms up to ~550 sq ft, ideal for medium‑sized living rooms, bedrooms, or apartments.
Q: What power and installation does it require?
A: It runs on a standard 115 V outlet with an LCDI power cord and NEMA 5‑15P plug and installs in most standard windows with the included kit.
Q: What makes the Follow Me remote helpful?
A: The temperature‑sensing LCD remote measures the temperature where you are — then helps the AC maintain your desired comfort more precisely.
Q: What comfort features does it include?
A: Features include 3 cooling speeds, 3 fan speeds, energy‑saver mode, sleep mode, programmable 24‑hour timer, and adjustable airflow for tailored comfort.
Q: Does it save energy and cost?
A: Yes — it uses R32 refrigerant with ENERGY STAR‑level efficiency and includes energy‑saving modes to help reduce electricity use.
Q: How is maintenance handled?
A: An easy‑clean, tilt‑out mesh filter with a Check Filter alert makes cleaning quick and keeps airflow efficient.
Q: Does it dehumidify?
A: Yes — it removes up to ~2.5 pints of moisture per hour, improving indoor comfort on humid days.
Maintenance Tips
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Clean the washable air filter every 30 days to maintain airflow and cooling efficiency
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Vacuum or gently brush evaporator and condenser coils seasonally to prevent dust buildup
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Keep rear and side vents clear for optimal airflow
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Ensure proper window installation and sealing to minimize energy loss
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Use the “Follow Me” remote sensor correctly and check batteries regularly
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Unplug, clean, and cover the unit during off-season to extend lifespan
