Keystone - 350 Sq. Ft. 8,000 BTU Through-the-Wall Air Conditioner with 4,200 BTU Supplemental Heat Function - White
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About this product
With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 8,000 BTU / 4,200 BTU supplemental heating capacity air conditioning unit can effectively cool rooms up to 350 square feet with dehumidification up to 2.1 pints per hour to remove moisture from the air. Perfect for smaller-sized living spaces like apartments, dorm rooms, sheds, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of the room, displays it on the remote's LCD screen, and sends a signal to your AC unit every 3 minutes for accurate cooling. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price.
Through-the-Wall Installation
Enjoy easy setup with this unit (Not for window installation)
Standard Interior Trim Kit Included
Universally designed for existing wall sleeves (New wall sleeve option: KSTSLV1 available separately)
Powerful Cooling and Heating
8,000 BTU cooling capacity and 4,200 BTU supplemental heating capacity for year-round comfort
Efficient Room Coverage
Designed for spaces up to 350 sq. ft. with dehumidification up to 2.1 pints per hour
Convenient Controls and Remote
Electronic controls with LED display and LCD remote for easy temperature adjustments from anywhere in the room. Auto-restart feature saves settings for uninterrupted comfort.
- Recommended Room Size350 square feetBTU Cooling Rating8000 british thermal unitsNumber of Cool Settings3Number of Fan Speeds3Airflow Rate288 cubic feet per minuteRemote ControlYes
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With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 8,000 BTU / 4,200 BTU supplemental heating capacity air conditioning unit can effectively cool rooms up to 350 square feet with dehumidification up to 2.1 pints per hour to remove moisture from the air. Perfect for smaller-sized living spaces like apartments, dorm rooms, sheds, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of the room, displays it on the remote's LCD screen, and sends a signal to your AC unit every 3 minutes for accurate cooling. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price.

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Stay cool and comfortable with Keystone's reliable air conditioning units that provide consistent cooling, even on scorching hot days. This 10,000 BTU through-the-wall air conditioner is designed for easy through-the-wall installation and effectively cools rooms up to 450 square feet, all while removing up to 2.3 pints of moisture per hour for enhanced comfort and air quality. Ideal for small to medium-sized living spaces like apartments, dorm rooms, sheds, and more. One standout feature of this unit is the unique remote control with a built-in thermostat. It intelligently senses the temperature of your location in the room and adjusts accordingly, delivering personalized comfort wherever you are. Take advantage of the energy-saving features such as the energy saver mode, sleep mode, and programmable 24-hour timer to optimize efficiency and reduce utility costs. The convenient Check Filter alert lets you know when it's time to clean the mesh filter, ensuring optimal performance and prolonging the lifespan of the unit. Not only does Keystone offer a 1-year warranty, but they also prioritize affordability, ensuring that staying cool and comfortable doesn't have to break the bank. Experience the perfect blend of reliability, performance, and cost-consciousness with Keystone's air conditioning units.

Keystone's reliable through-the-wall air conditioning units guarantee a consistently comfortable indoor environment, even during scorching summer days. The easily installed through-the-wall 10,000 BTU air conditioner efficiently cools rooms up to 450 square feet, while its dehumidification capability removes up to 2.3 pints of moisture per hour, effectively reducing humidity levels for improved air quality. Ideal for small to medium-sized living spaces like apartments, dorm rooms, and sheds, this unit offers exceptional convenience. Its unique remote control boasts a built-in thermostat that intelligently detects your position in the room, automatically adjusting the temperature to suit your needs. To optimize energy usage, the air conditioner includes energy-saving features such as an energy saver mode, sleep mode, and programmable 24-hour timer. The Check Filter alert ensures optimal performance by notifying you when it's time to clean the easily removable mesh filter. Please note that this unit requires a special 230-volt/20-amp electrical outlet and cannot be operated using a standard 115V household electrical outlet. Keystone stands by the quality of their product, offering a 1-year warranty and ensuring your satisfaction at a cost-conscious price. Stay cool and comfortable with Keystone's reliable air conditioning units.


































































