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Heavy-duty Keystone 12,000/11,600 Capability 12,000 230v Window Wall Air Conditioner | 11,000 Btu Supplemental Heating | Sleep Mode | 24h Timer | Auto-restart | Ac For Rooms Up To 550 Sq. Ft | Ksthw12a, White 95% Off - Today Only [5Q3XSsVt]

$51.99 $166.99 -69%

BrandKEYSTONECapacity2.5 PintsCooling Power11000 British Thermal UnitsSpecial FeatureHeatingEnergy StarNoSeasonal Energy Efficiency Ratio (SEER)10.9ColorWhiteVoltage230 VoltsProduct Dimensions23"D x 22.6"W x 16.1"HNoise Level54.7 dBSee moreAbout this

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Heavy-duty Keystone 12,000/11,600 Capability 12,000 230v Window Wall Air Conditioner | 11,000 Btu Supplemental Heating | Sleep Mode | 24h Timer | Auto-restart | Ac For Rooms Up To 550 Sq. Ft | Ksthw12a, White 95% Off - Today Only [5Q3XSsVt]


About this item

  • HEAT/COOL AIR CONDITIONER: 12,000 BTU cooling capacity / 11,000 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.
  • POWERFUL HEATING OPTION: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.
  • FUNCTIONALITY: Designed for a room up to 550 sq. ft. with dehumidification up to 2.5 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air!
  • EASY TO INSALL: with removable chassis for easy window and wall installation.
  • Special 230-volt/25-amp electrical outlet required (Unit will not work with a standard 115V outlet)

What Our Customers Say

February 5, 2026

Absolutely no complaints!

A first-class item that feels very durable.

- George R..

February 5, 2026

Absolutely no complaints!

A fantastic example of great design.

- Jackson F..

February 5, 2026

Absolutely no complaints!

Very happy with this truly nice item.

- Beverly H..

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