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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 LED display and a temperature sensing LCD remote control allowing you to conve

Keystone® 12,000 BTU White Through The Wall Air Conditioner

2016 Energy Star: 10.6 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)

6.5 ft. power cord with NEMA 6-15P grounding plug makes extension cords unnecessary

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

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 LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from across the room.

The Keystone 8,000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 350 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung win

Keystone® 8,000 BTU White Window Mount Air Conditioner

Installs in Horizontal Slider or Casement windows (Does not work for standard double hung windows)

350 Sq. Ft. of cooling coverage keeps your bedroom or office cool

3 fan speeds give you control on the amount of cooling in your home

4-way air direction control allows you to direct the air where you want it

Easy to use touch button control panel makes selecting your desired setting a breeze

Energy Saver mode conserves energy and lowers your environmental impact without impacting your comfort

Sleep mode let's you have a cooling sleep without keeping you awake

Slide-In/Slide-Out washable mesh filter removes dust and airborne particles from the air

Check filter indicator lets you know when it's time to wash your filter

Minimum window height: 21.3"; Minimum to Maximum window width: 15.5" - 16.3"

The Keystone 8,000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 350 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung windows.

The Keystone 12,000 BTU 115V 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 LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from across the room.

The Keystone 12,000 BTU 115V 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 LED display and a temperature sensing LCD remote control allowing you to conve

2016 Energy Star: 10.5 Energy Efficiency Ratio (EER)

7-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical outlet

The Keystone 10,000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 450 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung windows.

The Keystone 10,000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 450 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung wi

Keystone® 10,000 BTU White Window Mount Air Conditioner

450 Sq. Ft. of cooling coverage keeps your bedroom or office cool

The Keystone 10,000 BTU 230V through-the-wall air conditioner with 10,600 BTU Supplemental Heat Capability is perfect for rooms up to 450 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with

Keystone® 10,000 BTU White Through The Wall Air Conditioner

10,000 BTU cooling capacity / 10,600 BTU supplemental heating capacity

Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F

3 cooling speeds, 3 fan speeds, and 1 heat speed

Auto function determines the fan speed depending on the set temperature

The Keystone 10,000 BTU 230V through-the-wall air conditioner with 10,600 BTU Supplemental Heat Capability is perfect for rooms up to 450 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with an additional heat source to your main heat source.

Amps (Cooling/Heating)

Watts (Cooling/Heating)

The Keystone Energy Star 8,000 BTU window air conditioner with Follow Me remote control is an economical choice for cooling a room up to 350 square feet. This energy-saving air conditioner features electronic controls with LED display and a temperature se

6.5-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical outlet

Cools a room up to 350 sq. ft. with dehumidification up to 2.1 pints per hour

Energy Star efficiency saves you money on your electric bill (12.0 EER)

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

Easy-clean, tilt-out mesh filter with Check Filter alert on the unit

Contains energy efficient R32 refrigerant - cannot ship via air freight

Window width dimensions: 23" minimum / 36" maximum

The Keystone Energy Star 8,000 BTU window air conditioner with Follow Me remote control is an economical choice for cooling a room up to 350 square feet. This energy-saving air conditioner features electronic controls with LED display and a temperature sensing LCD remote control

The Keystone 10,000 BTU window air conditioner with Follow Me remote control is an excellent choice for cooling a room up to 450 square feet. This exceptional air conditioner features electronic controls with LED display and a temperature sensing LCD remo

6.4-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical outlet

Cools a room up to 450 sq. ft. with dehumidification of 2.3 pints per hour

Quiet operation for a good night's sleep (52 dBA on low)

The Keystone 10,000 BTU window air conditioner with Follow Me remote control is an excellent choice for cooling a room up to 450 square feet. This exceptional air conditioner features electronic controls with LED display and a temperature sensing LCD remote control.

The Keystone 10,000 BTU 230V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 450 square feet. It has 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.

The Keystone 10,000 BTU 230V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 450 square feet. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conve

10,000 BTU air conditioner for through-the-wall installation (Not suitable for window installation)

Cools a room up to 450 sq. ft. with dehumidification up to 2.3 pints per hour

Keystone's budget-friendly 18,000/17,700 BTU 230V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one installation marvel includes an adjustable window kit f

Keystone® 18,000 BTU White Window Mount Air Conditioner

Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).

Energy Star: 11.8 Energy Efficiency Ratio (EER)

18,000/17,700 BTU air conditioner with removable chassis for window and wall installation

Cools a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour

Indoor Noise Level dBA (Hi/Med/Lo): 60 / 57 / 54

Energy Saver function conserves energy and saves you money

Sleep function gradually increases room temperature after being activated

6.5 ft. power cord with NEMA 5-15P grounding plug makes extension cords unnecessary

Adjustable, pleated window mounting kit included for window installation

Window width dimensions: 28" minimum / 40.5" maximum

Keystone's budget-friendly 18,000/17,700 BTU 230V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one installation marvel includes an adjustable window kit for convenient window installation.

Perfect for rooms up to 450 square feet, the Keystone portable air conditioner maximizes comfort by providing cool air and removing humidity. Ideal for a variety of spaces: As a reliable solution for reducing dampness and humidity, the unit is an excellent choice for bedrooms, bathrooms, attics, dorm rooms, basements, and more.

Perfect for rooms up to 450 square feet, the Keystone portable air conditioner maximizes comfort by providing cool air and removing humidity. Ideal for a variety of spaces: As a reliable solution for reducing dampness and humidity, the unit is an excellen

Keystone® White Air Conditioner Wall Sleeve

26-inch wall sleeve to be used with through-the-wall air conditioners

Install wall sleeve in pre-cast concrete or masonary walls up to 17.75 inches thick.

Wall sleeve to be securely fastened to wall opening before installing air conditioner

Helps bear the weight of the air conditioner

Protects the air conditioner from dust, bugs and other debris that could get sucked into it

All metal construction withstands inclement weather, corrosion and other elements

Compatible with: KSTAT08-1C, KSTAT10-1C, KSTAT10-2C, KSTAT12-1C and KSTAT12-2C

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 10,000 BTU air conditioner can effectively cool rooms up to 450 square feet with dehumidi

Keystone® 10,000 BTU's White Through The Wall Air Conditioner

Perfect for small to medium 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 where you are in the room and adjusts as needed automatically. 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. This unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 10,000 BTU air conditioner can effectively cool rooms up to 450 square feet with dehumidification up to 2.3 pints per hour to remove moisture from the air. 

Included Accessories

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 12,000 BTU air conditioner can effectively cool rooms up to 550 square feet with dehumidi

Keystone® 12,000 BTU's White Through The Wall Air Conditioner

Perfect for medium sized living spaces like apartments, living rooms, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of where you are in the room and adjusts as needed automatically. 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. This unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 12,000 BTU air conditioner can effectively cool rooms up to 550 square feet with dehumidification up to 2.5 pints per hour to remove moisture from the air. 

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 10,000 BTU / 10,600 BTU supplemental heating capacity air conditioning unit can effective

Perfect for smaller-sized living spaces like apartments, dorm rooms, sheds, and much more. Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees. This mode is supplemental and NOT meant as a primary heat source. 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.

Through-the-wall installation (Not suitable for window installation)

Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 23°F

Heating mode is supplemental and NOT meant as primary heat source

Dehumidification up to 2.3 pints per hour

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 10,000 BTU / 10,600 BTU supplemental heating capacity air conditioning unit can effectively cool rooms up to 450 square feet with dehumidification up to 2.3 pints per hour to remove moisture from the air. 

Air Conditioners

Keystone® 10,000 BTU's White Through The Wall Air Conditioner

Keystone® 10,000 BTU White Through The Wall Air Conditioner

Keystone® 10,000 BTU White Window Mount Air Conditioner

Keystone® 10,000 BTU White Window Mount Air Conditioner

Keystone® 12,000 BTU's White Through The Wall Air Conditioner

Keystone® 12,000 BTU White Through The Wall Air Conditioner

Keystone® 12,000 BTU White Through The Wall Air Conditioner

Keystone® 8,000 BTU White Window Mount Air Conditioner

Keystone® 8,000 BTU White Window Mount Air Conditioner

Keystone® 10,000 BTU's White Through The Wall Air Conditioner

Keystone® 10,000 BTU White Through The Wall Air Conditioner

Keystone® 18,000 BTU White Window Mount Air Conditioner

Keystone® White Air Conditioner Wall Sleeve

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