Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner, White
Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner, White
Hero image 0 of Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner, White, 0 of 21

Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner, White

|6 ratings

Key item features

  • 10,000 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 450 sq. ft. with dehumidification up to 2.3 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
  • U.L. safety listing

Specs

Air conditioner type, Through-the-Wall Air ConditionersBtu, 10000Coverage area, 450 sq ftCooling rate, 10000 BTUBrand, KeystoneMount type, Wall Mount

About this item

Product details

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. KSTAT10-2E
  • 10,000 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 450 sq. ft. with dehumidification up to 2.3 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
  • U.L. safety listing
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Air conditioner type

Through-the-Wall Air Conditioners

Btu

10000

Coverage area

450 sq ft

Cooling rate

10000 BTU

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

3.7 out of 5 stars
stars
6 ratings4 reviews
Includes global ratings and reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 4 reviews

Dec 21, 2025
Reviewer name: nicholas
Item details
BTU: 14000
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value and quality

quiet, easy to use, controls heat and cold automatically.

Incentivized Review
Helpful?7I8BU2TFLZQ816127000485
Jan 8, 2026
Reviewer name: annie
Top Reviewer
Item details
BTU: 14000
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

good unit easy installtion, good vaule

Incentivized Review
Helpful?7I8BU2TFLZQ816127000485
Jul 5, 2026
Reviewer name: anonymous
Item details
BTU: 14000
Sold and shipped byFour Seasons Trading Company
1 out of 5 stars
1 out of 5 stars review

Verified Purchase

It doesn't work.It does not blow out cold air

Incentivized Review
Helpful?7I8BU2TFLZQ816127000485
Current price is $549.99
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

How do you want your item?
Ships to
Arrives by Thu, Nov 19
|
Sold and shipped by Four Seasons Trading Company
4.226086956521739 out of 5 stars
4.2 stars out of 5, based on 230 seller reviews(4.2)
Extended holiday returns
Free Holiday returns until Jan 31