Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat, White
Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat, White
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Keystone New 10,000 BTU 450 Sq Ft Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat, White

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Key item features

  • Installation Type: Designed for through-the-wall installation, including a standard, universal interior trim kit for existing wall sleeves.
  • Cooling/Heating Capacity: Offers 10,000 BTU cooling capacity and 10,600 BTU supplemental heating, suitable for rooms up to 450 sq. ft.
  • Supplemental Heat: The heating mode is supplemental, intended for use when outdoor temperatures range from 23 to 76 degrees Fahrenheit, and is not a primary heat source.
  • Moisture Removal: Features dehumidification capabilities, removing up to 2.3 pints of moisture per hour to improve air quality.
  • Smart Controls: Equipped with electronic controls, an LED display, and a temperature-sensing LCD remote control for precise temperature management.
  • Energy Efficiency: Includes an energy-saver mode, sleep mode, and a programmable 24-hour timer to help reduce electricity costs.
  • Power Requirements: Requires a 230-volt/20-amp electrical outlet and is incompatible with standard 115V household outlets.
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Specs

Air conditioner type, Through-the-Wall Dual Heater/ Air ConditionersCoverage area, 450 sq ftCooling rate, 10000 BTUBrand, KeystoneMount type, Wall MountFeatures, Energy Efficient

About this item

Product details

Keystone's reliable through-the-wall air conditioning units offer consistent cooling and enhanced comfort, even during the hottest days. With easy through-the-wall installation, this 10,000 BTU air conditioner provides efficient cooling for rooms up to 450 square feet, while the dehumidification feature removes up to 2.3 pints of moisture per hour, improving air quality. Designed for smaller living spaces such as apartments, dorm rooms, and sheds, this unit also offers supplemental heating capacity of 10,600 BTU. The supplemental heating mode is intended for use when outdoor temperatures range from 23 to 76 degrees Fahrenheit and is not meant to serve as a primary heat source. Equipped with a unique remote control, this unit features a built-in thermostat that accurately senses the room temperature, displaying it on the remote's LCD screen, and communicates with the AC unit every 3 minutes to ensure precise cooling. Energy-saving options such as the energy saver mode, sleep mode, and programmable 24-hour timer help reduce electricity costs. The Check Filter alert reminds you to clean the easily removable mesh filter, ensuring optimum performance. Please note that this unit requires a special 230-volt/20-amp electrical outlet and is incompatible with a standard 115V household electrical outlet. KSTAT10-2HD
  • Through-the-wall installation; standard, universal interior trim kit for existing wall sleeve included
  • 230-volt/20-amp electrical outlet required
  • 10,000 BTU cooling capacity / 10,600 BTU supplemental heating capacity
  • Heating mode is supplemental and NOT meant as primary heat source
  • Designed for a room up to 450 sq. ft.
  • Dehumidification up to 2.3 pints per hour
  • Electronic controls with LED display to easily select options with the touch of a button
  • Temperature sensing LCD remote control allows you to control the temperature from across the room
  • Energy-saver mode conserves energy and saves you money
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Specifications

Air conditioner type

Through-the-Wall Dual Heater/ Air Conditioners

Coverage area

450 sq ft

Cooling rate

10000 BTU

Brand

Keystone

Warranty

Warranty information

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Showing 1-3 of 6 reviews

Jun 23, 2026
Reviewer name: krutika
Item details
BTU: 10000
Sold and shipped byFour Seasons Trading Company
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to install

Great product … easy install

Incentivized Review
Helpful?7J7KASQD2B4F2992719771
Feb 3, 2025
Reviewer name: Shirley
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I should had called you all first for the good service i get from you all and price.

Helpful?7J7KASQD2B4F2992719771
Sep 21, 2026
Reviewer name: ray
Item details
BTU: 8000
Sold and shipped byFour Seasons Trading Company
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

so far so good

Incentivized Review
Helpful?7J7KASQD2B4F2992719771
Current price is $569.99
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$569.99
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Sold and shipped by Four Seasons Trading Company
4.201793721973094 out of 5 stars
4.2 stars out of 5, based on 223 seller reviews(4.2)
Extended holiday returns
Free Holiday returns until Jan 31