Skip to content
BIG FRIGGIN DEALS: One Big Deal. One Day Only. Shop Todays Offer >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 03/01/27.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

Keystone 12,000 BTU Window-Mounted Inverter Air Conditioner with Remote, 115V, Covers up to 550 sq. ft., Model# KSTAW121WA

Item# 6828722
19 of 19 reviewers received a sample product or took part in a promotion
Keystone 12,000 BTU Window-Mounted Inverter Air Conditioner with Remote, 115V, Covers up to 550 sq. ft., Model# KSTAW121WA

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Keystone 12,000 BTU Window-Mounted Inverter Air Conditioner with Remote, 115V, Covers up to 550 sq. ft., Model# KSTAW121WA

Click or Tap image to Zoom

$449.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • 12,000 BTU window air conditioner
  • Features inverter technology for energy efficiency
  • Designed for rooms up to 550-sq. ft.
  • Dehumidifies up to 1.85 pints per hour
  • 20% more energy efficient than average window units

  • Prop 65 Warning: See Details

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 12,000 BTU window-mounted air conditioner can effectively cool rooms up to 550 square feet with dehumidification up to 1.85 pints per hour to remove moisture from the air. Perfect for medium-sized living spaces like apartments, bedrooms, living rooms, and much more. It features special Inverter technology to eliminate wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature. A remote is included so you can control your cooling from across the room. 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.

What's Included

    (1) Air Conditioner (1) Remote Control (1) Window Installation Kit (2) AAA Alkaline Batteries (1) Manual (1) Installation Guide

Downloads

Product Manual Product Manual2
Safety Data Sheet
Play Item Video

Features + Benefits

  • 12,000 BTU window air conditioner
  • Features inverter technology for energy efficiency
  • Designed for rooms up to 550-sq. ft.
  • Dehumidifies up to 1.85 pints per hour
  • 20% more energy efficient than average window units
  • Quieter than regular window units
  • FlashCool function for fast cooling
  • 6.5-ft. power cord with LCDI plug using standard 115V electrical outlet
  • Window dimensions: 23" minimum width, 36” maximum width, 19.5” height

Key Specs

AttributeSpecification

item#

6828722

Brand

Keystone

Manufacturer's Warranty

1 year limited warranty

Ship Weight

59.08 LB

BTU Cooling

12,000

Volts

115

Cooling Capacity

550 ft²

Amps

10.3
AttributeSpecification

Product Type

Air Conditioner

Mini Split

No

Speeds (qty.)

3

CFM

320

Temperature Range

63 - 90 °F

Timer

Yes

Product Weight

50.9300 lb

Dimensions L x W x H (in.)

18.98 x 21.69 x 14.65 in

Reviews

Questions & Answers

19 Reviews This action will navigate to reviews.

Questions

Warranty

Manufacturer's Warranty

1 year limited warranty

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

Keystone 12,000 BTU Window-Mounted Inverter Air Conditioner with Remote, 115V, Covers up to 550 sq. ft., Model# KSTAW121WA
4.9 out of 5 stars. 19 reviews
19 of 19 reviewers received a sample product or took part in a promotion

Keystone 12,000 BTU Window-Mounted Inverter Air Conditioner with Remote, 115V, Covers up to 550 sq. ft., Model# KSTAW121WA

Item # 6828722

$449.99