Keystone 10,000 BTU Casement Window Air Conditioner

SKU: ke10421  |  Model: KSTSW10B
Sale price $499.99 Regular price $549.99

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Manufacturer's Warranty

1-Year Limited Warranty

What's In The Box?

  • Keystone 10,000 BTU Casement Window AC
  • Owner's Manual
  • Remote Control
  • Installation Kit

Info & Guides

If you’re struggling to find an air conditioner for rooms that lack traditional double-hung windows, the search is over thanks to the Keystone 10,000 BTU Casement Window AC. Built for use in rooms up to 450 square feet, this powerful window AC cools, dehumidifies, and more. Easy to maintain and operate, it features an intuitive touch control for an added user-friendly performance.

Customizable Comfort

Designed with multiple operating modes and features, the Keystone 10,000 BTU Window AC makes it easy to find the perfect indoor temperature.

  • Powerful Cooling: Its 10,000 BTUs of cooling power is perfect for keeping bedrooms, dens, and more comfortable all summer long.
  • Moisture Removal: Dry mode dehumidifies your space by removing 2.3 pints of excess moisture every hour.
  • Air Circulation: Turn to fan mode to have a circulation of fresh air throughout your room without cooling.
  • Automatic Operation: Simply select your desired temperature from 62-86 degrees Fahrenheit and let the air conditioner automatically choose the best operating mode to reach it.

Low-Cost Cooling

Thanks to its energy-friendly features, this air conditioner ensures creating the perfect indoor environment doesn’t have to break the bank. It’s capable of being operated for as little as $94 a year.

Installs in Casement Windows

An easy-to-use installation is included with Keystone KSTSW10B, making it simple to install in your home’s casement windows. It’s designed to fit windows with the following dimensions:

  • Minimum Window Height: 21.3 inches
  • Minimum Window Width: 15.5 inches
  • Maximum Window Width: 16.3 inches

Additional Features

  • Lower Energy Usage: Its Energy Saver Mode runs the AC at peak efficiency to reduce energy usage without sacrificing comfort.
  • Sleep Mode: For undisturbed sleep, this setting gradually increases the temperature and runs the unit at a lower fan speed.
  • Included Remote Control: Makes it easy to make adjustments to your setting from anywhere in the room.
  • Direct the Airflow: With 4-way air flow direction, you'll control where in your room the air goes.
  • Washable Mesh Filter: This slide-in/slide-out filter removes allergens and impurities from your indoor air.
  • Onboard Notifications: When it’s time to clean the filter, an onboard indicator will let you know.

Summary

With a powerful yet efficient 10,000 BTUs of cooling power, this Keystone air conditioner is perfect for rooms with casement windows.

What Customers Love

  • Built for Casement Windows: This air conditioner is specifically designed for casement windows, making it perfect for rooms without traditional double-hung windows.
  • More Than Cooling: Not only does it cool, but it dehumidifies, circulates fresh air, and more.

Customer Reviews