Keep your home cool and comfortable during the hottest summer days with the Keystone 12,000 BTU window and wall-mounted air conditioner, the best energy-efficient and quiet window AC unit for your home. With three fan speeds, the coldest AC unit allows you to customize your cooling preferences, while the 24-hour programmable timer lets you set it and forget it. Enjoy easy controls from the comfort of your couch with the Window AC with remote control. The easy install air conditioner is perfect for window air conditioner units for home, and the modern AC unit with a sleek design adds an extra level of style to your space. Designed for large room air conditioners of up to 550 sq. ft., this energy efficient window AC removes up to 3.8 pints of moisture per hour with built-in dehumidification capabilities, ensuring that your space stays comfortable and healthy. Get perfect cooling performance from a quiet AC unit with the Keystone window air conditioner, the best option for those seeking a high-quality, reliable, and easy-to-use air conditioner.