Best 18000 BTU Window Air Conditioners of 2025

The LG 18,000 BTU Window Air Conditioner is an ENERGY STAR certified air conditioner with multiple fan speeds and auto restart feature. It is ideal for cooling medium rooms (25' X 40') up to 1,000 sq. ft. and features an easy to use electronic control with remote. Customers have praised its quiet operation and ability to bring the temperature down quickly.

The LG 18K Window AC is a powerful air conditioner designed to keep your space cool and comfortable. With the LG ThinQ App, you can easily control the AC from anywhere using your smartphone, Google Assistant, or Amazon Alexa. This means you can turn it on or off, adjust the temperature, or set a schedule without even being near the unit. The low noise performance of this AC ensures that you can enjoy a quiet environment while it cools your room. It operates at sound levels as low as 52dB, eliminating unnecessary noise. The LG 18K Window AC is also Energy Star certified, meaning it meets high energy efficiency standards and can help you save on electricity bills. With multiple fan speeds and the Auto Cool feature, you can customize your cooling experience based on your preferences. Whether you need a gentle breeze or a powerful cooling effect, this AC has got you covered. It is ideal for cooling large rooms up to 1000 sq. ft., making it suitable for spacious areas. Experience convenience and comfort with the LG 18K Window AC.

The Whirlpool 18,000 BTU AC is designed to efficiently cool spaces up to 1,000 square feet, making it ideal for larger rooms. With a built-in dehumidifier that removes 4.75 pints of moisture per hour, you can enjoy a more comfortable environment. The electronic control panel features a digital display, allowing you to easily select from three cooling speeds, eco mode, and sleep mode, catering to your specific needs. Additionally, the programmable 24-hour timer enables you to set the air conditioner to turn on or off at your convenience, enhancing your comfort and energy efficiency.

The Frigidaire Window Air Conditioner offers the convenience of Wi-Fi connectivity through the Frigidaire app, allowing you to control your cooling from anywhere using your smartphone. You can easily turn the unit on or off, adjust the temperature, and switch between different modes to ensure maximum comfort. Additionally, you can create personalized schedules to fit your lifestyle and change fan speeds to suit your preferences. This flexibility makes it easy to maintain a comfortable environment, no matter where you are in your home.

The Keystone Window AC is designed to keep your large spaces comfortable all year round. With a cooling capacity of 18,000 BTU and supplemental heating of 16,000 BTU, it effectively manages temperatures in rooms up to 1,000 square feet. You can enjoy versatile features like cooling, heating, dehumidification, and fan circulation, ensuring a cozy environment no matter the season. The smart remote technology measures the room temperature and adjusts the unit accordingly, while energy-saving modes help reduce your electric bills, making it both efficient and economical for everyday use.

The Friedrich CEW18B33A Chill Premier Smart Air Conditioner Window Unit features smart WiFi control, powerful cooling and heating, easy installation, clean air and sustainable design, and one fan with three functions. The unit can be controlled via the Friedrich Go App or voice commands with Amazon Alexa or Google Home. The air conditioner is constructed with heavy-duty insulation and stiffened sheet metal casing for optimal sound absorption, making it 25% quieter than other units on the market. The model has a washable air filter and uses R-410A refrigerant for clean air. With three cooling, heating, and fan-only speeds, eight-way airflow command, and unique sleep and Money Saver settings, this quiet unit brings the best of comfort and control.

The Keystone Window AC is a powerful 18,000 BTU air conditioner designed to cool large rooms up to 1,000 square feet. With three cooling modes and three fan speeds, you can easily customize your comfort level. The four-way adjustable air louvers ensure that cool air reaches every corner of the room. Additionally, the built-in dehumidifier removes 3.8 pints of moisture per hour, creating a more comfortable environment. The smart remote control allows you to monitor and adjust the temperature from anywhere in the room, enhancing convenience and control over your indoor climate.