LG LW1821ERSM 18,000 BTU Smart Wi-Fi Enabled Window Air Conditioner

Cool large rooms effortlessly - With 18,000 BTU of cooling power, this unit is perfect for spaces up to 1,000 sq ft.

Smart control at your fingertips - Use the LG ThinQ app to adjust temperature, change modes, and monitor energy use from your smartphone-or control it with Alexa and Google Assistant

3-in-1 Operation

Use cool mode for powerful cooling and dehumidifying on hot days. In fan mode, the fan circulates the air in the room. Dry mode is ideal for damp, rainy days.

Made to Perfection

LG Window Air Conditioners add powerful performance and stable durability to perfectly match your window frame.

Even cooling throughout your space - 4-way air direction ensures cool air reaches every corner, eliminating hot spots.

Easy Access to The Included Filter

This air conditioner features a slide-out, washable filter that's easy to access and remove without tools.

Maximum Cooling

LG Window Air Conditioners provide exceptional cooling power that will keep you and your family cool, comfortable, and in control.

Maximum Usability

Operate with LED display and simple selection control panel, up/down temperature adjustments, and fan speed selection, using the full-featured remote without leaving your bed, workspace, or couch.

Set it and forget it - Features like Auto Restart, a 24-hour timer, and Sleep mode keep your space comfortable with minimal effort.

Save energy without sacrificing comfort - Energy Saver mode helps lower electricity costs while maintain a comfortable temperature.

Quiet operation for uninterrupted comfort - Enjoy powerful cooling without disruptive noise, making it ideal for bedrooms, home offices, and living areas.

Quiet Operation

LG Window Air Conditioners operate at sound levels as low as 61dB (when in low mode) eliminating unnecessary noise for smooth operation that you'll barely notice.

Easy installation, effortless control - Installs quickly in most windows and includes a remote control for convenient adjustments from anywhere in the room.

Control Your Cool From Anywhere

Control key air conditioner features from your phone or favorite smart speaker with the ThinQ app.

Installation Made Easy

This unit comes with our simple and convenient installation kit, so you can set up your air conditioner with ease.

Control with Included Remote

Easily control your cool with the included remote.