Smart cooling made simple. The LG 18,000 BTU Smart Wi-Fi Window Air Conditioner (LW1821ERSM) cools rooms up to 1,000 sq. ft. and lets you control temperature from anywhere with the LG ThinQ app.
Why you'll love it
- LG ThinQ app control
- 3 cooling and 3 fan speeds with Auto Cool
- Easy-to-use electronic controls
- Auto-restart after power failure
Specifications
- Cooling capacity: 18,000 BTU
- Coverage: up to 1,000 sq. ft.
- Smart control: Wi-Fi enabled with the LG ThinQ app
- Model: LW1821ERSM
Installation & warranty
Designed for standard window installation. Backed by the LG manufacturer's warranty.
Frequently asked questions
What size room does the LG LW1821ERSM cool?
With 18,000 BTU of cooling it is sized for rooms up to about 1,000 square feet.
Can I control it with my phone or a voice assistant?
Yes. It is Wi-Fi enabled and works with the LG ThinQ app plus Amazon Alexa and Google Assistant, so you can change the temperature, mode and schedule from anywhere.
What cooling and fan settings does it have?
It offers multiple cooling and fan speeds plus an energy-saver mode, a 24-hour on/off timer and an included remote control.
How is it installed?
It is designed for a standard double-hung window and includes the mounting hardware you need - no permanent changes to your home are required.
How do I clean and maintain it?
Maintenance is easy: slide out the washable, reusable filter and rinse it every few weeks to keep airflow and cooling performance at their best.
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