LG LW1821HRSM 18000 BTU Window Air Conditioner with WiFiStay Comfortable with LG Window Air Conditioner The LG LW1821HRSM 18,000 BTU Heat and Cool Window Air Conditioner with WiFi Controls is the smart way to maintain a comfortable home environment year round. LG ThinQ technology allows you to control the unit from anywhere via your smartphone or with voice commands using Amazon Alexa and Hey Google. Ideal for cooling or heating medium to large rooms up to 1000 sq. ft., this air conditioner offers multiple