Product details

Explore the detailed specifications and features.

The LG S4-Q18KL28E is a wall mounted split air conditioner rated at 18,000 BTU, with 5,275W of cooling at its rated setting and up to 5,835W at maximum. It runs on a DUAL Inverter compressor, which varies its speed instead of switching fully on and off, and draws 1,640W at the rated cooling load, dropping to 300W at minimum.

Cools a large room. 18,000 BTU with 5,275W rated cooling capacity and a maximum of 5,835W, with Power Cooling for a faster pull down.
Change the temperature from your phone. Wi-Fi is built in and works with LG ThinQ, so you can set the unit before you get home.
Quiet enough to sleep through. Sound power measures 45, 40 and 37 dB(A) across the cooling speeds, with 5 fan steps plus a Natural setting.
Cleaner air coming out of the vents. An allergy filter and a pre filter are both fitted, and Auto Cleaning dries the inside of the unit after use.
Air goes where you want it. Comfort Air and 6 step up and down airflow control let you keep the draught off people sitting nearby.
Comes back on by itself after an outage. Auto Restart returns to your last setting, and Smart Diagnosis helps a technician find faults quickly.
Takes the damp out of the air. A dedicated dehumidification mode runs without over cooling the room.

Angled view of the indoor unit with the louvre open, showing the hidden display lit with 20 and mode icons — The louvre opens across the full width and the temperature shows through the panel, so you can check the setting from across the room.

The indoor unit measures 998 x 345 x 210 mm and weighs 11 kg. The matching outdoor unit, model S4UQ18KL28E.ACWGEAF, measures 770 x 545 x 288 mm and weighs 29 kg. The system uses R410A refrigerant and runs on 230V, 50Hz. A remote controller is included, along with a 24 hour on/off timer.