LG LW1216ER Window Air Conditioner 12000 BTU
- 12,000 BTU cooling, rated for up to 550 sq ft
- 27 to 39 inch window width, 16 to 39 inch height
- 115 volt power, 990 watt draw
- SEER 13, no inverter
- 52 dB noise rating
- 3 cooling and fan speeds, 24-hour timer
- 81 lb unit, 22.2 x 23.6 x 15 inches
- 1 year parts and labor warranty
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A straightforward window unit for a medium room that plugs into a regular outlet and restarts on its own after an outage. It is not an inverter model, so the compressor cycles on and off instead of slowing down.
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ASIN: B01D3FOIR4Model: LW1216ERCategory: Window Air Conditioners
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Overview
Bedrooms, living rooms and apartments with a suitable window opening are what the LG LW1216ER is built for. The unit installs in the window with the included kit, draws room air through a washable filter and sends cooled air back out through louvers that swing in several directions.
LG pairs a simple remote, a timer and auto restart with a cooling rating sized for a medium room, and a filter alert says when cleaning is due. Its weakness is the compressor design: without an inverter it runs at full output and then shuts off, so temperature and sound rise and fall with each cycle.
Who it's for
Renters and homeowners cooling one medium room through a window get a remote controlled unit that runs on a regular outlet. Shoppers who want inverter operation or have a smaller window should look elsewhere.
Pros and cons
- Runs on a standard household outlet
- Auto restart after power outages
- Washable filter with cleaning reminder light
- Remote control plus timer scheduling
- No inverter, compressor cycles on and off
- Heavy unit to lift into a window
- Needs a fairly wide window opening
- Wi-Fi or app control not listed
Performance notes
Cooling depends on how well the gap around the unit is sealed, since leaks let warm outdoor air back in. Without an inverter the compressor runs at full output until the set temperature is reached and then stops, so the room swings slightly between cycles. A clean filter maintains airflow across the coil, which is why the reminder light matters.
Specifications
| Brand | LG |
|---|---|
| Model | LW1216ER |
| Dimensions & fit | |
| Window Opening Minimum Width | 27 inches |
| Window Opening Maximum Width | 39 inches |
| Window Opening Minimum Height | 16 inches |
| Window Opening Maximum Height | 39 inches |
| Item weight | 81 pounds |
| Item Dimensions D x W x H | 22.2 × 23.6 × 15 inches |
| Capacity & performance | |
| Cooling Power | 12000 BTU |
| Noise | 52 dB |
| Wattage | 990 watts |
| Power & efficiency | |
| Seasonal Energy Efficiency Ratio SEER | 13 |
| Number of Power Levels | 3 |
| Voltage | 115 volts |
| Included components | |
| Included Components | Window Installation Kit |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Inverter Type | No Inverter |
| Control Type | Push Button, Remote |
| Filter Type | Washable |
| Refrigerant | R-32 |
| Floor Area | 550 sq ft |
| Timer | 24 hours |
Frequently asked questions
Is the LG LW1216ER an inverter air conditioner?
No. The listing marks it as no inverter, so the compressor runs at one output and cycles off when the room reaches the set temperature.
Does the LG LW1216ER need a special outlet?
It is rated at 115 volts, draws 990 watts and is listed as corded electric, so it is meant for a standard household circuit.
Can the LG LW1216ER dehumidify a room?
Dehumidifier is listed among its features, and the description says it can also run to circulate air.
What happens to the LG LW1216ER after a power outage?
Auto restart resumes operation automatically once power returns.
How is the filter on the LG window AC maintained?
The filter is removable and washable, and a check filter light signals when it needs cleaning.