6 Best LG Window Air Conditioners of 2026
We compared six LG window air conditioners on cooling capacity, room size, noise, efficiency, smart features and installation.
By Daniel Brooks
Updated October 21, 2026
LG window air conditioners have some of the largest ratings bases in the category, and the line runs from compact mechanical units to Dual Inverter smart models for very large rooms. Most share Auto Restart, washable slide-out filters and an included installation kit. Our list of the best LG window air conditioners compares six current models on capacity, room size, noise, efficiency and controls. To browse every model we cover, visit our Conventional Window Air Conditioners page.
Every unit here except the largest runs on a standard 115V outlet. Pick the size first, then decide whether a Dual Inverter model’s lower noise and power use are worth the higher price.
All Products Compared
| Product | Best For | Capacity | Room Size | Efficiency | Notable Feature |
|---|---|---|---|---|---|
| LG LW1216ER 12,000 BTU Window Air Conditioner | Overall | 12,000 BTU | Up to 550 sq. ft. | 990W, R-32 | 2,274 ratings |
| LG LW5016 5,000 BTU Window Air Conditioner | Small rooms | 5,000 BTU | Up to 150 sq. ft. | 440W | 4.4 avg, 1,543 ratings |
| LG 10,000 BTU Dual Inverter Window Air Conditioner | Quiet and efficient | 10,000 BTU | Up to 450 sq. ft. | ENERGY STAR, Dual Inverter | 44 dB, Wi-Fi |
| LG 6,000 BTU Window Air Conditioner | Bedrooms | 6,000 BTU | Up to 250 sq. ft. | 520W, R-32 | 6,143 ratings |
| LG LW8024RD 8,000 BTU Window AC | Medium rooms | 8,000 BTU | Up to 350 sq. ft. | 660W, R-32 | 4.3 avg, 414 ratings |
| LG 23,500 BTU Dual Inverter Smart Window Air Conditioner | Very large rooms | 23,500 BTU | Up to 1,440 sq. ft. | Dual Inverter | 230V, 44 dB |
| Award | Product | WikiCooling Score About WikiCooling ScoreThe WikiCooling Score is our own rating from 0 to 10, based on the criteria described on our How We Review page. It reflects research, not laboratory measurement, and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | |
|---|---|---|---|
LG LW1216ER 12,000 BTU Window Air Conditioner
|
8.1/10 | Buy | |
| Best Overall |
LG LW5016 5,000 BTU Window Air Conditioner
|
8.4/10 | Buy |
| Best Premium |
LG 10,000 BTU Dual Inverter Window Air Conditioner
|
8.0/10 | Buy |
| Best Budget |
LG 6,000 BTU Window Air Conditioner
|
8.1/10 | Buy |
| Best Value |
LG LW8024RD 8,000 BTU Window AC
|
8.3/10 | Buy |
LG 23,500 BTU Dual Inverter Smart Window Air
|
7.5/10 | Buy |
LG LW1216ER 12,000 BTU Window Air Conditioner
The LG LW1216ER window air conditioner delivers 12,000 BTUs of cooling for rooms up to 550 square feet. Its low noise operation at 52 dB makes it suitable for bedrooms, and features like 4-way air deflection and a 24-hour timer add convenience. This unit is a solid choice for those seeking a reliable, mid-range window AC with essential controls.
Pros
- Quiet operation at 52 dB
- 4-way air deflection
- Auto restart after power outage
- Washable filter with alert
- Remote control included
Cons
- Heavy at 81 pounds
- No inverter compressor
- Requires window opening width 27-39 inches
LG LW5016 5,000 BTU Window Air Conditioner
Offering reliable cooling for rooms up to 150 square feet, the LG LW5016 window air conditioner combines quiet operation with simple mechanical controls. It features two cooling and fan speeds for customized comfort, two-way air deflection to direct airflow where needed, and a washable filter that helps maintain air quality. Ideal for small bedrooms or personal spaces, this unit also includes an auto restart function for convenience after power outages.
Pros
- Compact design fits small windows
- Quiet operation at 52 dB
- Easy installation with included kit
- Washable filter for low maintenance
- Auto restart after power loss
Cons
- No remote control included
- Limited to two fan speeds
- May require drilling for proper drainage
LG 10,000 BTU Dual Inverter Window Air Conditioner
With a dual inverter compressor and BLDC motor, this LG window AC operates as low as 44 dB while cooling up to 450 sq ft. Wi-Fi connectivity via the ThinQ app and voice control add convenience. It suits medium to large rooms where low noise and energy savings are priorities.
Pros
- Ultra-quiet operation at 44 dB
- Energy-saving dual inverter technology
- Wi-Fi and voice control via ThinQ app
- Washable filter for easy maintenance
- Cools up to 450 square feet
Cons
- Fits only double-hung windows (22-36 in. wide)
- Heavy unit (62.8 lbs) for single-person installation
- No heating function
LG 6,000 BTU Window Air Conditioner
This LG window air conditioner delivers 6,000 BTU of cooling for rooms up to 250 square feet, making it a solid choice for medium bedrooms, dens, or offices. Its quiet operation at 52 dB, auto restart after power outages, and included remote control add convenience. The unit suits those seeking a straightforward, reliable window AC with easy maintenance.
Pros
- Quiet at 52 dB on low mode
- Auto restart after power loss
- Remote control included
- Washable filter with alert
- Easy window installation kit
Cons
- No inverter for variable speed
- Only 2 cooling and fan speeds
- Heavy at 44 pounds
LG LW8024RD 8,000 BTU Window AC
For medium-sized rooms up to 350 square feet, this LG window air conditioner combines quiet operation with practical features. Its 4-way air deflection and three cooling speeds allow customized airflow, while the auto restart function ensures comfort after power outages. The included remote and washable filter add convenience, making it a solid choice for bedrooms or living areas.
Pros
- Quiet operation as low as 53 dB
- Auto restart after power outage
- Washable filter for easy maintenance
- Remote control included
- 4-way air deflection for targeted cooling
Cons
- No inverter technology (on/off compressor)
- Moderate energy efficiency (SEER 11.4)
- Heavy unit at 57 pounds
LG 23,500 BTU Dual Inverter Smart Window Air
With 23,500 BTU cooling capacity, this LG window air conditioner handles rooms up to 1,440 square feet while operating as quietly as a library in sleep mode at 44 dB. Its Dual Inverter technology is up to 50% more energy efficient than Energy Star standards, and smart controls via LG ThinQ, Amazon Alexa, or Hey Google allow remote adjustments. Ideal for large spaces where quiet, efficient cooling is a priority.
Pros
- Ultra quiet operation at 44 dB
- Covers up to 1,440 sq ft
- Energy efficient with Dual Inverter
- WiFi and voice control
- Washable filter with check alert
Cons
- Requires 230V electrical outlet
- Heavy unit at 112 pounds
- Window opening height minimum 17 inches
Top 3 LG Window Air Conditioners Reviewed
#1 LG LW1216ER 12,000 BTU Window Air Conditioner: Best Overall
Why We Picked It
The LG LW1216ER is our top LG pick because it pairs real capacity with a long track record. It cools up to 550 sq. ft. on a 115V outlet, has a remote, 4-way air deflection and a 24 hour timer, and holds a 4.2 average from 2,274 ratings.
The LG LW1216ER is a long-running 12,000 BTU model for medium rooms up to 550 sq. ft., and it still plugs into a 115V outlet. LG lists sound levels as low as 53dB in low mode. Three cooling and fan speeds with Auto Cool, a digital control panel, a remote and 4-way air deflection make it easy to direct the air, and a 24 hour on/off timer handles scheduling. A filter light reminder, a slide-out washable filter and the window installation kit are included, and Auto Restart turns it back on after an outage. It holds a 4.2 average from 2,274 ratings, the largest ratings base of any 12,000 BTU LG unit.
Key Specifications
- Cooling Capacity: 12,000 BTU
- Room Size: Up to 550 sq. ft.
- Noise Level: As low as 53 dB
- Power: 115V, 990W
- Air Direction: 4-way
- Extras: Remote, 24-hour timer, Auto Restart
| Pros | Cons |
|---|---|
|
|
Things to Consider
At 81 pounds it is heavy for a 12,000 BTU unit, so install it with a helper and a support bracket if your sill is weak. It fits windows 27 to 39 inches wide.
Best For
This unit is best for a living room, kitchen or large bedroom up to 550 sq. ft.
Check the current price and availability of the LG LW1216ER 12,000 BTU Window Air Conditioner on Amazon.
Read our full LG LW1216ER 12,000 BTU Window Air Conditioner review.
#2 LG LW5016 5,000 BTU Window Air Conditioner: Best for Small Rooms
Why We Picked It
For a small bedroom, the LG LW5016 is the pick. It has the best average in the LG line, 4.4 from 1,543 ratings, simple mechanical controls and a quiet 50dB low mode.
The LG LW5016 is a compact 5,000 BTU unit for bedrooms up to 150 sq. ft. It uses easy to use mechanical controls, two cooling and fan speeds and 2-way air deflection, so there is nothing to program. LG lists sound levels as low as 50dB in low mode, and the unit draws 440W on a 115V outlet. A window installation kit and a slide-out washable filter are included, and Auto Restart turns it back on when power returns after an outage. It holds a 4.4 average from 1,543 ratings, the best average among LG’s small window units.
Key Specifications
- Cooling Capacity: 5,000 BTU
- Room Size: Up to 150 sq. ft.
- Noise Level: As low as 50 dB
- Power: 115V, 440W
- Controls: Mechanical
- Extras: Auto Restart, washable filter
| Pros | Cons |
|---|---|
|
|
Things to Consider
There is no remote or timer, so it suits someone who sets the temperature once and leaves it. It is sized for 150 sq. ft. and will struggle in a larger room.
Best For
This unit is best for a small bedroom or guest room.
Check the current price and availability of the LG LW5016 5,000 BTU Window Air Conditioner on Amazon.
Read our full LG LW5016 5,000 BTU Window Air Conditioner review.
#3 LG 10,000 BTU Dual Inverter Window Air Conditioner: Best Dual Inverter Pick
Why We Picked It
The LG 10,000 BTU Dual Inverter is the choice when noise and power bills matter. It runs as low as 44dB in sleep mode, LG says its inverter units beat the ENERGY STAR requirement by up to 35%, and LG ThinQ adds app and voice control.
The LG LW1022FVSM is a 10,000 BTU Dual Inverter unit for rooms up to 450 sq. ft. LG describes it as an ENERGY STAR model and says its inverter units are up to 35% more energy saving than the ENERGY STAR requirement. The BLDC motor and Dual Inverter compressor bring sound levels as low as 44dB in sleep mode. LG ThinQ lets you control it from your phone, and it works with Google Assistant and Amazon Alexa. It installs in a double hung window 22 to 36 inches wide with the included EZ Mount kit, uses R32 refrigerant and has a slide-out filter. It holds a 4.1 average from 210 ratings.
Key Specifications
- Cooling Capacity: 10,000 BTU
- Room Size: Up to 450 sq. ft.
- Efficiency: ENERGY STAR, Dual Inverter
- Noise Level: As low as 44 dB
- Power: 115V, 970W
- Controls: LG ThinQ app, Alexa, Google
| Pros | Cons |
|---|---|
|
|
Things to Consider
The cabinet is almost 27 inches deep, so a good part of it hangs outside the window. Clean the filter every 30 days to keep the inverter running at its best.
Best For
This unit is best for a bedroom or home office where quiet, efficient cooling matters most.
Check the current price and availability of the LG 10,000 BTU Dual Inverter Window Air Conditioner on Amazon.
Read our full LG 10,000 BTU Dual Inverter Window Air Conditioner review.
Other Models Worth Considering
LG 6,000 BTU Window Air Conditioner. A 6,000 BTU unit with a remote, filter light, 24-hour timer and Auto Restart, rated as low as 52dB. It holds a 4.2 average from 6,143 ratings.
LG LW8024RD 8,000 BTU Window AC. An 8,000 BTU unit for rooms up to 350 sq. ft. with a remote, 4-way air deflection, a 24-hour timer and Auto Restart. It holds a 4.3 average from 414 ratings.
LG 23,500 BTU Dual Inverter Smart Window Air Conditioner. A 23,500 BTU Dual Inverter unit for up to 1,440 sq. ft. with ThinQ, Alexa and Hey Google control and a 44 dB sleep mode. It needs a 230V outlet.
What to Expect from LG Window Air Conditioners
LG’s standard window units use rotary compressors with electronic or mechanical controls, three cooling and fan speeds on most models, and Auto Restart after an outage. The Dual Inverter line adds a variable-speed compressor and a BLDC fan motor for much lower noise and power use, plus Wi-Fi control through LG ThinQ with Alexa and Google support.
Expect a window installation kit and a washable slide-out filter in the box. The largest LG units are heavy and need a 230V outlet, so plan the installation carefully.
For more options, see our guides to quiet window air conditioners and window air conditioners for large rooms. The product cards show the current price for each system.
How to Choose an LG Window Air Conditioner
Size the Unit to the Room
ENERGY STAR publishes this general guide for sizing a room air conditioner by floor area:
| Room Size (sq ft) | Cooling Capacity (BTU/hr) |
|---|---|
| 100 to 150 | 5,000 |
| 150 to 250 | 6,000 |
| 250 to 300 | 7,000 |
| 300 to 350 | 8,000 |
| 350 to 400 | 9,000 |
| 400 to 450 | 10,000 |
| 450 to 550 | 12,000 |
| 550 to 700 | 14,000 |
| 700 to 1,000 | 18,000 |
Reduce capacity by 10 percent for a heavily shaded room, increase it by 10 percent for a very sunny room, add 600 BTU for each regular occupant beyond two, and add 4,000 BTU if the unit cools a kitchen. Source: ENERGY STAR.
Standard or Dual Inverter
LG’s standard units are the budget choice and still include remotes and timers on most models. Dual Inverter units cost more but run much quieter and more efficiently, which pays off in a bedroom or a room you cool every day.
Check the Outlet
Small and mid-size units plug into a standard 115V outlet, while the largest models need a 230V outlet that most bedrooms do not have. Plug the unit straight into the wall, never into an extension cord, and avoid sharing the circuit with other large appliances.
Measure Your Window First
Check the width and height of the window opening against the range in each listing, and make sure the sill can carry the weight. Conventional units are built for double hung windows that slide up and down. Casement and sliding windows need a different type of air conditioner.
Consider Noise for Bedrooms
Many listings give a decibel figure for the low fan setting. Inverter units and models with a sleep or mute mode are the quietest choice for bedrooms, while louder units are fine in a kitchen or living room.
How We Evaluate LG Window Air Conditioners
We rank window air conditioners on manufacturer specifications, listing details and aggregated buyer ratings. For a single-brand guide we picked different models from the brand’s current line, one per size or feature class, and left out color and bundle variants of the same unit, portable models, renewed listings and listings with too little data. We weighed cooling capacity against room size, efficiency features and the size of each rating base first, then compared noise, controls, installation fit, power needs and warranty.
Frequently Asked Questions
What is an LG Dual Inverter window air conditioner?
It uses a variable-speed compressor that slows down once the room is cool instead of cycling on and off, which saves energy and keeps noise low.
Do LG window air conditioners have Auto Restart?
Yes. Every LG unit in this list restores its settings after a power failure.
Which LG window unit is the quietest?
The Dual Inverter models list the lowest figures, as low as 44dB in sleep mode.
How often should I clean the filter?
Most brands recommend washing the filter about every two weeks in the cooling season, or whenever the filter light comes on. A clogged filter cuts airflow and efficiency.
Final Verdict
The LG LW1216ER 12,000 BTU Window Air Conditioner is the best LG window air conditioner for most rooms, with a 4.2 average from 2,274 ratings and coverage up to 550 sq. ft. on a 115V outlet. For a small bedroom, choose the LG LW5016 5,000 BTU Window Air Conditioner. For the quietest, most efficient cooling, the LG 10,000 BTU Dual Inverter Window Air Conditioner is the pick.
About the author
Daniel Brooks is a home cooling editor at WikiCooling, covering window, portable, through-the-wall and mini-split air conditioners, fans, and dehumidifiers. He researches cooling capacity, energy efficiency, noise levels, installation requirements, and buyer feedback to help homeowners choose the right unit for their room size, climate, and budget.