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You are looking for the best LG bright white window air conditioners to fit your space. We compared 6 models using only the specifications published on the listings. Our top pick is the LG 18,000 BTU Window Air Conditioner with Heat because it delivers strong cooling and heating specs for large rooms. This unit handles spaces up to 1,000 square feet with its 18,000 BTU capacity. Each selection here is based on hard data like BTU output, voltage, and physical dimensions. This guide helps you decide which unit matches your room size and power requirements.
Match BTU to your room size
Your room size determines the right BTU capacity. Use the LG 10,000 BTU model for rooms up to 450 square feet. Choose the 14,000 BTU unit for spaces up to 700 square feet. Select the 18,000 BTU version for large areas around 1,000 square feet. Picking the correct capacity ensures efficient cooling without wasting energy on an oversized unit.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | LG 18,000 BTU Window Air Conditioner with Heat Best overall | large rooms needing 18,000 BTU cooling and heat | |
| 2 | LG 10,000 BTU Smart Inverter Window AC Best 450 sq. ft. | medium rooms up to 450 square feet | |
| 3 | LG 14,000 BTU Wi-Fi Window Air Conditioner Best budget | large rooms up to 700 sq ft with smart control needs | |
| 4 | LG 11,800 BTU Through the Wall AC Best fan | bedrooms with wall openings | |
| 5 | LG 12,200 BTU Window Air Conditioner with Heat Also great | medium rooms up to 570 square feet | |
| 6 | LG 8,500 BTU Dual Inverter Window AC Best 350 sq. ft. | small rooms needing quiet, smart cooling |
The best fit for you
- You need cooling and heating for a large room – LG 18,000 BTU Window Air Conditioner with Heat – This 18,000 BTU unit covers 1,000 square feet and includes a heating mode.
- You want smart control for a medium-sized room – LG 14,000 BTU Wi-Fi Window Air Conditioner – This 14,000 BTU model offers Wi-Fi app control for large rooms up to 700 square feet.
- You need quiet cooling for a small bedroom – LG 8,500 BTU Dual Inverter Window AC – This 8,500 BTU Dual Inverter AC is designed for small rooms up to 350 square feet.
LG 18,000 BTU Window Air Conditioner with Heat
Best for: large rooms needing 18,000 BTU cooling and heat
- Color
- Bright White
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- up to 1,000 sq ft
- Control Method
- Remote, digital control panel
- Voltage
- 230/208V
- Operating Modes
- Cooling, heating, fan
This LG unit covers up to 1,000 square feet with 18,000 BTU cooling and supplemental heating. It runs on 230/208V power and includes a remote control with a 24-hour timer. The 126-pound unit measures 30.5 inches wide. You get four-way air deflection and auto restart after power failures. It suits large rooms needing strong climate control.
- Cools spaces up to 1,000 square feet
- Includes supplemental heating mode
- Features 24-hour timer and remote control
- Auto restart after power loss
- Four-way air deflection for flexible airflow
- Requires 230/208V voltage instead of standard 115V
- Weighs 126 pounds, making it heavier than smaller units
- Cools a larger area than the 450 to 570 square foot range of other picks
- You need to cool a room up to 1,000 square feet
- You have a 230/208V outlet available
- You want supplemental heating for cooler days
- You only have standard 115V outlets
- You are cooling a small room under 500 square feet
- You cannot handle a 126-pound installation
Verdict: LG 18,000 BTU Bright White AC/Heater handles large spaces with strong cooling and heating specs. It fits buyers with 230/208V power who need to chill or warm a 1,000 square foot room.
LG 10,000 BTU Smart Inverter Window AC
Best for: medium rooms up to 450 square feet
- Color
- Bright White
- Cooling Capacity
- 10,000 BTU
- Coverage Area
- 450 sq ft
- Noise Level
- 44 dB
- Control Method
- App, remote, voice, digital
- Voltage
- 115 V
This LG unit cools rooms up to 450 square feet with 10,000 BTUs of power. It uses Dual Inverter technology to operate quietly at 44dB in sleep mode and saves energy compared to standard certifications. You can control it via remote, app, or voice commands with Alexa. The bright white finish fits standard window frames. It suits bedrooms and small living spaces where moderate cooling and low noise matter most.
- Cools areas up to 450 square feet
- Dual Inverter technology for energy efficiency
- Quiet operation at 44dB in sleep mode
- Compatible with Alexa and Google Home
- Includes LCD remote control
- 10,000 BTU capacity is lower than larger models on this list
- 450 square foot coverage is smaller than units rated for 500+ square feet
- Weighs 63 pounds, making it heavier to install
- You need to cool a medium room around 450 square feet
- You value quiet operation for a bedroom or living room
- You want smart control via Alexa or Google Home
- You need to cool a large room over 500 square feet
- You require heating capability in addition to cooling
- You prefer a unit with higher BTU output for faster cooling
Verdict: LG 10,000 BTU Dual Inverter AC delivers efficient, quiet cooling for medium-sized rooms. It fits buyers who prioritize low noise and smart home integration in a bright white finish.
LG 14,000 BTU Wi-Fi Window Air Conditioner
Best for: large rooms up to 700 sq ft with smart control needs
- Color
- Bright White
- Cooling Capacity
- 14,000 BTU
- Coverage Area
- 700 sq ft
- Control Method
- App, remote, voice
- Room
- Large Rooms, Large Room
- Features
- Remote, Quiet Operation
This LG unit delivers 14,000 BTU of cooling for rooms up to 700 square feet. It features smart connectivity via the LG ThinQ app and voice assistants. The slide-out chassis simplifies installation in double-hung windows. A washable dust filter helps maintain efficiency. This bright white model weighs 82 pounds and measures 23.6 inches wide. It suits those needing substantial cooling power with modern controls.
- 14,000 BTU cooling capacity for large spaces
- Cools rooms up to 700 square feet
- Wi-Fi enabled with LG ThinQ app control
- Compatible with Google Assistant and Alexa
- Washable dust filter for easy maintenance
- Heavier at 82 pounds than smaller 8,500 BTU models
- Larger footprint at 23.6 inches wide compared to compact units
- Higher power draw than entry-level 10,000 BTU options
- You need to cool a room up to 700 square feet
- You want to control the AC via a smartphone app
- You prefer a bright white finish for your window
- You only need to cool a small room under 450 square feet
- You prefer a lighter unit under 70 pounds for easier handling
- You do not have a double-hung window for the slide-out chassis
Verdict: LG 14,000 BTU Bright White Window AC fits buyers who need strong cooling for large rooms and value smart home integration. Its high capacity and app control make it ideal for spacious living areas.
LG 11,800 BTU Through the Wall AC
Best for: bedrooms with wall openings
- Color
- Bright White
- Cooling Capacity
- 11,800 BTU
- Coverage Area
- 530 sq ft
- Control Method
- Remote
- Voltage
- 115V
- Operating Modes
- Energy Saver, Dry, Cool
This LG wall-mounted unit cools spaces up to 530 square feet with 11,800 BTUs of power. It uses R-32 refrigerant for an EER of 10.6. You get three cooling speeds and three pre-programmed modes. The package includes a remote, washable filter, and trim kit. It fits bedrooms and living rooms. The design is bright white and built for through-the-wall installation.
- 11,800 BTU cooling capacity
- EER of 10.6 with R-32 refrigerant
- Includes remote control and washable filter
- Three cooling speeds and modes
- Limited to 530 square feet coverage
- Requires through-the-wall installation
- Heavier at 76 pounds
- You need a wall-mounted unit for a bedroom
- You have a prepared through-the-wall opening
- You want a bright white finish
- You require a standard window installation
- You need to cool a large living room
- You prefer a lighter portable unit
Verdict: LG 11,800 BTU Bright White Wall AC suits homeowners with existing wall openings who need efficient cooling for a single room. It delivers solid performance for bedrooms and small living areas.
LG 12,200 BTU Window Air Conditioner with Heat
Best for: medium rooms up to 570 square feet
- Color
- Bright White
- Cooling Capacity
- 12,200 BTU
- Coverage Area
- up to 570 sq ft
- Control Method
- App, remote, electronic controls
- Operating Modes
- Cooling, heating, fan
- Fan Speeds
- 2
This LG window unit offers 12,200 BTU of cooling power for rooms up to 570 square feet. It features LG ThinQ technology for remote control via the app, along with a physical remote for local adjustments. The unit includes a 24-hour programmable timer and auto-restart function. It is a bright white model suitable for medium-sized spaces like bedrooms or living rooms.
- 12,200 BTU cooling capacity
- Covers areas up to 570 square feet
- LG ThinQ app and remote control included
- 24-hour programmable timer
- Auto-restart after power failure
- 12,200 BTU is lower than the 18,000 BTU option on this list
- 570 square feet coverage is less than the 1,000 square feet capacity of the top pick
- 86 pounds weight is heavier than lighter window units
- You need to cool a medium room around 570 square feet
- You want app control via LG ThinQ
- You prefer a bright white finish
- You require heating capabilities
- You need to cool a large space over 570 square feet
- You want a unit lighter than 86 pounds
Verdict: LG 12,200 BTU Bright White Window AC suits you if you need smart control for a medium-sized room and do not require heating. It is a solid choice for bedrooms or living areas where app management is a priority.
LG 8,500 BTU Dual Inverter Window AC
Best for: small rooms needing quiet, smart cooling
- Color
- Bright White
- Cooling Capacity
- 8,500 BTU
- Coverage Area
- 350 sq ft
- Noise Level
- 44 dB
- Control Method
- App, remote, voice, digital panel
- Voltage
- 115V
This LG window air conditioner offers 8,500 BTU of cooling for rooms up to 350 square feet. It uses Dual Inverter technology to operate quietly at 44dB in sleep mode and saves energy. You can control it via Wi-Fi, the ThinQ app, voice assistants like Alexa, or the included LCD remote. The unit measures 28.8 inches wide and weighs 85 pounds. It is a practical choice for smaller spaces that need smart connectivity.
- Dual Inverter technology for 35% more energy efficiency
- Ultra quiet operation at 44dB in sleep mode
- Wi-Fi and voice control via Alexa and Google
- Cools spaces up to 350 square feet
- Lower 8,500 BTU capacity compared to 10,000 BTU and 14,000 BTU models on this list
- Smaller 350 square foot coverage area compared to 450 and 530 square foot options
- Heavier 85-pound build compared to lighter standard units
- You need to cool a room up to 350 square feet
- You want quiet operation for a bedroom or office
- You prefer controlling your AC via voice commands or an app
- You need to cool a large room over 400 square feet
- You require heating capabilities alongside cooling
- You are looking for a higher BTU output for larger spaces
Verdict: LG 8,500 BTU Dual Inverter AC is a quiet, energy-efficient choice for small rooms up to 350 square feet that benefit from smart app and voice control.
Specifications side by side
| Spec | LG 18,000 BTU Window Air Conditioner with Heat | LG 10,000 BTU Smart Inverter Window AC | LG 14,000 BTU Wi-Fi Window Air Conditioner | LG 11,800 BTU Through the Wall AC | LG 12,200 BTU Window Air Conditioner with Heat | LG 8,500 BTU Dual Inverter Window AC |
|---|---|---|---|---|---|---|
| Cooling Capacity | 18,000 BTU | 10,000 BTU | 14,000 BTU | 11,800 BTU | 12,200 BTU | 8,500 BTU |
| Coverage Area | up to 1,000 sq ft | 450 sq ft | 700 sq ft | 530 sq ft | up to 570 sq ft | 350 sq ft |
| Noise Level | – | 44 dB | – | – | – | 44 dB |
| Control Method | Remote, digital control panel | App, remote, voice, digital | App, remote, voice | Remote | App, remote, electronic controls | App, remote, voice, digital panel |
| Voltage | 230/208V | 115 V | – | 115V | – | 115V |
| Operating Modes | Cooling, heating, fan | – | – | Energy Saver, Dry, Cool | Cooling, heating, fan | – |
| Fan Speeds | 2 | 4 | – | 3 | 2 | 4 |
| Room | Bedrooms | Bedrooms | Large Rooms, Large Room | Bedrooms | – | – |
| Features | Timer, 24-Hour Timer, Remote | Inverter, Quiet Operation | Remote, Quiet Operation | Remote | Quiet Operation | Inverter, Remote, Quiet Operation |
| Room Type | Bedroom, Living Room, Apartment, Basement | Bedroom, Living Room, Apartment | – | Bedroom, Living Room, Apartment | – | – |
| Color | Bright White | Bright White | Bright White | Bright White | Bright White | Bright White |
| Size | 18,000 BTU | 10,000 BTU | 14,000 BTU | 11,800 BTU | 12,200 BTU | 8,500 BTU |
| Operating Mode | Heater | – | – | – | – | – |
| Smart Compatibility | – | Alexa | – | – | – | Alexa |
| Dimensions | 30.5 × 25.5 × 16.8 inches | 24.5 × 19.6 × 12.5 inches | 22.2 × 23.6 × 15 inches | 20.1 × 24 × 14.4 inches | 22 × 23.6 × 15 inches | 28.8 × 23.6 × 14.9 inches |
| Weight | 126 pounds | 63 pounds | 82 pounds | 76 pounds | 86 pounds | 85 pounds |
| Model | LW1823HR | LW1022IVSM | LW1521ERSM1 | LT12124CNR | LW1223HRSM | LW8024IVSM |
How to choose the right LG AC
Match BTU to room size
Select the cooling capacity based on your square footage. Small rooms up to 350 square feet work well with the 8,500 BTU model. Medium spaces around 450 square feet suit the 10,000 BTU unit. Larger areas up to 700 square feet need the 14,000 BTU option. For big rooms reaching 1,000 square feet, choose the 18,000 BTU unit. Using too little power leaves the room warm. Overpowering a small space causes short cycling. Check the coverage area in the specs.
Check voltage requirements
Verify your outlet matches the unit voltage before buying. Most models in this list use standard 115V outlets. This includes the 10,000 BTU, 14,000 BTU, and 8,500 BTU units. However, the 18,000 BTU model requires a 230V outlet. You cannot plug the 18,000 BTU unit into a standard wall socket. You must have the correct wiring installed. Check the voltage spec in the product details. Using the wrong voltage can damage the unit or the outlet.
Decide on heating needs
Determine if you need a heater for winter use. The 18,000 BTU model includes a heating operating mode. It also provides 18,000 BTUs of cooling. The 12,200 BTU unit also offers heating. Other models in this guide provide cooling only. If you live in a cold climate, heating is useful. If you only need summer cooling, skip the heater. Heating adds complexity and cost. Check the operating modes in the attributes list to confirm.
Choose your control method
Pick the control method that fits your routine. Most units include a remote control for manual operation. The 14,000 BTU model adds Wi-Fi app control. This lets you adjust settings from your phone. The 10,000 BTU and 8,500 BTU models support voice control with Alexa. This is handy for smart home setups. If you prefer simple buttons, a remote is enough. Check the control method spec to see what is included.
Measure your installation space
Ensure the physical dimensions fit your window or wall. The 18,000 BTU unit is large at 30.5 inches long. It weighs 126 pounds. The 10,000 BTU model is smaller at 24.5 inches long. It weighs 63 pounds. The 14,000 BTU unit is 22.2 inches long. Measure your opening before buying. The 11,800 BTU model is a through-the-wall unit. It requires a specific wall opening. Check the width, height, and length specs.
Frequently asked questions
Which LG bright white window AC is best for large rooms?
The LG 18,000 BTU Window Air Conditioner with Heat is the top choice for large spaces. It covers up to 1,000 square feet and provides both cooling and heating. This 230V unit weighs 126 pounds and measures 30.5 inches in length. It includes a remote control and a 24-hour timer for convenient operation in bedrooms or living areas.
Do LG bright white window air conditioners support smart home integration?
Yes, several models support smart home features. The 14,000 BTU unit offers Wi-Fi app control for remote management. The 10,000 BTU and 8,500 BTU Dual Inverter models allow voice control with Alexa. These smart capabilities let you adjust settings from your phone or via voice commands, adding convenience to your cooling setup.
What is the smallest LG bright white window AC available?
The LG 8,500 BTU Dual Inverter Window AC is the smallest option listed. It is designed for small rooms up to 350 square feet. This 115V unit features quiet operation and dual inverter technology for efficiency. It weighs 85 pounds and includes both remote and voice control options for easy use.
Which model is best for medium-sized rooms?
The LG 10,000 BTU Smart Inverter Window AC is ideal for medium rooms up to 450 square feet. It operates on 115V power and weighs 63 pounds. This model emphasizes quiet operation and smart home integration with Alexa. Its compact design fits well in bedrooms or apartments where noise levels matter.
Are there LG bright white ACs that provide heating?
Yes, two models include heating capabilities. The LG 18,000 BTU unit provides strong heating for large spaces. The LG 12,200 BTU Window Air Conditioner with Heat also offers heating for medium rooms up to 570 square feet. Both units are bright white and provide versatile climate control for different seasons.
How do the dimensions of LG window ACs compare?
Dimensions vary by capacity. The 18,000 BTU model is the largest at 30.5 inches long. The 10,000 BTU unit is more compact at 24.5 inches long. The 14,000 BTU Wi-Fi model measures 22.2 inches in length. Checking these specs ensures the unit fits your window frame properly before installation.
Does the LG 11,800 BTU unit work for window installation?
No, the LG 11,800 BTU Through the Wall AC is designed for wall openings, not windows. It is best for homeowners with existing through-the-wall openings. This unit operates in fan mode and weighs 76 pounds. For window installation, consider the other models in this list that are explicitly designed for window mounting.