As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Choosing the best LG window air conditioners with wi fi app requires comparing key specs. We analyzed 6 models based strictly on published listing data. The top pick is the LG LW8024RSMY 8000 BTU Smart AC. It leads because it covers 350 square feet while remaining lightweight at just 44 pounds. This makes it ideal for small rooms needing smart app control. You can easily install it without moving a heavy unit. This guide helps you decide which model fits your space and power needs.
Match BTU to Your Room Size
Your room size determines the required BTU capacity. Small spaces under 350 square feet need around 8,000 BTU units. Larger rooms up to 700 square feet require 14,000 BTU models. Selecting the correct capacity ensures efficient cooling without wasting energy. Always verify the coverage area in the specifications before purchasing.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | LG LW8024RSMY 8000 BTU Smart AC Best overall | small rooms needing smart app control | |
| 2 | LG 14,000 BTU Wi-Fi Window Air Conditioner Best budget | large rooms up to 700 square feet | |
| 3 | LG 18,000 BTU Window AC with Heat Best premium | large rooms with 230V power | |
| 4 | LG 8,500 BTU Dual Inverter Window AC Best 115v | small rooms needing 115V quiet cooling | |
| 5 | LG 10,000 BTU Dual Inverter Window Air Conditioner Best 10,000 btu | medium rooms up to 450 square feet | |
| 6 | LG 18,000 BTU Dual Inverter Window AC Also great | large rooms with 230V power |
The best fit for you
- You need smart control for a small room – LG LW8024RSMY 8000 BTU Smart AC – This 8000 BTU model covers 350 square feet and includes Wi-Fi app control.
- You want the most powerful heating and cooling option – LG 18,000 BTU Window AC with Heat – The 18,000 BTU capacity and heating mode suit large spaces with 230V power.
- You need a compact unit for tight window frames – LG LW8024RSMY 8000 BTU Smart AC – Its 19.5-inch width and 44-pound weight make it easier to install than larger units.
LG LW8024RSMY 8000 BTU Smart AC
Best for: small rooms needing smart app control
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 8000 BTU
- Coverage Area
- 350 sq ft
- Operating Modes
- Cool, dry
- Fan Speeds
- 3
- Features
- Timer, 24-Hour Timer, Smart App
This LG window unit delivers 8000 BTU of cooling for rooms up to 350 square feet. It connects via Wi-Fi to the ThinQ app for remote control and supports voice commands through Alexa. The unit weighs 44 pounds and measures 19.5 by 12.3 by 16.4 inches. It combines cooling with dehumidification and includes an automatic energy saver. You get scheduled comfort with a 24-hour timer and auto restart after power outages.
- 8000 BTU cooling capacity
- Wi-Fi and app control
- Alexa voice compatibility
- Cools up to 350 sq ft
- Multi-directional airflow
- 8000 BTU is lower than the 14000 to 18000 BTU options on this list
- Covers only 350 square feet, which is smaller than larger units
- Weighs 44 pounds, adding to installation effort
- You need to cool a small room around 350 square feet
- You want app control and voice commands via Alexa
- You prefer a compact unit under 20 inches wide
- You need to cool a large room over 400 square feet
- You require heating functionality alongside cooling
- You want a unit with more than 14000 BTU
Verdict: LG 8000 BTU Smart Window AC fits small spaces where app control matters more than raw power. It suits renters who need easy installation and smart features without moving a heavy, high-capacity unit.
LG 14,000 BTU Wi-Fi Window Air Conditioner
Best for: large rooms up to 700 square feet
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 14,000 BTU
- Coverage Area
- 700 sq ft
- Room
- Large Rooms, Large Room
- Features
- Remote, Quiet Operation
- Color
- Bright White
This LG unit delivers 14,000 BTU of cooling for rooms up to 700 square feet. It measures 23.6 inches wide and weighs 82 pounds. You control it via the LG ThinQ app, voice commands, or the included remote. The slide-out chassis fits double hung windows from 27 to 39 inches wide. The washable filter helps maintain efficiency. It is a solid option for large spaces needing app control.
- 14,000 BTU cooling capacity for large rooms
- LG ThinQ app and voice control support
- Slide-out chassis for easy window installation
- Removable and washable dust filter
- Heavier build at 82 pounds compared to lighter models
- Smaller cooling capacity than the 18,000 BTU options on this list
- Fixed width of 23.6 inches may not fit all window frames
- You need to cool a room up to 700 square feet
- You want to control the temperature via a mobile app
- You have a double hung window between 27 and 39 inches wide
- You require a unit with 18,000 BTU for very large spaces
- You prefer a lighter unit under 70 pounds
- You need a model compatible with sliding windows only
Verdict: LG 14,000 BTU Window AC with Wi-Fi fits buyers who need strong cooling for large rooms and want convenient app management. It is a practical choice for those with standard double hung windows.
LG 18,000 BTU Window AC with Heat
Best for: large rooms with 230V power
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- 1,000 sq ft
- Voltage
- 230V
- Fan Speeds
- 2
- Operating Modes
- Heating
This LG unit delivers 18,000 BTU of cooling and heating for rooms up to 1,000 square feet. It connects via Wi-Fi for app control and supports voice commands through Alexa. The 230V voltage requires a specific outlet. You get two fan speeds for each mode and a 24-hour timer. The remote control adds convenience for adjusting settings from across the room.
- 18,000 BTU capacity cools large spaces
- Includes heating function for year-round use
- Wi-Fi app and voice control compatibility
- 230V electrical requirement for standard outlets
- 132-pound weight makes installation difficult
- 230V voltage limits compatible power sources
- Only two fan speeds per mode
- You need heating and cooling in one unit
- You have a 230V outlet available
- You want voice control via Alexa
- You only have standard 115V outlets
- You cannot handle heavy window units
- You need more than two fan speeds
Verdict: LG 18,000 BTU Window AC with Heat suits those with 230V outlets who need strong heating and cooling for large rooms. It fits users who value app control and do not mind the heavy installation weight.
LG 8,500 BTU Dual Inverter Window AC
Best for: small rooms needing 115V quiet cooling
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 8,500 BTU
- Coverage Area
- 350 sq ft
- Noise Level
- 44 dB
- Voltage
- 115V
- Fan Speeds
- 4
This LG window air conditioner delivers 8,500 BTU of cooling power for rooms up to 350 square feet. It runs on standard 115V power and features Dual Inverter technology for quiet operation down to 44dB. You can control the unit via Wi-Fi app, remote, or voice commands with Alexa. The compact design fits medium spaces, making it a practical choice for smaller rooms or apartments where high voltage is not available.
- Dual Inverter technology for 35% more energy efficiency
- Ultra quiet operation at 44dB in sleep mode
- Wi-Fi app and voice control with Alexa
- Standard 115V electrical connection
- Lower 8,500 BTU cooling capacity compared to 14,000 or 18,000 BTU models on this list
- Smaller 350 square foot coverage area limits use to medium-sized rooms
- Heavier 85-pound build requires sturdy window support
- You need a standard 115V outlet for installation
- You want to cool a room under 350 square feet
- You prefer quieter operation with Dual Inverter technology
- You need to cool a large room over 350 square feet
- You require higher cooling power than 8,500 BTU
- You only have 230V electrical outlets available
Verdict: LG 8500 BTU Dual Inverter 115V is a quiet, efficient choice for cooling medium-sized rooms using standard household power. It fits buyers who prioritize energy savings and smart control in smaller spaces.
LG 10,000 BTU Dual Inverter Window Air Conditioner
Best for: medium rooms up to 450 square feet
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 10,000 BTU
- Coverage Area
- 450 sq ft
- Noise Level
- 44 dB
- Features
- Inverter, Remote, Quiet Operation
- Color
- White
This LG window air conditioner delivers 10,000 BTU of cooling for rooms up to 450 square feet. It uses a dual inverter compressor and BLDC motor to operate quietly at 44 dB in sleep mode. You can control it via the LG ThinQ app, remote, or voice commands through Google Assistant and Amazon Alexa. The unit weighs 62.8 pounds and features a washable slide-out filter for easy maintenance.
- Dual inverter compressor for energy efficiency
- Quiet operation at 44 dB in sleep mode
- Wi-Fi app control with voice assistant compatibility
- Washable slide-out filter for easy cleaning
- 10,000 BTU capacity is lower than other options on this list
- 62.8 pound weight makes it heavier than smaller units
- You need to cool a medium room up to 450 square feet
- You want quiet operation with a 44 dB sleep mode
- You prefer controlling your AC via a mobile app
- You require more than 10,000 BTU of cooling power
- You need a unit with heating capabilities
- You are looking for the most powerful option available
Verdict: LG 10000 BTU Dual Inverter Window AC is a solid choice for cooling medium-sized rooms up to 450 square feet with quiet, app-controlled efficiency.
LG 18,000 BTU Dual Inverter Window AC
Best for: large rooms with 230V power
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- 1,000 sq ft
- Noise Level
- 52 dB
- Voltage
- 230 V
- Fan Speeds
- 3
This LG window air conditioner delivers 18,000 BTU of cooling power for spaces up to 1,000 square feet. It features a dual inverter compressor and connects via the LG ThinQ app for remote control. The unit operates at 52dB in low mode and meets Energy Star standards. It is designed for large rooms and includes voice control compatibility.
- 18,000 BTU cooling capacity for large rooms
- Cools areas up to 1,000 square feet
- Dual inverter technology for energy efficiency
- Low noise operation at 52dB in low mode
- Smart control via LG ThinQ app and voice assistants
- Heavy build at 110 pounds
- Requires 230V power connection
- Limited to three fan speeds
- You need to cool a large room up to 1,000 square feet
- You have a 230V electrical outlet available
- You want smart app control and voice command support
- You only have standard 115V outlets
- You are cooling a small room under 500 square feet
- You need a lightweight unit for easy installation
Verdict: LG 18,000 BTU Dual Inverter AC is a powerful option for cooling large spaces with smart features. It fits users who have 230V outlets and need high capacity cooling.
Specifications side by side
| Spec | LG LW8024RSMY 8000 BTU Smart AC | LG 14,000 BTU Wi-Fi Window Air Conditioner | LG 18,000 BTU Window AC with Heat | LG 8,500 BTU Dual Inverter Window AC | LG 10,000 BTU Dual Inverter Window Air Conditioner | LG 18,000 BTU Dual Inverter Window AC |
|---|---|---|---|---|---|---|
| Cooling Capacity | 8000 BTU | 14,000 BTU | 18,000 BTU | 8,500 BTU | 10,000 BTU | 18,000 BTU |
| Coverage Area | 350 sq ft | 700 sq ft | 1,000 sq ft | 350 sq ft | 450 sq ft | 1,000 sq ft |
| Noise Level | – | – | – | 44 dB | 44 dB | 52 dB |
| Control Method | App, voice | App, remote, voice | App, Remote, Voice, Electronic | App, remote, voice, digital panel | App, remote, voice | App, remote, voice |
| Voltage | – | – | 230V | 115V | – | 230 V |
| Operating Modes | Cool, dry | – | – | – | – | – |
| Fan Speeds | 3 | – | 2 | 4 | – | 3 |
| Room | – | Large Rooms, Large Room | – | – | – | – |
| Features | Timer, 24-Hour Timer, Smart App | Remote, Quiet Operation | Remote | Inverter, Remote, Quiet Operation | Inverter, Remote, Quiet Operation | Inverter, Remote, Quiet Operation |
| Color | White | Bright White | Bright White | Bright White | White | Bright White |
| Size | 8000 BTU | 14,000 BTU | 18,000 BTU | 8,500 BTU | 10,000 BTU | 18,000 BTU |
| Operating Mode | – | – | Heater | – | – | – |
| Smart Compatibility | Alexa | – | Alexa | Alexa | – | Alexa |
| Dimensions | 16.4 × 19.5 × 12.3 inches | 22.2 × 23.6 × 15 inches | 30.5 × 25.5 × 16.8 inches | 28.8 × 23.6 × 14.9 inches | 27 × 19.6 × 12.4 inches | 26.2 × 25.9 × 17.7 inches |
| Weight | 44 pounds | 82 pounds | 132 pounds | 85 pounds | 62.8 pounds | 110 pounds |
| Model | LW8024RSMY | LW1521ERSM1 | LW1823HRSM | LW8024IVSM | LW1022FVSM | LW1822IVSM |
Key Specs for LG Wi-Fi ACs
Check Voltage Requirements
You must verify your outlet type before purchasing. The LG LW8024RSMY and LW9024IVSM operate on standard 115V power, fitting most homes. However, the LW1823HRSM and LW1822IVSM require 230V outlets. Using the wrong voltage can damage the unit or prevent operation. Check your window’s electrical setup first. If you only have standard sockets, stick to the 115V models. This avoids costly electrical upgrades and ensures safe, reliable daily use for your cooling needs.
Compare Physical Dimensions
Window frames vary in size. Measure your opening carefully. The LG LW8024RSMY is compact at 19.5 inches wide. The LW1521ERSM1 is wider at 23.6 inches. The LW1823HRSM is the largest at 25.5 inches wide and 30.5 inches long. Larger units offer more power but need bigger windows. Ensure your sill can support the weight too. The LW1823HRSM weighs 132 pounds. The LW8024RSMY is lighter at 44 pounds. Match the unit’s physical specs to your window frame for a secure fit.
Look for Heating Modes
Most window ACs only cool. The LG LW1823HRSM includes a dedicated heating mode. This allows you to use one unit for both summer cooling and winter warmth. Other models like the LW8024RSMY lack this feature. If you live in a region with cold winters, the heating capability is valuable. It replaces the need for a separate space heater. Check the operating modes list. Only the LW1823HRSM explicitly lists heating. This dual-functionality simplifies your seasonal appliance setup.
Verify Smart Compatibility
All listed models support Wi-Fi app control. This lets you manage settings from your phone. You can adjust temperature or timers remotely. The LW8024RSMY, LW9024IVSM, and LW1822IVSM also support Alexa voice control. This adds hands-free convenience. If you rely on voice commands, check the smart compatibility field. The LW1521ERSM1 supports Wi-Fi but does not list Alexa. Ensure your preferred smart home ecosystem is supported. This ensures seamless integration into your daily routine without extra hubs.
Assess Noise Levels
Inverter technology often reduces operational noise. The LW9024IVSM and LW1022FVSM feature Dual Inverter compressors. They are labeled as quiet operation. This is ideal for bedrooms or home offices. The LW1521ERSM1 also highlights quiet operation. Standard units may run louder. If you are sensitive to sound, prioritize models with inverter or quiet labels. The LW8024RSMY does not explicitly list quiet operation. Check the features section for these keywords. Lower noise ensures better rest and productivity in your living space.
Frequently asked questions
Can I control these LG window ACs with voice commands?
Yes, several models support voice control. The LG LW8024RSMY, LW1823HRSM, LW8024IVSM, and LW1822IVSM are compatible with Alexa. You can use voice commands to adjust settings directly from your phone or smart speaker. This feature works alongside the Wi-Fi app for convenient hands-free operation.
Do these units offer heating capabilities?
Only specific models provide heating. The LG LW1823HRSM includes a heating mode for year-round comfort. Other listed units focus solely on cooling. If you need warmth in addition to air conditioning, you must select the 18,000 BTU model with the explicit heater function.
Which LG Wi-Fi AC is the lightest to install?
The LG LW8024RSMY is the lightest option at 44 pounds. Its compact design makes it easier to handle during installation. Heavier models like the LW1823HRSM weigh 132 pounds and require more effort. Choose the lighter unit if you plan to move it frequently.
What is the maximum room size these ACs can cool?
The largest models cover up to 700 square feet. The LG LW1521ERSM1 (14,000 BTU) is rated for large rooms up to that size. Smaller units like the LW8024RSMY cover 350 square feet. Match the BTU output to your room dimensions for efficient cooling performance.
Do all these smart ACs include a remote control?
Most models include a remote control for manual operation. The LW1521ERSM1, LW1823HRSM, LW8024IVSM, LW1022FVSM, and LW1822IVSM all come with remotes. The LW8024RSMY does not list a remote in its attributes. You can still control it via the Wi-Fi app or voice commands.
Which model is best for energy efficiency in small spaces?
The LG LW8024IVSM is a strong choice for small rooms. It features a dual inverter compressor for quieter and more efficient operation. It covers 350 square feet and runs on standard 115V power. The inverter technology helps reduce energy consumption while maintaining consistent temperatures.
Can I use these ACs with standard household outlets?
Some models work with standard 115V outlets. The LW8024RSMY and LW8024IVSM operate on 115V power. Other high-capacity models like the LW1823HRSM require 230V outlets. Verify your home’s electrical supply before purchasing to ensure compatibility. Using the wrong voltage can prevent the unit from functioning.