LG Air Conditioner Through the Wall Top Picks for 2024

LG air conditioner through the wall units deliver powerful, energy-efficient cooling with sleek, space-saving designs ideal for rooms without windows. Top 2024 models feature smart controls, quiet operation, and easy installation, making them a reliable choice for year-round comfort. Discover why LG continues to lead in performance and innovation for through-the-wall AC solutions.

Key Takeaways

• Prioritize energy efficiency: Choose ENERGY STAR certified LG models to reduce electricity bills and environmental impact.
• Check BTU sizing: Match the unit’s BTU rating to your room size for optimal cooling performance.
• Ensure proper wall fit: Verify wall sleeve dimensions before purchase to guarantee seamless installation.
• Look for smart features: Opt for Wi-Fi enabled units to control cooling remotely via the LG ThinQ app.
• Consider noise levels: Select models with low decibel ratings for quieter, more comfortable indoor environments.
• Evaluate warranty coverage: Choose LG units with comprehensive warranties for long-term reliability and peace of mind.

LG Air Conditioner Through the Wall Top Picks for 2024

Let’s be honest—summer heat can be brutal. Whether you’re dealing with sticky humidity or scorching dry heat, a reliable air conditioner isn’t just a luxury; it’s a necessity. And if you’re like many homeowners or renters who don’t have central air, a through-the-wall air conditioner might be your best bet. It’s a permanent solution that delivers consistent cooling without taking up precious floor space like a window unit might. Among the top brands in this category, LG stands out—not just for its sleek design, but for its smart features, energy efficiency, and quiet operation.

LG has been a trusted name in home appliances for decades, and their through-the-wall air conditioners are no exception. Whether you’re cooling a bedroom, home office, or even a small living room, LG offers models that balance power, convenience, and modern technology. In this guide, we’ll walk you through everything you need to know about LG air conditioner through the wall units—what makes them special, how to choose the right one, and our top picks for 2024. No fluff, no sales pitch—just honest, practical advice to help you stay cool and comfortable all summer long.

Why Choose an LG Through-the-Wall Air Conditioner?

When it comes to cooling your home, you’ve got options: window units, portable ACs, ductless mini-splits, and through-the-wall models. So why go with a through-the-wall unit—and specifically one from LG? Let’s break it down.

Space-Saving and Permanent Installation

Unlike window units that block your view and take up window space, through-the-wall air conditioners are installed directly into an exterior wall. This means your windows stay clear, and you don’t have to worry about seasonal installation and removal. Once it’s in, it’s there for the long haul. LG’s models are designed to fit standard wall sleeves, making installation straightforward for professionals—and they look clean and integrated once installed.

Energy Efficiency and Cost Savings

LG has made significant strides in energy efficiency, and many of their through-the-wall ACs come with high Energy Efficiency Ratios (EER). For example, some models boast an EER of 12 or higher, which means they use less electricity to deliver the same cooling power. Over time, this translates to lower utility bills—especially important if you’re running your AC for several hours a day during peak summer months.

Plus, many LG units are ENERGY STAR certified, which not only helps the environment but may also qualify you for local rebates or tax incentives. It’s a win-win for your wallet and the planet.

Quiet Operation for Peaceful Comfort

One of the biggest complaints about older AC units is the noise. LG addresses this with advanced compressor technology and sound-dampening materials. Many of their through-the-wall models operate at noise levels as low as 50 decibels—about the same as a quiet conversation or a refrigerator humming. That means you can sleep, work, or watch TV without constant background racket.

Smart Features and Convenience

LG doesn’t just stop at cooling—they’ve packed their ACs with smart features that make life easier. Some models come with Wi-Fi connectivity, allowing you to control the unit remotely via the LG ThinQ app. Imagine turning on your AC from your phone while you’re still at work, so your room is perfectly cool by the time you get home. You can also set schedules, monitor energy usage, and even receive maintenance alerts.

Other conveniences include programmable timers, multiple fan speeds, and auto-restart functions that restore your settings after a power outage. These small touches add up to a much more user-friendly experience.

Key Features to Look for in an LG Through-the-Wall AC

Not all air conditioners are created equal, and the same goes for LG’s lineup. When shopping for an LG air conditioner through the wall, here are the key features to keep an eye on to ensure you’re getting the best fit for your needs.

Cooling Capacity (BTUs)

The first thing to consider is the unit’s cooling power, measured in British Thermal Units (BTUs). Too few BTUs, and your room won’t cool properly. Too many, and you’re wasting energy and money. LG offers a range of capacities, typically from 8,000 to 24,000 BTUs, suitable for rooms from 300 to over 1,000 square feet.

As a general rule of thumb:

• 8,000–10,000 BTUs: Ideal for small bedrooms or offices (up to 400 sq. ft.)
• 12,000–14,000 BTUs: Great for medium-sized rooms (400–600 sq. ft.)
• 18,000–24,000 BTUs: Best for large rooms or open-concept spaces (600–1,000+ sq. ft.)

Pro tip: If your room gets a lot of direct sunlight or has high ceilings, consider going one size up for better performance.

Energy Efficiency Rating (EER)

The EER tells you how efficiently the unit uses electricity. The higher the number, the more efficient the AC. LG’s through-the-wall models typically range from 10.6 to 12.2 EER. For example, the LG LW1222IVSM has an impressive EER of 12.1, making it one of the most efficient in its class.

While higher efficiency often means a higher upfront cost, the long-term savings on your energy bill can more than make up for it—especially in hot climates where the AC runs frequently.

Noise Level (Decibels)

Noise matters—especially if you’re installing the unit in a bedroom or home office. LG uses advanced compressor technology and insulated cabinets to keep noise levels down. Most of their models operate between 50 and 60 decibels on the low setting. For comparison, a whisper is about 30 dB, and normal conversation is around 60 dB.

If quiet operation is a top priority, look for models with “Ultra Quiet” or “Silent Operation” in the description. These are designed specifically for noise-sensitive environments.

Smart Connectivity and App Control

LG’s ThinQ technology allows you to control your AC from anywhere using your smartphone. You can turn it on or off, adjust the temperature, set schedules, and even monitor energy usage. This is especially useful if you forget to turn off the AC before leaving the house—or if you want to cool your room before you arrive home.

Not all LG through-the-wall models have Wi-Fi, so check the specs carefully. The LW1222IVSM and LW1822IVSM are two popular smart-enabled options.

Installation Requirements

Through-the-wall units require a sleeve to be installed in the wall, which must be properly insulated and sealed to prevent air leaks and moisture intrusion. LG units are designed to fit standard 26” x 16” wall sleeves, but always double-check the dimensions before purchasing.

Installation is best left to a professional, especially if you’re cutting into an exterior wall. Poor installation can lead to inefficiency, noise, and even water damage. LG provides detailed installation guides, and many HVAC contractors are familiar with their models.

Top LG Through-the-Wall Air Conditioners for 2024

After researching performance, customer reviews, and expert ratings, we’ve narrowed down the best LG air conditioner through the wall models available in 2024. Each of these units offers a unique blend of power, efficiency, and smart features—perfect for different needs and budgets.

1. LG LW1222IVSM – Best Overall

The LG LW1222IVSM is our top pick for 2024. With 12,000 BTUs of cooling power, it’s ideal for medium-sized rooms up to 550 square feet. It features Wi-Fi connectivity, allowing full control via the LG ThinQ app. You can set schedules, receive filter change alerts, and even integrate it with Alexa or Google Assistant for voice control.

What really sets this model apart is its energy efficiency. With an EER of 12.1 and ENERGY STAR certification, it uses less power than many competitors. Plus, it operates quietly—around 52 decibels on low—so it won’t disturb your sleep or work.

Installation is straightforward with a standard wall sleeve, and the sleek front panel blends well with most interiors. The only downside? It’s one of the pricier models, but the long-term savings and smart features justify the cost for many users.

2. LG LW1822IVSM – Best for Large Rooms

If you’re cooling a large living room, open-concept space, or even a small apartment, the LG LW1822IVSM is a powerhouse. With 18,000 BTUs, it can handle up to 1,000 square feet with ease. Like the LW1222IVSM, it’s Wi-Fi enabled and works with the ThinQ app for remote control and scheduling.

This model also boasts an EER of 12.0 and ultra-quiet operation at 54 decibels. It includes a 24-hour timer, four-way airflow control, and a washable filter for easy maintenance. The digital display is bright and easy to read, and the remote control is intuitive.

The main consideration here is installation—this unit is heavier and requires a sturdy wall sleeve. But if you need serious cooling power with smart convenience, this is the one to get.

3. LG LW1019IVSM – Best Budget-Friendly Smart Option

Looking for smart features without breaking the bank? The LG LW1019IVSM offers 10,000 BTUs of cooling for rooms up to 450 square feet, making it perfect for bedrooms or home offices. It’s Wi-Fi enabled, so you can control it from your phone, set schedules, and monitor energy use.

With an EER of 12.1 and ENERGY STAR certification, it’s surprisingly efficient for its size. Noise levels are around 51 decibels, making it one of the quietest in its class. The front panel is removable for easy cleaning, and the unit comes with a remote control.

The only trade-off is that it lacks some of the advanced airflow features of higher-end models, but for the price and performance, it’s an excellent value.

4. LG LW8016ER – Best Non-Smart Option

Not everyone needs or wants smart features. If you prefer a straightforward, reliable AC without Wi-Fi, the LG LW8016ER is a solid choice. With 8,000 BTUs, it’s ideal for small rooms up to 350 square feet. It’s not ENERGY STAR certified, but it still offers decent efficiency with an EER of 10.6.

This model includes a mechanical control panel, three cooling speeds, and a 24-hour timer. It’s easy to operate and maintain, with a washable filter and simple installation. While it doesn’t have app control, it’s a dependable workhorse that gets the job done without extra frills.

It’s also one of the more affordable LG through-the-wall models, making it a great entry-level option.

5. LG LW2422IVSM – Best for Commercial or High-Heat Areas

For those with very large spaces or high heat loads—like sunrooms, garages, or commercial offices—the LG LW2422IVSM delivers 24,000 BTUs of cooling power. It’s Wi-Fi enabled, ENERGY STAR certified, and has an EER of 12.0.

This unit includes advanced features like auto-restart, four-way airflow, and a corrosion-resistant condenser for durability. It’s built to handle heavy use and extreme temperatures, making it ideal for demanding environments.

The downside? It’s expensive and requires professional installation due to its size and weight. But if you need maximum cooling with smart control, this is the top-tier choice.

Installation and Maintenance Tips for LG Through-the-Wall ACs

Even the best air conditioner won’t perform well if it’s not installed or maintained properly. Here’s what you need to know to get the most out of your LG through-the-wall unit.

Professional Installation Is Key

Cutting into an exterior wall isn’t a DIY project for most people. You’ll need to ensure the wall is structurally sound, properly insulated, and sealed to prevent air and water leaks. LG units require a standard wall sleeve, which must be level and securely fastened.

We recommend hiring a licensed HVAC technician or contractor with experience in through-the-wall installations. They’ll handle electrical connections, drainage, and sealing, ensuring your unit operates efficiently and safely.

Regular Cleaning and Filter Maintenance

LG air conditioners come with washable filters that should be cleaned every two weeks during peak usage. A dirty filter restricts airflow, reduces efficiency, and can lead to frozen coils or system failure.

To clean the filter:

• Turn off the unit and unplug it.
• Remove the front panel and slide out the filter.
• Rinse it under warm water and let it air dry completely.
• Reinstall the filter and turn the unit back on.

Also, check the outdoor side of the unit periodically for debris like leaves or dirt, and gently clean it with a soft brush or hose.

Seasonal Checks and Professional Servicing

Before each cooling season, inspect the unit for signs of wear, loose connections, or damage. If you notice unusual noises, reduced cooling, or water leaks, it’s time to call a professional.

We recommend an annual service check-up, especially for units in high-use environments. A technician can clean the coils, check refrigerant levels, and ensure all components are functioning properly.

Energy Efficiency and Environmental Impact

Choosing an energy-efficient air conditioner isn’t just good for your wallet—it’s better for the environment. LG has made sustainability a priority, and their through-the-wall ACs reflect that commitment.

ENERGY STAR Certification

Many LG models are ENERGY STAR certified, meaning they meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. These units use up to 30% less energy than standard models, reducing greenhouse gas emissions and your carbon footprint.

Eco-Friendly Refrigerants

LG uses R-32 refrigerant in many of their newer models, which has a lower global warming potential (GWP) than older refrigerants like R-410A. This makes them more environmentally friendly without sacrificing performance.

Smart Energy Management

With the LG ThinQ app, you can monitor your energy usage in real time and adjust settings to reduce consumption. For example, you can set the AC to turn off when you’re not home or raise the temperature by a few degrees during peak hours to save energy.

Final Thoughts: Is an LG Through-the-Wall AC Right for You?

LG air conditioner through the wall units offer a reliable, efficient, and stylish solution for cooling individual rooms or small spaces. Whether you’re looking for smart features, whisper-quiet operation, or powerful performance, LG has a model to fit your needs.

Our top picks for 2024—like the LW1222IVSM and LW1822IVSM—combine cutting-edge technology with energy efficiency, making them excellent long-term investments. Even the more budget-friendly options deliver solid performance and durability.

Just remember: proper installation and regular maintenance are essential to getting the most out of your unit. And if you’re unsure about sizing or features, consult with an HVAC professional to find the perfect fit for your home.

Stay cool, save energy, and enjoy the comfort of a well-chosen LG through-the-wall air conditioner all summer long.

Frequently Asked Questions

What is the best LG air conditioner through the wall for 2024?

The LG LW1822IVSM (18,000 BTU) and LW1222IVSM (12,000 BTU) are top picks for 2024, offering inverter technology, quiet operation, and Wi-Fi control. These models balance energy efficiency and cooling power for medium to large rooms.

Can I install an LG through-the-wall AC unit myself?

While possible, professional installation is recommended to ensure proper wall sleeve fit, drainage, and electrical connections. Improper installation can void the warranty and reduce efficiency.

Are LG through-the-wall air conditioners energy efficient?

Yes, most LG air conditioner through the wall models feature high CEER ratings (up to 11.5+) and inverter compressors that adjust output to save energy. Look for ENERGY STAR® certified models like the LW2222IVSM for maximum efficiency.

Do LG wall air conditioners work with smart home systems?

Select 2024 LG models include LG ThinQ® Wi-Fi, allowing control via smartphone or voice assistants like Alexa and Google Assistant. You can adjust temperature, set schedules, and receive maintenance alerts remotely.

How loud are LG through-the-wall AC units compared to window units?

LG’s through-the-wall units operate at 50-58 dB, quieter than most window ACs (55-65 dB). Their sealed wall installation reduces vibration noise, making them ideal for bedrooms.

What size wall sleeve do I need for an LG air conditioner?

LG through-the-wall models typically require a 26″ x 15.75″ sleeve (standard 27″ sleeve compatible). Always check the manual for exact dimensions before purchasing or modifying a wall opening.