Walmart offers some of the best through-the-wall air conditioners for 2024, combining affordability, energy efficiency, and reliable cooling performance. From top brands like LG and Frigidaire, these units are designed for easy installation and quiet operation, making them ideal for bedrooms, offices, or apartments. Whether you need powerful cooling or smart features, Walmart’s top picks deliver comfort and value in one sleek package.

Key Takeaways

• Top Picks: Walmart’s 2024 through-the-wall ACs offer energy-efficient cooling for any room.
• Installation: Ensure proper wall sleeve fit—check dimensions before purchasing.
• Budget-Friendly: Find reliable models starting under $300 with strong BTU ratings.
• Noise Levels: Prioritize units with low decibel ratings for quieter operation.
• Smart Features: Select models include Wi-Fi/app control for remote temperature adjustments.
• Warranty: Always verify manufacturer coverage—most offer 1-2 years of protection.

Walmart Air Conditioner Through the Wall Top Picks for 2024

Let’s be honest—when summer rolls around and the heat starts to feel like a personal attack, the last thing you want is an air conditioner that struggles to keep up. I remember one particularly brutal July when my old window unit gave up the ghost mid-heatwave. Sweat dripping, ceiling fan spinning like a helicopter, I found myself standing in the Walmart aisle staring at rows of through-the-wall air conditioners, wondering which one would actually save my sanity—and my electric bill.

Through-the-wall air conditioners are a solid middle ground between bulky window units and expensive central AC systems. They’re permanent, efficient, and built to cool larger spaces without obstructing your windows. And Walmart? They’ve quietly become a go-to spot for reliable, budget-friendly cooling solutions. Whether you’re renting, own a home, or just need a dedicated cooling zone in a bedroom or living room, Walmart offers a surprising range of through-the-wall AC units that balance performance, price, and ease of installation. In this guide, I’ll walk you through the top picks for 2024, what to look for, and how to make the best choice for your space—without the sales pitch.

Why Choose a Through-the-Wall Air Conditioner?

Before we dive into the models, let’s talk about why you might want a through-the-wall unit in the first place. These aren’t just window units with a different name—they’re designed to be installed directly into an exterior wall, offering a cleaner, more permanent cooling solution.

Space-Saving and Aesthetic Appeal

One of the biggest perks? They free up your windows. No more wrestling with heavy window units every spring and storing them in the basement come fall. A through-the-wall AC sits flush with your wall, leaving your view—and your window sill—clear. This is especially helpful in apartments or homes where window space is limited or already occupied by blinds, plants, or furniture.

Better Cooling Efficiency

Because they’re built into the wall, these units often have better insulation and sealing than window models. That means less air leakage, which translates to more consistent cooling and lower energy bills. Many modern through-the-wall units also come with energy-efficient compressors and programmable thermostats, helping you save money over time.

Quieter Operation

Let’s face it—window units can sound like a small jet engine. Through-the-wall models tend to be quieter because the compressor (the noisy part) is mounted outside the wall. The indoor unit only houses the fan and controls, so you get cooling without the constant hum disrupting your Netflix binge or bedtime routine.

Ideal for Larger Rooms

If you’re trying to cool a bedroom, home office, or living area over 300 square feet, a through-the-wall unit is often a better fit than a standard window AC. They’re built for higher BTU output and longer run times, making them perfect for spaces that need serious cooling power.

What to Look for in a Walmart Through-the-Wall Air Conditioner

Not all through-the-wall ACs are created equal. Walmart carries a mix of brands and models, so knowing what to prioritize can save you from buyer’s remorse. Here’s what I look for when comparing units—and what you should too.

BTU Rating: Match It to Your Room Size

BTU (British Thermal Unit) measures cooling power. Too low, and your room stays muggy. Too high, and you’re wasting energy and money. Here’s a quick guide:

• 100–300 sq. ft.: 5,000–6,000 BTUs
• 300–450 sq. ft.: 7,000–8,000 BTUs
• 450–550 sq. ft.: 9,000–10,000 BTUs
• 550–700 sq. ft.: 12,000–14,000 BTUs

For example, if you’re cooling a 400-square-foot bedroom, an 8,000 BTU unit is ideal. Going too high (like 12,000 BTUs) might cool the room too quickly without removing enough humidity, leaving it clammy.

Energy Efficiency: Check the EER Rating

Look for the Energy Efficiency Ratio (EER)—the higher, the better. Most modern units range from 8.5 to 12 EER. A unit with a 10+ EER will cost less to run, especially if you’re using it daily. Some models even qualify for Energy Star rebates, which can save you $20–$50 at checkout.

Installation Requirements

Through-the-wall units require cutting a hole in your exterior wall—so this isn’t a DIY project for everyone. You’ll need to measure the wall sleeve size (usually 26” x 16” or similar) and ensure your wall can support the unit. Most Walmart models come with a wall sleeve included or available separately. Pro tip: If you’re renting, check with your landlord first—some prohibit wall modifications.

Smart Features and Controls

Many 2024 models come with digital thermostats, remote controls, and even Wi-Fi connectivity. While not essential, these features add convenience. Imagine adjusting the temperature from bed or pre-cooling your room before you get home. Some units also have sleep modes, timers, and fan-only settings for year-round use.

Noise Level: Measured in Decibels (dB)

Look for units under 60 dB for quiet operation. For context, normal conversation is around 60 dB. Anything above 65 dB might be noticeable in a quiet room. Brands like LG and Frigidaire often lead in quiet performance.

Top Walmart Through-the-Wall Air Conditioner Picks for 2024

After testing and comparing models available at Walmart (both in-store and online), here are my top picks for 2024. These units stand out for performance, value, and real-world usability.

1. LG LW8016ER – Best Overall

This 8,000 BTU unit is a workhorse. It cools rooms up to 350 square feet and boasts a 12.1 EER rating—one of the highest in its class. I installed one in my home office last summer, and it kept the space cool even during 90°F afternoons. The digital thermostat is accurate, and the remote control works from across the room. Plus, it’s Energy Star certified, so you’ll save on energy costs.

Pros: Quiet (53 dB), energy-efficient, reliable cooling.

Cons: Wall sleeve sold separately (about $40 extra).

2. Frigidaire FFTA083WA1 – Best for Quiet Operation

If noise is your biggest concern, this 8,000 BTU Frigidaire is a standout. At just 51 dB, it’s one of the quietest on the market. It uses a rotary compressor, which runs smoother and quieter than traditional piston compressors. The unit also has a 3-speed fan and a washable filter, making maintenance easy.

Pros: Extremely quiet, good airflow, affordable.

Cons: Slightly lower EER (9.8), so not as energy-efficient as the LG.

3. Keystone KSTAT10CE – Best Budget Option

At under $300, this 10,000 BTU unit is a steal. It’s ideal for larger rooms (up to 500 sq. ft.) and includes a wall sleeve, so you don’t have to buy it separately. The digital display is simple, and it has a 24-hour timer—perfect for setting it to turn on before you get home from work.

Pros: Great value, includes sleeve, strong cooling.

Cons: No remote control, slightly louder (58 dB).

4. GE AHY08LZ – Best for Smart Features

This 8,000 BTU GE unit comes with Wi-Fi connectivity, so you can control it via the GE Comfort app. Adjust the temperature, set schedules, or turn it on remotely—all from your phone. It also has Alexa and Google Assistant compatibility. The unit has a 10.7 EER and a sleek design that blends well with modern interiors.

Pros: Smart controls, app integration, Energy Star rated.

Cons: Requires a 240V outlet (not standard in all homes), higher price point.

5. Amana AHY105LZ – Best for Large Rooms

Need serious cooling? This 10,000 BTU Amana unit handles up to 500 square feet with ease. It’s built for durability and comes with a 5-year compressor warranty—something rare in this price range. The unit has a 3-speed fan and a slide-out chassis for easier installation.

Pros: Powerful cooling, long warranty, easy maintenance.

Cons: Heavier (over 80 lbs), requires professional installation.

Installation Tips: What You Need to Know

Installing a through-the-wall air conditioner isn’t as simple as plugging in a window unit. But with the right prep, it’s totally doable—even for a DIYer. Here’s how to make it smooth and safe.

Step 1: Measure and Plan

Start by measuring your wall. Most through-the-wall units require a 26” x 16” opening, but always double-check your model’s specs. Choose a spot on an exterior wall, away from direct sunlight if possible. Avoid areas near electrical panels, plumbing, or structural supports.

Step 2: Gather Your Tools

You’ll need:

• Measuring tape
• Level
• Circular saw or reciprocating saw
• Masonry drill (if cutting through brick or concrete)
• Caulk and weatherproofing sealant
• Screwdriver and drill

If you’re not comfortable cutting into your wall, hire a handyman or HVAC pro. Many Walmart models include installation guides, and some even offer free installation consultations.

Step 3: Install the Wall Sleeve

The wall sleeve is the metal frame that holds the AC unit in place. Most units come with one, but if not, order it separately. Slide the sleeve into the wall opening, secure it with screws, and seal the edges with caulk to prevent air leaks. This step is crucial for efficiency and safety.

Step 4: Mount the Unit

Carefully slide the AC into the sleeve from the outside. Make sure it’s level and secure. Connect the power—some units require a dedicated 240V circuit, so check your electrical setup. If you’re unsure, consult an electrician.

Step 5: Test and Maintain

Once installed, turn it on and test all settings. Check for air leaks around the sleeve and reseal if needed. Clean the filter monthly during peak use to keep airflow strong and energy use low.

Walmart vs. Other Retailers: Is It Worth Buying Here?

You might be wondering: Should I buy my through-the-wall AC at Walmart, or go with Home Depot, Lowe’s, or Amazon? Here’s how Walmart stacks up.

Price and Availability

Walmart often beats competitors on price, especially during seasonal sales (think Memorial Day or July 4th). Their online inventory is robust, and you can usually pick up in-store the same day. Plus, Walmart+ members get free shipping and delivery.

Return Policy and Support

Walmart offers a 90-day return window for most electronics, including air conditioners. If your unit doesn’t work or isn’t the right fit, you can return it with a receipt. Customer service is hit-or-miss, but their online chat and store associates can usually help with basic questions.

Brand Selection

Walmart carries major brands like LG, Frigidaire, GE, and Keystone—names you can trust. While they might not have every niche model, their selection covers most needs and budgets. You won’t find ultra-premium brands like Daikin, but for most homeowners, that’s not a dealbreaker.

Installation Services

Unlike Home Depot or Lowe’s, Walmart doesn’t offer in-house installation for through-the-wall units. You’ll need to DIY or hire someone separately. That said, many third-party services (like TaskRabbit or local HVAC pros) can handle it for $100–$200.

Real-World Performance: What Users Are Saying

Let’s hear from real people who’ve bought and used Walmart through-the-wall air conditioners. I scoured reviews and forums to bring you honest feedback.

LG LW8016ER – “Keeps My Bedroom Cool All Night”

One user in Phoenix said: “I was skeptical about an 8,000 BTU unit handling my 300 sq. ft. bedroom, but this LG does the job. It’s quiet, and the remote is a lifesaver. Only downside—the wall sleeve wasn’t included, so I had to order it separately.”

Frigidaire FFTA083WA1 – “So Quiet I Forget It’s On”

A reviewer in Florida shared: “I work from home and need silence. This Frigidaire is whisper-quiet. The cooling is strong, and the filter is easy to clean. Highly recommend for light sleepers.”

Keystone KSTAT10CE – “Great for the Price”

A budget-conscious buyer said: “I got this for my rental unit. It cools my living room fast, and the included sleeve saved me $40. No remote, but I don’t miss it. Solid value.”

GE AHY08LZ – “Smart Features Are a Game-Changer”

A tech-savvy user noted: “I love being able to turn it on from my phone. Came home to a cool house after work. Only issue—it needed a 240V outlet, so I had to hire an electrician. Worth it, though.”

Maintenance and Longevity: Keeping Your AC Running Smoothly

A through-the-wall air conditioner can last 10–15 years with proper care. Here’s how to extend its life and keep it running efficiently.

Clean the Filter Monthly

The air filter traps dust and debris. A dirty filter restricts airflow, making the unit work harder and use more energy. Most filters are washable—just rinse with water and let dry before reinserting.

Check the Coils Annually

The evaporator and condenser coils can collect dirt over time. Use a soft brush or coil cleaner to gently remove buildup. This improves heat transfer and efficiency.

Inspect the Drain Pan

Condensation collects in the drain pan. If it clogs, water can leak inside. Check it once a year and clean it with a mild bleach solution to prevent mold.

Seal the Wall Sleeve

Over time, caulk can crack. Reapply weatherproof sealant around the sleeve every few years to prevent drafts and moisture intrusion.

Schedule Professional Maintenance

Every 2–3 years, have an HVAC technician inspect the unit. They can check refrigerant levels, tighten connections, and ensure everything is running safely.

Final Thoughts: Is a Walmart Through-the-Wall AC Right for You?

After testing, researching, and talking to real users, one thing’s clear: Walmart offers some of the best value through-the-wall air conditioners on the market in 2024. Whether you need quiet cooling, smart features, or just a reliable unit that won’t break the bank, there’s a model that fits.

The LG LW8016ER stands out as the top pick for most people—efficient, quiet, and powerful. If noise is your main concern, go with the Frigidaire. On a tight budget? The Keystone delivers solid performance for under $300. And if you want modern convenience, the GE smart model is worth the upgrade.

Just remember: installation matters. Take your time, follow the instructions, and don’t skip the wall sleeve. And once it’s in, enjoy the cool, quiet comfort that only a well-placed through-the-wall AC can provide.

So next time the heat hits, don’t sweat it—literally. Head to Walmart, pick the right unit, and reclaim your cool. Your summer self will thank you.

Frequently Asked Questions

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

The top pick for 2024 is the LG LW1822IVSM, offering 18,000 BTUs, inverter technology for energy savings, and quiet operation. It fits standard 26″ wall sleeves and includes a remote for easy control.

Can I install a through-the-wall air conditioner from Walmart myself?

Yes, many models like the Keystone KSTAW15CE are designed for DIY installation with included kits. However, professional installation is recommended for electrical connections and weatherproofing.

Are Walmart air conditioners through the wall energy efficient?

Many 2024 models, such as the Frigidaire FHPC102AC1, feature high EER ratings (12+) and Energy Star certification. Look for inverter compressors to reduce energy use by up to 30%.

Do through-the-wall AC units from Walmart require a special sleeve?

Most require a 26″ universal wall sleeve (sold separately). The Midea MAW12V1QWT, for example, is compatible with existing sleeves or new installations.

What size room does a Walmart through-the-wall air conditioner cool?

BTU needs vary: 8,000 BTUs cool ~350 sq ft, while 14,000 BTUs cover ~700 sq ft. Check the product specs—like the GE AHEK12AC (12,000 BTUs)—to match your room size.

Do these units come with a warranty?

Most Walmart through-the-wall ACs include a 1-year limited warranty, with some brands like LG offering 5 years on the compressor. Extended protection plans are also available.