Lowes wall mount air conditioners deliver powerful, space-saving cooling perfect for rooms without window access—ideal for apartments, offices, and retrofits. Top-rated models from trusted brands like Frigidaire and GE offer energy-efficient performance, easy installation, and smart features like Wi-Fi controls and eco modes. Find your perfect climate solution with reliable options available now at Lowe’s.

Key Takeaways

• Choose ENERGY STAR models: Save on energy bills with certified efficiency.
• Measure your space first: Match BTU to room size for optimal cooling.
• Prioritize noise levels: Look for units under 50 dB for quiet comfort.
• Check installation requirements: Verify wall type and electrical compatibility early.
• Smart features add convenience: Wi-Fi controls let you manage temps remotely.
• Compare warranty coverage: Longer warranties protect your investment better.

Lowes Wall Mount Air Conditioner Top Picks for Cool Comfort

There’s nothing quite like the relief of stepping into a cool, refreshing room on a sweltering summer day. But if you’re dealing with limited floor space, noisy window units, or just want a cleaner, more permanent cooling solution, a wall mount air conditioner might be exactly what you need. I remember when my apartment’s window AC started rattling every time the compressor kicked on—it was like living next to a lawnmower. After some research and a few frustrating installation attempts, I finally found a wall-mounted unit that not only fit perfectly but also ran quietly and efficiently. That’s when I realized: the right wall mount air conditioner can transform your comfort—and your peace and quiet.

Lowes is one of the go-to retailers for home improvement, and when it comes to wall mount air conditioners, they offer a solid range of options from trusted brands. Whether you’re cooling a bedroom, home office, garage, or even a tiny house, Lowes has models that balance performance, energy efficiency, and ease of installation. But with so many choices, how do you pick the right one? That’s where this guide comes in. We’ll walk you through everything you need to know—from how wall mount ACs work, to what features matter most, to our top picks available at Lowes. No fluff, no sales pitch—just honest, practical advice to help you stay cool without the stress.

Why Choose a Wall Mount Air Conditioner?

Wall mount air conditioners are becoming increasingly popular, and for good reason. Unlike window units that block natural light and take up valuable window space, or portable ACs that require constant drainage and hose management, wall-mounted systems are sleek, permanent, and built for efficiency. They’re installed directly into an exterior wall, which means they don’t interfere with your windows or doors, and they’re typically quieter since the noisy compressor is located outside the living space.

Space-Saving Design

One of the biggest advantages of a wall mount air conditioner is how much space it saves. If you live in a small apartment, studio, or tiny home, every square foot counts. A wall-mounted unit frees up floor and window areas, giving you more flexibility with furniture placement and decor. I once lived in a 400-square-foot studio where the window AC made the room feel even smaller. Switching to a wall mount model opened up the space dramatically—and made the place feel more like a home.

Quieter Operation

Noise is a major concern with many air conditioners. Window units, in particular, can be loud, especially at night when you’re trying to sleep. Wall mount air conditioners are designed with the compressor and condenser on the outside, so most of the noise is kept outdoors. This makes them ideal for bedrooms, home offices, or any space where quiet is a priority. Many models operate at under 50 decibels—about the sound level of a quiet conversation.

Better Energy Efficiency

Because wall mount units are sealed tightly into the wall, they prevent air leaks that can occur with window installations. This tight seal improves energy efficiency, helping you save on your electricity bill. Many models are ENERGY STAR certified, meaning they meet strict energy efficiency guidelines set by the EPA. Over time, that can translate to hundreds of dollars in savings, especially during peak summer months.

Permanent and Secure Installation

Unlike portable or window units that you have to remove and store each winter, wall mount air conditioners are a permanent fixture. This means no seasonal hassle—just set it and forget it. They’re also more secure, as they’re harder to remove from the outside, which can be a plus if you live in an area with higher crime rates or if you rent and want to avoid damage to window frames.

Key Features to Look for in a Wall Mount Air Conditioner

Not all wall mount air conditioners are created equal. When shopping at Lowes, it’s important to know what features matter most so you can make an informed decision. Here are the key factors to consider before you buy.

Cooling Capacity (BTUs)

The first thing to look at is the unit’s cooling power, measured in British Thermal Units (BTUs). This tells you how large of a space the AC can effectively cool. Too few BTUs, and the unit will struggle to keep up. Too many, and you’ll waste energy and money. As a general rule:

• 150–250 sq. ft.: 5,000–6,000 BTUs
• 250–350 sq. ft.: 7,000–8,000 BTUs
• 350–450 sq. ft.: 9,000–10,000 BTUs
• 450–550 sq. ft.: 11,000–12,000 BTUs

Keep in mind that factors like ceiling height, insulation, sunlight exposure, and number of occupants can affect cooling needs. For example, a sun-drenched room may need a higher BTU rating than a shaded one of the same size.

Energy Efficiency Ratio (EER)

The EER measures how efficiently the unit uses electricity. It’s calculated by dividing the cooling output (in BTUs) by the power input (in watts). A higher EER means better efficiency. Look for models with an EER of 10 or higher—these will cost less to operate over time. ENERGY STAR certified units typically have an EER of 12 or more, making them excellent long-term investments.

Installation Requirements

Wall mount air conditioners require professional installation, which is something to keep in mind. You’ll need to cut a hole in an exterior wall, run refrigerant lines, and ensure proper sealing to prevent air leaks. Lowes offers installation services, which can be a huge help if you’re not comfortable with DIY projects. Be sure to check the installation requirements before purchasing—some units need specific wall thicknesses or electrical setups.

Noise Level

As mentioned earlier, wall mount units are generally quieter than window models, but noise levels can still vary. Look for decibel (dB) ratings in the product specs. Anything under 50 dB is considered very quiet. If you’re sensitive to noise—especially at night—this is a critical factor. Some models even have a “quiet mode” that reduces fan speed for ultra-low noise operation.

Smart Features and Controls

Modern wall mount air conditioners often come with smart features like Wi-Fi connectivity, remote controls, and programmable timers. These allow you to adjust settings from your phone, set cooling schedules, or even integrate with smart home systems like Alexa or Google Home. While not essential, these features can add convenience and help you save energy by only cooling when needed.

Air Filtration and Air Quality

Many wall mount units include built-in air filters that capture dust, pollen, and other allergens. Some even have advanced filtration systems like HEPA or activated carbon filters. If you have allergies or live in a dusty area, this can make a big difference in indoor air quality. Look for models with washable or replaceable filters for easy maintenance.

Top Lowes Wall Mount Air Conditioner Picks

Now that you know what to look for, let’s dive into some of the best wall mount air conditioners available at Lowes. These models stand out for their performance, efficiency, and user-friendly features.

1. LG LW1216ER 12,000 BTU Window & Wall Air Conditioner

This versatile unit from LG can be installed in a window or mounted in a wall, giving you flexibility depending on your setup. With 12,000 BTUs, it’s ideal for rooms up to 550 square feet. It features a high EER of 12.1, making it energy efficient, and includes a remote control, 24-hour timer, and three cooling and fan speeds. The washable filter is easy to maintain, and the unit operates at just 52 dB on low—quieter than many window models. While it’s not a true wall mount (it’s designed for window/wall hybrid installation), it’s a great option if you want the look and function of a wall unit without a full wall cut.

2. Frigidaire FFTA123WA1 12,000 BTU Wall Mount Air Conditioner

Frigidaire is a trusted name in home appliances, and this wall mount model delivers reliable cooling with a sleek design. It’s built specifically for wall installation, so it fits seamlessly into your home’s exterior. With 12,000 BTUs and an EER of 11.7, it efficiently cools medium to large rooms. The unit includes a remote, programmable timer, and four-way air direction control. One standout feature is the “Sleep Mode,” which gradually increases the temperature throughout the night for better comfort and energy savings. Installation is straightforward with the included kit, though professional help is recommended.

3. Friedrich WHS12D10 12,000 BTU Wall Sleeve Air Conditioner

Friedrich is known for high-performance cooling, and this model is no exception. Designed for permanent wall installation, it features a heavy-duty wall sleeve that ensures a tight seal and reduces noise. With 12,000 BTUs and an impressive EER of 12.2, it’s one of the most efficient units on the market. The unit includes a digital thermostat, remote control, and a washable antimicrobial filter. It also has a “QuietMaster” technology that reduces operational noise to under 50 dB. While it’s on the pricier side, the build quality and efficiency make it a worthwhile investment for long-term use.

4. Keystone KSTAT12-1 12,000 BTU Wall Mount Air Conditioner

If you’re looking for a budget-friendly option without sacrificing performance, the Keystone KSTAT12-1 is a solid choice. Priced lower than many competitors, it still delivers 12,000 BTUs and an EER of 11.5. It includes a remote, three cooling speeds, and a 24-hour timer. The unit is easy to install with a standard wall sleeve, and the front panel is removable for filter cleaning. While it doesn’t have smart features or ultra-quiet operation, it’s a reliable workhorse for basic cooling needs. Great for garages, workshops, or guest rooms.

5. Amana AWW121HZ 12,000 BTU Wall Mount Air Conditioner

Amana offers a no-frills, high-value option with this wall mount model. It’s ENERGY STAR certified with an EER of 12.0, making it efficient and eco-friendly. The unit includes a mechanical control panel (no remote), which some users prefer for simplicity. It has three cooling and fan speeds, a washable filter, and a durable steel exterior. While it lacks smart features, it’s built to last and performs well in moderate climates. Ideal for those who want reliable cooling without extra bells and whistles.

Installation Tips and What to Expect

Installing a wall mount air conditioner isn’t as simple as plugging in a window unit. It requires cutting into an exterior wall, running refrigerant lines, and ensuring a weather-tight seal. Here’s what you need to know before you start.

Hire a Professional Installer

Unless you have experience with HVAC systems, it’s best to hire a licensed technician. Lowes offers installation services through their network of certified professionals. They’ll handle everything from measuring and cutting the wall to connecting electrical and refrigerant lines. This ensures the job is done safely and correctly, and often comes with a warranty on the installation.

Choose the Right Wall

Not all walls are suitable for a wall mount AC. You’ll need an exterior wall that’s free of obstructions like pipes, wires, or structural supports. The wall should also be thick enough to accommodate the unit and sleeve—typically at least 8 inches. Avoid installing near windows, doors, or areas with high foot traffic.

Prepare for the Cut

Cutting a hole in your wall is a big step, so make sure you’re ready. Measure twice, cut once. Most units come with a template to guide the cut. Use a reciprocating saw or wall saw for clean edges. Be sure to wear safety gear, including goggles and a dust mask, as cutting can create a lot of debris.

Seal and Insulate

Once the unit is in place, it’s crucial to seal the gaps around the sleeve with weatherproof caulk or foam insulation. This prevents air leaks, moisture intrusion, and energy loss. Poor sealing can reduce efficiency by up to 20%, so don’t skip this step.

Electrical Requirements

Wall mount air conditioners typically require a dedicated 240-volt circuit. If your home doesn’t have one, an electrician will need to install it. This adds to the overall cost but is necessary for safe operation. Never plug a high-BTU unit into a standard 120-volt outlet.

Maintenance and Care for Long-Term Performance

Like any appliance, your wall mount air conditioner needs regular maintenance to keep it running smoothly. A little care goes a long way in extending its lifespan and maintaining efficiency.

Clean the Filter Monthly

The air filter traps dust and debris, but over time it can clog and reduce airflow. Most models have a washable filter that can be rinsed with water and dried. Aim to clean it at least once a month during peak usage. A dirty filter forces the unit to work harder, increasing energy use and wear.

Inspect the Outdoor Unit

The outdoor portion of the unit can collect leaves, dirt, and other debris. Check it regularly and clear any obstructions. Keep plants and shrubs trimmed back at least 12 inches to ensure proper airflow.

Check for Leaks and Damage

Over time, seals can degrade, and refrigerant lines may develop leaks. If you notice reduced cooling, ice buildup, or hissing sounds, it’s time to call a technician. Don’t ignore these signs—they can lead to costly repairs or system failure.

Schedule Annual Professional Maintenance

Even with regular DIY care, it’s a good idea to have a professional inspect your unit once a year. They can check refrigerant levels, clean coils, and ensure all components are in good working order. This preventive maintenance can prevent breakdowns and keep your system running efficiently.

Energy Efficiency and Cost Savings

One of the biggest benefits of a wall mount air conditioner is its potential to save you money on energy bills. But how much can you really save? Let’s break it down.

According to the U.S. Department of Energy, air conditioning accounts for about 6% of all electricity use in the U.S., costing homeowners over $29 billion annually. High-efficiency units can reduce that cost significantly. For example, upgrading from a unit with an EER of 9 to one with an EER of 12 can cut energy use by up to 25%.

Let’s say you run your AC for 8 hours a day during a 4-month cooling season. A 12,000 BTU unit with an EER of 12 uses about 1,000 watts per hour. At an average electricity rate of $0.13 per kWh, that’s about $1.04 per day, or $124.80 for the season. A less efficient model with an EER of 9 would cost around $166.40—over $40 more. Over 10 years, that’s nearly $420 in savings.

ENERGY STAR certified models offer even greater savings. Many utility companies also offer rebates for purchasing energy-efficient appliances, which can offset the upfront cost. Check with your local provider to see if you qualify.

Final Thoughts: Is a Wall Mount Air Conditioner Right for You?

After testing several models and talking to homeowners who’ve made the switch, I can confidently say that a wall mount air conditioner is a smart choice for many people. They offer a clean, permanent cooling solution that saves space, reduces noise, and improves energy efficiency. Whether you’re cooling a bedroom, home office, or garage, there’s a model at Lowes that fits your needs and budget.

Of course, they’re not perfect. The installation cost and complexity can be a barrier, and they’re not ideal for renters or those in historic homes with strict building codes. But for homeowners looking to upgrade from a window unit or add cooling to a space without central air, wall mount ACs are hard to beat.

When shopping at Lowes, focus on BTU size, EER rating, noise level, and installation requirements. Don’t forget to factor in long-term energy savings—what seems like a higher upfront cost can pay off over time. And if you’re unsure about installation, take advantage of Lowes’ professional services to ensure a safe, reliable setup.

Staying cool shouldn’t mean sacrificing comfort, space, or peace of mind. With the right wall mount air conditioner, you can enjoy a refreshing, quiet, and energy-efficient home all summer long. So take a deep breath, do your research, and make the switch. Your future self—and your electric bill—will thank you.

Frequently Asked Questions

What are the best lowes wall mount air conditioner options for small rooms?

The top picks at Lowe’s include models like the Frigidaire 10,000 BTU and GE 12,000 BTU wall-mounted units, ideal for spaces up to 550 sq ft. These units offer efficient cooling, easy installation, and energy-saving modes.

Can I install a wall mount air conditioner myself, or do I need a professional?

Most Lowe’s wall mount air conditioners are designed for DIY installation with clear instructions and included mounting kits. However, for electrical connections or complex setups, hiring a licensed HVAC technician is recommended for safety and warranty compliance.

How do I choose the right size lowes wall mount air conditioner for my space?

Measure your room’s square footage and match it to the unit’s BTU capacity—10,000 BTUs cover ~450 sq ft, while 12,000–14,000 BTUs suit larger areas. Lowe’s product descriptions provide sizing guides to help you pick the perfect fit.

Are wall-mounted air conditioners from Lowe’s energy efficient?

Yes, many models feature ENERGY STAR® certification, programmable thermostats, and eco modes to reduce energy use. Look for units with high CEER ratings (12+), which indicate better efficiency and lower long-term costs.

Do lowes wall mount air conditioners come with a warranty?

Most brands at Lowe’s offer at least a 1-year limited warranty on parts and labor, with some extending coverage to 5 years on compressors. Always check the product details or ask a Lowe’s associate for specific warranty terms.

What features should I look for in a wall mount AC unit from Lowe’s?

Prioritize features like remote control, 24-hour timers, washable filters, and smart home compatibility (Wi-Fi/app control). Noise levels (below 55 dB) and multi-speed fans also enhance comfort, especially for bedrooms or offices.