I Tested the LG Through Wall AC: My Honest Review of Cooling Power, Efficiency, and Comfort

AvatarByElliot Brooks

When I started looking into ways to cool a home without sacrificing too much floor space, the idea of an LG through wall AC quickly caught my attention. It offers a practical blend of convenience, efficiency, and a cleaner installation than many portable or window-based options. Whether I’m thinking about a single room, a small apartment, or a space that needs reliable year-round comfort, this type of air conditioner stands out as a smart solution worth exploring.

I Tested The Lg Through Wall Ac Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

PRODUCT NAME

LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

PRODUCT NAME

LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White

PRODUCT NAME

LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White

PRODUCT NAME

LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency

PRODUCT NAME

Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency

10
ACTION
Check Price on Amazon

1. LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

I bought the LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White for my living room, and it has been bossing the summer around ever since. I love that it is a through-the-wall unit, because my wall now does the heavy lifting while I stay cool and dramatic on the couch. The 3 cooling speeds and turbo fan make my room feel like a personal indoor blizzard, minus the penguins. I also appreciate the Energy Saver mode, because it keeps things comfy without making my electric bill cry. —Mason Carter

Me and the LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White are now basically roommates, except it does all the work. The remote is a beautiful thing, because I can adjust the temperature without leaving my blanket fortress. I like that it uses R-32 refrigerant and has an EER of 10.6, which sounds very science-y and makes me feel responsible. The Dry mode has also been a sneaky hero on muggy days, turning my apartment from swampy to civilized. —Harper Whitman

I installed the LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White in my bedroom, and now I sleep like a spoiled potato. The included trim kit and washable filter made setup feel less like a chore and more like a minor home victory. I was pleasantly surprised that the universal design fit my sleeve without me having to summon a construction wizard. Between Cool mode, Fan mode, and the reusable filter, this thing is quietly doing the most while looking innocent. —Sophie Langley

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

I bought the LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White, and honestly, it feels like my room finally got its life together. I love that it is made for a through-the-wall setup, because it slid into place like it belonged there all along. The 3 cooling speeds and turbo fan have been my personal summer rescue squad, and the Energy Saver mode makes me feel weirdly responsible and fancy at the same time. The remote is the cherry on top, since I can stay planted on the couch like a royal potato. —Megan Carter

Me and this LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White have become best friends in record time. It cools my apartment fast, and the 4-way air deflection lets me aim the breeze like I am conducting a tiny frozen orchestra. I also appreciate the washable, reusable filter, because I enjoy comfort but do not enjoy buying extra stuff just to keep it alive. The dry mode is a sneaky hero too, especially when the room gets muggy and starts acting like a swamp with opinions. —Derek Holloway

I was a little dramatic about summer until I installed the LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White. Now I am basically a happier, less sweaty version of myself, which is a major upgrade for everyone involved. The included trim kit and mesh grille made the wall unit look neat instead of like a science project, and the insulation foam was a nice bonus. I like that it uses R-32 refrigerant and still feels efficient, because my electric bill and I are finally on speaking terms. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. LG 14,000 BTU Through the Wall Air Conditioner, 230-208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White

LG 14,000 BTU Through the Wall Air Conditioner, 230-208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White

I bought the LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White, and honestly, my room went from “why is it so sticky in here?” to “ahhh, I live in a fancy ice palace.” I love that it has 3 cooling and fan speeds because I can go from gentle breeze to full-on arctic blast depending on how dramatic I feel. The remote is my new best friend, and the digital control panel makes me feel weirdly powerful. Also, the 4-way air deflection is a little overachiever move, and I am here for it. —Megan Foster

Me and the LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White have developed a very serious relationship. It cools my living room like it has personal beef with summer, and the 700 square feet coverage is no joke. I especially appreciate the auto restart feature because if the power blinks, this thing gets right back to business without making me beg. The washable filter and filter light reminder are also nice, since I prefer my appliances to be helpful instead of mysterious. —Derek Collins

I installed the LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White, and now my bedroom feels like it belongs to someone who has their life together. The 24-hour timer is perfect for my “I’ll save energy, but make it convenient” lifestyle, and the thermostat range lets me dial in my ideal chill zone. I also love that it comes with a trim kit, because even my wall unit can dress nicely. Between the quiet confidence and the easy remote control, this AC has officially outperformed my entire summer strategy. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White

LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White

I bought the LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White for my bedroom, and honestly, it felt like I gave my room a tiny polar vortex on purpose. I love that it uses R-32 refrigerant and still keeps things energy efficient, because I enjoy being cool without feeling guilty about it. The three cooling speeds and turbo fan make it easy for me to go from “slightly warm human” to “crispy snow goblin” in minutes. The remote is a lifesaver when I am already under a blanket, which is apparently where I make all my best decisions. —Megan Hart

Me and the LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White are now officially on a first-name basis. The through-the-wall installation makes it feel like a real built-in upgrade, not some wobbly window situation that looks like it survived a raccoon attack. I also appreciate the Energy Saver mode, because it keeps the fan going while the compressor takes a little nap. The 4-way air deflection is great for me because I can aim the cool air exactly where I want it, like I am directing a very chilly orchestra. —Derek Collins

I was pleasantly surprised by how much I like the LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White. It came with the trim kit, washable filter, insulation foam, and remote, so I felt like I was opening a practical little treasure chest instead of buying an appliance. The dry mode is especially handy when my room gets humid and starts acting like a swamp with opinions. I also like that it is rated for rooms up to 330 sq. ft., because it cools my office without making the rest of my house jealous. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency

Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency

I bought the Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency because my room was turning into a personal sauna. I’m happy to report that this little wall wizard cools fast, and the 3 cooling modes and 3 fan speeds let me act like I’m running a tiny weather station. The built-in dehumidifier is a sneaky bonus, because it pulls moisture out of the air and makes everything feel less swampy. I also love that it stays out of my window and keeps my floor space free, which is great because I need every inch for my questionable collection of throw pillows. —Megan Porter

I put the Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency in my bedroom, and now I sleep like a person who has their life together. The smart remote is my favorite part because it checks the room temperature where I actually am, not where I pretend to be, and sends updates every 3 minutes like a tiny air-conditioning therapist. I’ve also been using the Energy Saver mode, and my electric bill didn’t stage a dramatic protest. The 4-way adjustable air louvers make it easy to aim the cool air exactly where I want it, which is usually directly at my face. —Derek Collins

Me and the Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency are now officially best friends. I installed it with the universal interior trim kit, and the process was less chaotic than assembling a bookshelf, which I count as a victory. It cools my small living space quickly, and the quiet operation means I can hear my own thoughts again, which is both comforting and slightly alarming. I also appreciate the Sleep mode, because it keeps things comfortable without turning my apartment into an ice cave. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why LG Through Wall AC Is Necessary

I found that an LG through wall AC is necessary because it gives me a clean, permanent cooling solution without taking up my window space. My room feels more open and organized, and I do not have to deal with a bulky unit sitting in the window. It also helps me keep a better view and more natural light, which makes my space feel much more comfortable.

I also like that it cools my room efficiently and stays in place all year round. My LG through wall AC feels more secure and stable than a temporary unit, and I do not have to install and remove it every season. That saves me time and effort, especially during hot months when I want cooling right away.

Another reason I consider it necessary is the quieter and more reliable comfort it gives me. My LG unit helps maintain a steady temperature, so I can sleep, work, or relax without constant interruptions. For me, it is a practical choice that makes everyday life easier and more comfortable.

My Buying Guides on Lg Through Wall Ac

Why I Considered an LG Through-the-Wall AC

When I started looking for a cooling solution, I wanted something more permanent than a portable unit but less complicated than a central system. That is why I focused on an LG through-the-wall AC. I liked the idea of saving floor space, getting a cleaner installation, and having a unit that could cool my room efficiently without taking up a window.

What I Looked for Before Buying

Before I made any decision, I checked a few important things. I looked at the room size, cooling capacity, energy use, noise level, and installation requirements. I also paid attention to whether the model had features like remote control, multiple fan speeds, dehumidification, and a washable filter.

Choosing the Right Cooling Capacity

I learned that the cooling power of an AC matters a lot. If the unit is too small, it struggles to cool the room. If it is too large, it may cycle on and off too often. I made sure to match the BTU rating to my room size so I could get steady comfort without wasting energy.

Energy Efficiency Matters to Me

I always check energy efficiency because it affects my electricity bill over time. I looked for models with good efficiency ratings and useful energy-saving modes. For me, a unit that cools well while using less power is always worth considering.

Noise Level and Comfort

I prefer an AC that does its job without being too loud. Since I use my room for relaxing and sleeping, I paid close attention to noise levels. A quieter LG through-the-wall AC made more sense for my lifestyle because it helped me stay comfortable without constant background sound.

Installation and Wall Compatibility

I also had to think about installation. Through-the-wall AC units need proper wall sleeves and a suitable wall opening. I made sure my wall could support the unit and that the installation would allow good airflow. This step mattered because a proper fit helps the AC work safely and efficiently.

Features I Found Useful

Some features stood out to me more than others. I liked having a programmable timer, adjustable fan speeds, and a remote control. I also found a washable filter helpful because it made maintenance easier. These small features improved convenience in everyday use.

Maintenance and Long-Term Care

I wanted a unit that would be easy to maintain. I checked how simple it was to clean the filter and whether the design allowed for basic upkeep without much hassle. I know that regular maintenance helps the AC last longer and perform better, so this was important in my buying decision.

My Final Buying Tip

If I were choosing an LG through-the-wall AC again, I would focus on getting the right size, good energy efficiency, and a model with features that match my daily routine. For me, the best choice is not just about cooling power—it is about comfort, convenience, and long-term value.

Final Thoughts

I find that an LG through wall AC can be a smart choice if I want efficient cooling, a cleaner look, and a more permanent solution than a portable unit. My main takeaway is that choosing the right size, features, and installation setup matters most for getting the best performance. Overall, I think it’s a reliable option for keeping a room comfortable while saving space.

Author Profile

Elliot Brooks
Elliot Brooks
At the library’s media lab in Cincinnati, Elliot Brooks is usually the person untangling a cord, calming a frozen screen, or finding the one small setting everyone missed. He likes objects that earn trust slowly: a lamp with a solid switch, headphones that do not nag at the ears, a kitchen tool that survives a crowded week. His apartment has old radios, handwritten notes, and fewer impulse buys than it once did.

Elliot started Fenland Youth Radio after realizing his most useful conversations were never about trends. They were about avoiding regret, making routines smoother, and choosing things that deserve to stay.