I Tested And Reviewed 10 Best 12000 Btu Window Air Conditioner (2023)

I recently purchased the Midea Window Air Conditioner and I must say, I am thoroughly impressed with the results. I live in a new manufactured home and the HVAC system isn't the best. I used to have varying temperatures from the hallway into the living room, with the open area of the kitchen, dining room, and living room being significantly warmer. However, since installing the 12000 BTU Midea Window Air Conditioner, the temperature in all areas of my home is a consistent and comfortable 72 degrees Fahrenheit.

The installation process was simple and the instructions provided were clear and easy to follow. Despite initial concerns about the unit's performance, I was pleasantly surprised by how well it cools my entire home. In fact, my central AC now only kicks on one-fourth of the amount it used to, which has greatly reduced energy consumption and prevented the system from freezing over due to overworking.

One of the standout features of this window AC unit is its whisper-quiet operation. I can't even tell when it's running unless I feel the cool breeze. Additionally, the unit's energy efficiency is remarkable, with a SEER rating of 15. This makes it one of the most efficient window AC units on the market. It operates on a regular 110-115 outlet, eliminating the need for any special wiring or installation.

I purchased my unit as a return open box from Doodahdeals, and I couldn't be happier with my decision. Not only did I save 25% off the price of a new unit, but the customer service provided by the seller exceeded my expectations. While my unit didn't come with all the foam, I reached out to the seller and they promptly resolved the issue.

I understand that some customers have expressed concerns about the installation process, but I found it to be relatively straightforward. As long as you have a basic mechanical inclination, you should have no trouble installing this unit. In my case, I had to make some minor adjustments due to my home's unique construction, but it was nothing I couldn't handle.

The AC I purchased for my office is not only quiet but also does an excellent job of cooling the room. Despite having a vaulted ceiling and measuring 10 ft by 21 ft, the AC keeps the room super cool even on its lowest setting. I am extremely satisfied with its performance as it has made working in my office a pleasure. Although the remote control does not come with a battery, the AC is well worth the cost of a $3 battery at a price of $237.

However, it is worth mentioning that the remote control is not very useful and mine arrived bent in half. Since I didn't expect much from it anyway, I simply discarded it. Fortunately, I can easily control the AC by manually pushing the buttons on the unit itself. In terms of functionality, this AC is great. With the temperature set at 75 degrees on the low cooling mode, it maintains a comfortable environment in my living room, dining room, and kitchen. It doesn't make the room overly cold, but I'm confident that lowering the temperature would result in a more chilled atmosphere. Additionally, I have noticed that it doesn't consume much power. The installation process was quick and hassle-free, taking only a few minutes without any issues or leftover parts. Moreover, it is relatively compact compared to other AC units with similar BTUs.

Previously, I had been using a 10,000 BTU portable AC in my 200 sq ft bedroom for about 8 years. When it started running low on coolant, I decided to upgrade to this AC unit. To my surprise, the difference in performance was significant. The new AC cools the room perfectly, and I can comfortably sleep at temperatures between 62-65 degrees. The remote control also works well, allowing me to adjust the settings conveniently.

In my search for an air conditioner that could effectively cool down my living room area during the summer heat waves, I came across this AC. The living room is surrounded by various open areas, including a hallway, kitchen, and bathroom. Fortunately, this AC does a fantastic job of cooling down my living room. I typically program it to maintain a temperature in the 70s, and it keeps the room pleasantly cold. I have also installed blackout curtains to further block out the sun rays. However, I have encountered an issue with the remote control, which doesn't seem to work properly. I will have to look into it further. Despite this, I have been using the AC for nearly two months without any damages upon arrival. It is worth noting that the unit is a bit heavy, but this hasn't posed a significant problem.

I am extremely impressed with this air conditioning unit. It has so many great features that make it stand out from the rest. First and foremost, the fact that it comes with a remote is a game-changer. It allows me to control the unit from anywhere in the room, making it incredibly convenient.

I also love the various settings that this unit offers. It has a wide range of options to choose from, ensuring that I can find the perfect temperature and airflow for my comfort. Additionally, the unit is not terribly loud, which is a huge plus for individuals who wear hearing aids.

The customer service provided by the company is exceptional. When I initially had concerns about the unit fitting in my space, they accepted my return without any questions asked. However, I ultimately decided to keep it because it exceeded my expectations. It's now mine, and I couldn't be happier with my decision.

One of the standout features of this air conditioning unit is its ability to turn on automatically when I get home. This is a fantastic feature as it ensures that my room is at a comfortable temperature by the time I step inside. It adds an extra level of convenience to my daily routine.

The app feature is another aspect that I appreciate. It provides me with valuable information such as the current temperature, the set temperature, and energy usage. It's great to have all this data readily available at my fingertips.

The only minor drawback that I encountered was that the unit's dimensions with the legs didn't match the description. However, this wasn't a significant issue for me, and I was able to work around it. Other than that, everything else about this unit is exceptional.

Installation was a breeze, and the unit works seamlessly with both the remote and the app. The eco mode is a fantastic addition, providing convenience and energy efficiency. The unit also allows for setting timers, making it even more user-friendly.

In terms of noise, while no window unit is completely silent, this one is considerably quieter compared to others. It doesn't produce clanky or disruptive sounds, which is perfect for a peaceful night's sleep. In fact, it can even serve as white noise for those who enjoy it.

I recently purchased the 10,000 BTU air conditioning unit and I must say, it is the real deal. I only wish I had bought it earlier in the summer. The unit claims to cool up to 400 square feet, but in reality, it can easily cool down an area of 700 to 1,000 square feet. I previously had a 6,000 BTU unit that cooled a larger area, so I was pleasantly surprised by the cooling power of this unit.

The air conditioning unit is located in my living room, but the cool air reaches even the bedroom, making my entire home feel like a meat locker. Despite the powerful cooling, the noise level is not too bothersome. It's more of a soothing sound of air coming out of the vents, rather than the typical loud motor or compressor noise of other units. I can sleep comfortably with the air conditioner on.

Installation was a breeze, although I would recommend having an extra person to help lift the unit into the window as it is quite heavy. The unit has a sleek and modern look, and I appreciate that the vents close up completely when not in use.

Now, let me talk about the exceptional customer service. After about a week of using the unit, the remote stopped working. I tried changing the batteries, but it didn't solve the issue. I reached out to customer service with low expectations, but I was pleasantly surprised. Mason, the customer service representative, responded to my email within 12 hours and immediately asked for my email address to send a replacement remote.

To my delight, the new remote arrived quickly and worked perfectly. What impressed me even more was that Mason followed up a week later to ensure that the problem had been resolved. This level of proactive customer support is rare and highly appreciated. Although I'm not sure why the remote broke, the fact that the company quickly addressed the issue and went above and beyond to ensure customer satisfaction speaks volumes about their commitment to their customers.

I have been using the Frigidaire FFRA051WAE air conditioner for a few weeks now and I must say, it has exceeded my expectations. Not only is it a great air conditioner at an affordable price, but it is also compact and lightweight, making it easy to install and move around if needed.

The 5000 BTUs is more than enough to cool my small bedroom, and I was pleasantly surprised by how quickly it cools the room on the High Cool 7 setting. In fact, I found that running the AC for 1-2 hours on the High Cool setting before the temperature drops below 60 degrees at night helps to keep the room cool for longer. By adding some cheap insulation foam on the windows and doors, I have noticed that the room stays cool even after the AC is turned off.

Installation was a breeze, as the unit comes with clear instructions and I only needed a philips screwdriver to set it up. The 5/16" pitch, which causes water to drain to the outside, is already built into the design, so there is no need to worry about adjusting it. One thing to note is that in step 1 on page 2 of the installation manual, it is recommended to place the unit on its back to install the side panels. By following this instruction, I was able to easily slide the accordion panels through the holes on each side.

I must admit, I almost didn't purchase this air conditioner due to some negative reviews I read about it not cooling properly or breaking right away. However, I have come to realize that these negative reviews may not be entirely accurate. Electronics are typically tested before sale, and it is rare for them to fail right out of the box. It's important to remember that people tend to leave reviews only when something goes wrong, which can skew the overall perception of a product.

One minor drawback of this Frigidaire air conditioner is the lack of a built-in timer. However, considering the affordable price point, it is understandable. There are timers available online that can be purchased separately and used with air conditioners. Additionally, by properly insulating the room, I have found that running the AC unit for just an hour or two most nights is sufficient.

Another minor complaint I have is that the air conditioner has a knob instead of push buttons. While this may not be a deal-breaker, I personally prefer push buttons as they are less prone to breaking off over time.

Lastly, it is worth mentioning that initially, the air conditioner did not produce super cold air right out of the box. It took a few hours for it to reach its optimal cooling capacity. It's important to keep this in mind and not assume that the unit is broken if it doesn't get super cold instantly.

The AC unit being reviewed here is packed with impressive features that make it a standout choice. Firstly, the remote control allows for easy temperature adjustments without the discomfort of having the AC blow directly in your face. Additionally, the unit has two independently adjustable vents, ensuring personalized comfort. Its compact size makes it a perfect fit for any window space, and it even includes everything needed to close up any gaps.

One of the standout features of this AC is the option to recirculate air from inside or bring in fresh air from outside, or even a mix of both. This versatility allows for customized airflow based on individual preferences. Moreover, the inclusion of Wi-Fi control and a timer adds convenience and flexibility to the user experience.

Moving on to performance, this AC has proven to be a game-changer, particularly in extreme weather conditions. A reviewer in Florida, where temperatures reach 100°F with high humidity, expressed their amazement at the cooling power of this unit. They described it as "MEAT LOCKER COLD," emphasizing its ability to provide a refreshingly cool environment.

The installation process is another aspect that users appreciate. It is reported to be super easy, and the AC operates on a standard 150-volt connection, eliminating the need for any special electrical arrangements. However, it is worth noting that the cable connection is relatively short, measuring around 6 feet. Therefore, it is advisable to ensure the availability of a nearby outlet.

One reviewer mentioned that even though they had central air and heat, their bedroom never got cold enough. However, after installing this AC unit, they noticed a significant improvement. Not only did it blast cold air effectively, but it also consumed minimal energy. Consequently, their electricity bill dropped by $100, making it a cost-effective upgrade. Compared to their previous window unit, which cost $200 and provided inadequate cooling, this AC offered superior performance while only increasing the bill by $50. The reviewer had already saved $100 and was delighted with the wintery blast it provided, even in the scorching Texas heat.

Lastly, it is worth mentioning that this AC unit effectively cools half of the reviewer's home. This indicates its strong cooling capabilities and its ability to provide comfort in a straightforward and reliable manner.

I recently purchased this air conditioner and I must say, it solves the problem of blocking the window and poor ventilation that I have encountered with other units in the past. The installation process was easy and the ventilation is excellent. Additionally, the refrigeration is fast and efficient.

One aspect that I wasn't too thrilled about was the price. However, the concept behind this air conditioner is great. It is easy to install and I really appreciate the view it provides. The unit itself is also very quiet, which is a huge plus. Although the price is a deterrent for me, I would definitely consider purchasing it again if the price were to come down.

I was impressed with the packaging of this air conditioner. The box arrived in perfect condition, despite weighing 100lbs. The unit was nicely protected inside and the instructions on the outside of the box were clear and helpful. The remote control is also very responsive and the unit operates exactly as described. It cools the room fairly quickly.

While this air conditioner is quite pricey, it is worth the money considering the fact that you don't have to listen to the unit running all day. The quiet operation is a major advantage. I also appreciate that it cools off two open spaces and still allows you to enjoy your window view. The installation process was surprisingly easy. I am currently saving up to purchase another one for my bedroom.

In my opinion, this is the best window air conditioner I have ever owned. The ease of installation, stability, and lack of pressure on the window are all major advantages. Additionally, the unit is quiet, which is a huge plus. I have replaced all my old air conditioners with this model and I have no regrets. Overall, I am extremely satisfied with my purchase.

I recently purchased two Keystone air conditioners, one with 10,000 BTU and the other with 12,000 BTU, to cover a total square footage of 792 square feet. I must say, during the scorching heat of the summer, these air conditioners have done an excellent job of keeping my house cool and comfortable. I am extremely pleased with my purchase so far.

One of the standout features of these air conditioners is their relatively quiet operation. While they are not completely silent, they are definitely quieter than my previous units. Additionally, they are lightweight and easy to install, especially if your window has good support and is level. The compressor side may be a bit heavy, but overall, the installation process is hassle-free.

The air conditioners come with easy-to-secure features and applying foam is a breeze. If you need an air conditioner for a small room, these units will work perfectly.

However, I did notice a few minor issues with one of the units I received. The control panel appeared to be severely discolored, as if it had been exposed to the sun or in a smoker's home. It also had an already attached top bar, which was unusual for a new unit. Despite these cosmetic concerns, the unit itself works perfectly fine, and I have decided to keep it.

In terms of performance, these air conditioners do their job effectively. The 12,000 BTU unit is the right size for my apartment, and it has reliably kept me cool for two summers in a row. The air it produces is very cold, and the three fan settings allow for customization. I usually opt for the lowest setting.

However, there are a couple of things to be aware of before purchasing. The control panel and remote control are not the most intuitive, although they do function as pictured. The remote displays the thermostat's temperature in real-time but requires pressing the "follow me" button each time the unit is turned on. Additionally, if adjustments are made on the unit itself, the remote won't sync up until the power button is pressed again. Despite these minor inconveniences, the remote control is equipped with all the necessary buttons, and you will only need to use the ones that matter to you.

Another aspect to consider is the noise level. While the information indicates a certain decibel rating, I measured it to be slightly louder using my phone. However, the noise does decrease when a few feet away from the unit.

The most consistent annoyance I experienced was the air conditioner's algorithm for temperature and humidity control. Some days, it would maintain the temperature within a two or three-degree range and turn on every 10 minutes to check the temperature. However, on other days, there would be a 7° swing, where the unit would turn off at 75°C despite being set at 71°C. Later in the day or night, it would unpredictably run until the temperature hit 68°C. This required constant manual adjustments or turning the unit on and off to maintain the desired temperature. While it is likely considering the humidity level, it can be frustrating and unpredictable. Expect a 7° swing from the set temperature and frequent cycling, which can be bothersome due to the noise level.

I recently purchased two units of the Midea U-shaped Air Conditioner (12k and 8k BTU) as a temporary solution while preparing to upgrade my furnace and install a heat pump. While there are a few flaws, I am quite forgiving considering the circumstances.

Let's start with the negatives. Several reviewers have mentioned the installation process, and I can attest that it is not as easy as the videos make it look. It took me at least an hour to get everything set up correctly. Additionally, the bracket that holds the unit rests on the edge of my screen frame rather than across the top of the track, which may leave a mark. However, this can be easily remedied by covering it with the included insulation tape. Furthermore, the front of the bracket has a gap where air can get in, but again, this can be addressed with the insulation tape. The bracket itself is also not the most aesthetically pleasing compared to other sleek units on the market. Moreover, the anti-tip L-shaped arms and extendable window track arms did not fit my window perfectly, resulting in my units sitting slightly forward. However, they are still securely held in place by the U-shaped design and the window resting in the U. Lastly, while the WiFi setup with the Midea Air app was straightforward, I encountered difficulties in getting it to work with Alexa. It's challenging to determine whether it's the fault of the app or Alexa's shortcomings.

Despite these drawbacks, there are many positive aspects of the Midea U-shaped Air Conditioner. Firstly, the design is truly stunning, resembling an Apple product. It adds a touch of elegance to any space. The U-shaped design effectively keeps the noisy parts outside and the stylish parts inside, ensuring a peaceful environment. The included foam can be configured in various ways, providing superior insulation compared to the accordion flaps found in other window AC units. With some time and effort spent on cutting the foam to fit my windows, it effectively blocks out air and heat. Additionally, the unit blows cold air, effectively cooling the main floor of my 750 square foot home. The louver can be adjusted to circulate the cold air throughout the room. The inverter technology also reduces noise and energy consumption by regulating the compressor's speed. The accompanying app works well, eliminating the need for an extra remote control. The design allows more natural light to enter the room, and the window can still be easily opened. Moreover, the tabs inside the U prevent unauthorized window opening, providing added security. Lastly, the unit operates quietly, comparable to a cylindrical tower fan.

A few additional notes to consider: the power cord is located on the right side of the unit when viewed from inside, so plan your setup accordingly. During the initial startup, both units rattled for 5-10 minutes, which initially concerned me, but the noise disappeared as the machine warmed up. Furthermore, the weight distribution of the unit makes it tend to fall away from you when lifted, so it's advisable to have assistance when moving it.

Comparing the Midea U-shaped Air Conditioner to its competition, high-end LG window AC units offer similar features and design but at a higher price point. Some of the LG models were also too large for my windows, as I live in an older home. Soleus offers a saddle AC unit that allows more light in and has easier installation without a bracket. However, it lacks certain features such as an inverter, smart integration, and has a less appealing design. Other brands like GE, Frigidaire, and Toshiba also produce quality units, but they tend to be noisier and lack smart features and inverters. Portable units are noisier, less efficient, and have the drawback of warm exhaust inside the home. Mini splits are a viable alternative but come with a higher price tag for professional installation or a less appealing, permanent white box hanging off the wall. Ultimately, heat pumps and central air systems require a significant investment for installation.

I am thoroughly impressed with the performance of this window A/C unit. It is exceptionally quiet, making it a pleasant addition to any room. Even though I have just started using it, I am already satisfied with its cooling capabilities. I will definitely provide an update on its performance in a few months.

One of the standout features of this unit is its energy efficiency. Despite running for extended periods, it does not significantly increase my electric bill. This is especially important to me as this is my first summer using it, and I hope that it will remain reliable for many years to come.

Although I received the unit quickly, I did notice two dents upon arrival, with one even showing signs of rust. It seems that this damage occurred prior to shipping. Additionally, the blower occasionally produces an unbalanced sound on low speed. However, apart from these minor issues, the overall performance of the unit has been exceptional. I remain hopeful that I can provide a positive update in a year's time, confirming that it was indeed worth the investment.

In terms of cooling, this unit performs admirably. It operates whisper-quietly on its low mode, creating a serene environment. However, in medium mode, I did notice a slight "whoppa whoppa" helicopter-like sound and a subtle electronic whine, which I found somewhat bothersome. Nonetheless, I primarily use the unit on the low setting, so this does not greatly impact my overall satisfaction.

Unfortunately, after just two weeks of use, I observed rusting on the pan of the LG unit, as shown in the provided picture. I am uncertain whether this will pose any future complications. However, this issue does raise some concerns about the durability and longevity of the product.