Top 10 Best 12K Btu Air Conditioners : Reviews & Buying Guide

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Buying a 12K Btu Air Conditioners seems like an easy job, but not everytime. There are hundreds of 12K Btu Air Conditioners available on the market from various producers, which is enough to confuse you. They are so similar in terms of performance, quality, longevity, and overall user experience that choosing a final buying decision may be tough. All you need at that point is a comprehensive buying guide to help you find the ideal 12K Btu Air Conditioners for your needs.

In this article, we will go over a few important points to consider about before buying a 12K Btu Air Conditioners. You can call it a proper review guideline for you which will cover pros and cons of your desired product including its sustainability, affordability, functions, and also practical benefits. There will also be a solid comparison of a few related products. As a result, you’ll be able to quickly select the best option for your needs. Let’s take a look at what’s going on inside.

Best 12K Btu Air Conditioners : Top 10 Picks

Last update on 2024-12-05 at 14:27 / Affiliate links / Images from Amazon Product Advertising API


10 Best 12K Btu Air Conditioners Reviews According To Experts

We tried to find the top ten 12K Btu Air Conditioners from thousands of different products in this section. This list will make you feel easy to get your desired 12K Btu Air Conditioners within a few minutes. We emphasized their usefulness, performance, durability, outlook, affordability, and previous user experiences. We are confident that this list of the top 10 12K Btu Air Conditioners will help you find the one that best fits your needs.

Bestseller No. 1
Keystone 12,000 BTU Window-Wall Air Conditioner with 11,000 BTU Supplemental Heating and Dehumidification, 230V, Window and Wall AC Unit for Living Room, Apartment, Medium Sized Rooms up to 550 Sq.Ft.
  • Reliable Window Unit Air Conditioners: Our powerful 12,000 BTU cooling capacity / 11,000 BTU supplemental heating capacity window air conditioner with remote control can efficiently provide comfort all year long for any large space up to 550 Sq.Ft.
  • All in One Window Air Conditioner: Enjoy powerful cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as primary heat source
  • Smart Remote: The I Sense remote takes the temperature of the room you are in, displays it on the remote's LCD screen and sends a signal to your air conditioner window unit every 3 minutes for accurate cooling
  • Powerful Cooling on a Budget: Our High Efficiency air conditioner for windows will give your electric bill a break by using the 'Energy Saver' or 'Sleep' mode
  • Space Saving Design: Save your floor space with this window ac unit; Window installation kit included
Bestseller No. 2
mollie 12000 BTU Window-Mounted Room Air Conditioner, Powerful Indoor AC with Multi-Speed Mode, Programmable Timer, Cool up to 450 Sq.Ft.
  • Fast Cooling - Our 12000 BTU AC unit offers consistent, quick and highly effective cooling for rooms up to 450 square feet. Perfect for bedrooms, offices, playrooms, cabins, living rooms and apartments. Can operate in the form of a dehumidifier when in dry mode and includes fan-only function. This air conditioner fits snugly into windows with easy installation & mounting hardware.
  • Multifunctional Window AC - Whether it’s efficiently cooling a room through the COOL mode, reducing humidity for your comfort through the DRY mode, or getting rid of stale air through the FAN mode, this unit has it all and more! Easily create the perfect environment and take advantage of other features such as the 24 hr timer, Eco, Sleep.
  • Keeps Room Cool - No matter the weather outside, this superior window unit AC runs at 4 levels: auto, low, medium and high to ensure optimal indoor relief. This luxury air conditioner for window comes with a full function remote control, digital display and adjustable thermostat control. You control your room’s temperature in the range of 61˚F~88˚F.
  • Window Type - 12000 BTU energy efficient window AC unit for 110V/120V electrical outlets measures 19.5 inches long x 15 inches high x 21.5 inches deep. Ideal for windows for windows measuring between 26 - 36 inches wide, and at least 16 inches high. Adjustable side panels that minimize air leaks and ensure that cool air remains in the room.
  • Washable Filter - Includes reusable washable filter that can be easily cleaned with warm water and dish soap, or vacuum cleaned with dust buster (if hand washing, please allow to filter dry thoroughly before re-installing). Clean filter regularly to enjoy optimum cooling power.
Bestseller No. 3
12k BTU 19 SEER MrCool Advantage Ductless Heat Pump Split System 3rd Generation - 230v
  • 12,000-BTU Split System: The MRCOOL 230-Volt Advantage Series features 12,000 BTUs for reliable temperature control. This ductless heat pump system is ideal for heating and cooling spaces up to 500 sq. ft.
  • Installation Details: With this ductless mini-split inverter system, installation should be performed by an HVAC Technician
  • Heating and Cooling System: Combines both heating and cooling functionalities, making it a versatile solution for various indoor spaces
  • Reliable Operation: Comes with a flared line set and requires a 230-volt electrical connection for operation, making it a reliable and powerful choice for your heating and cooling needs
  • Full Control: This system works with your digital assistant and comes with access to the MRCOOL Smart HVAC Controller module and app, which is compatible with Google Assistant and Amazon Alexa
Bestseller No. 4
MrCool Easy Pro 12k BTU 18 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset
  • 16FT Pre-charged Line Set Included
  • Follow Me feature
  • Sleep mode
  • Washable filters
  • 1 year Compressor warranty
Bestseller No. 5
Bestseller No. 6
Magshion Window Air Conditioner 12000 BTU, Wi-Fi Enabled or Remote Control, Cooling for Large Rooms up to 450 Sq. Ft., 12K BTU Window AC Unit with Easy Install Kit
  • Efficient Cooling: Up to 450 sq. ft. cool and comfortable with 12000 BTU air conditioner window unit that quickly cools down your living room or apartment.
  • Versatile Use: Get the most out of your air conditioning with our multifunctional window AC. With 3 modes - COOL, DRY, FAN, ECO, AUTO, SLEEP - and additional features such as the 0.5~24 hr timer, you can create the perfect indoor environment with ease.
  • App & Remote Control: Keep your room at the perfect temperature with our energy-efficient Window AC. With four levels of operation and a range of 61˚F~88˚F, you'll always have optimal indoor relief.
  • Our Window AC is designed to fit perfectly into your window, with adjustable side panels that minimize air leaks and ensure cool air stays in the room. Measuring 19.5" long x 15" high x 21.5" deep, it's ideal for windows between 23 - 36 inches wide and at least 16 inches high.
  • Quiet operation: Relax with ultra-quiet operation that provides a low noise level of 55-59 dB, creating a soft white noise perfect for watching TV, reading or sleeping.
Bestseller No. 7
COSTWAY 12000BTU Mini Split Air Conditioner & Heater, 17 SEER2 208-230V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC w/Heat Pump(Blast Series)
  • [Energy Efficient Cooling & Heating:]This AHRI Certified pre-charged ac unit is equipped with a high-power compressor and a 1-ton heat pump. It uses innovative inverter technology to change the power frequency without frequent opening and closing of the compressor, thereby improving energy efficiency. In addition, it also has an automatic defrost function, which can prevent damage and further improve energy efficiency.
  • [Multiple Working Modes to Choose From:]The 12000 BTU air conditioning unit offers 5 working modes (auto, cooling, dehumidifying, heating, and fan mode) to meet different seasonal and environmental needs. Additionally, it has 4 fan speeds, sleep mode, ECO mode, iFEEL, and turbo function, providing a more comfortable user experience.
  • [Easy-to-Use Remote Control and Timer:]This spilt mini AC comes with a remote control, allowing for easy control of various functions. Additionally, it has a 0.5-24 hour timer that can be set to turn the unit on and off according to your needs. When the remote control is not in use, its display screen will automatically turn off, ensuring it won't disturb your sleep.
  • [Self-Cleaning Function:]This air conditioning unit has a self-cleaning function, which can automatically clean the interior at a temperature of 134.6°F, ensuring the unit stays clean and hygienic. This function is very practical, as it can reduce maintenance costs and extend the life of the air conditioner.
  • ️COSTWAY's superior quality and design are backed by an industry-leading manufacturer's warranty. This warranty covers 5 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on our products for years to come. In addition to this, the installation of this equipment should be done only by a Licensed HVAC Installer.
SaleBestseller No. 8
JustSmart 14,000 BTU Inverter Portable Air Conditioner with Hose, Dehumidifier, Heater, Smart Inverter Portable AC Units with Remote, LED Display, 24 Hrs Timer, 42dB, AC Unit Window Kit
  • Cooling & Heating: This Inverter Portable Air Conditioner features a potent ASHRAE rating of 14,000 BTU (9800 BTU SACC standard) and 10000 BTU Heating Capacity. and cools or heats a room up to 750 square feet with a temperature range of 64℉/ 18℃ to 90℉/ 32℃. It is ideal for hot summer or cold winter or any room with poor ventilation. Suitable for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms.
  • 4in-1 Function Portable AC Unit: This portable AC unit is designed with strong functions: cooling, heating, 3 fan speeds give you control over your comfort, self-evaporate system, sleep mode, low nosie (42db) ,24-hour timer, auto-restart, water-full indicator, built-in powerful dehumidifier removes up to 78.5 pints/day, dries your space quickly.
  • Smart Remote Control: This smart Inverter portable air conditioner is equipped with a 24-hour programmable timer and an adjustable thermostat (64°F to 90°F) for easy control through the LED panel and a convenient remote control. It also features a "follow me" function for smart temperature control and includes thermal overload protection for enhanced safety and peace of mind, These are energy-efficient modes help save money while providing a relaxing and restful environmentduring the summer.
  • Easy to Move: This small Inverter air conditioner with 4 360° wheels and 2 handles, allowing you to move easily from room to room. You have the flexibility to put this portable mobile inverter air conditioner anywhere in your bedroom, apartment, office, living room, RV, and garage to enjoy cool comfort anytime, anywhere.
  • Package Contents : The package includes 1 Portable AC Unit, 1 Remote Control, 1 Exhaust Hose, 1 Window Vent Installation Kit (window slider kit), 1 Drain Hose, and 1 Power Adapter.
SaleBestseller No. 9
Mini Split Air Conditioner & Heater,12000 BTU Wifi Enabled 208/230V, 21 SEER2,Mini Splits Heating and Cooling,Wall Mount Ductless Inverter System, Compatible with Alexa, with Installation Kit
  • Full Installation Package: Coming with two cartons, one contains indoor unit components, the other contains outdoor unit components, including all the necessary mini split AC unit accessories and minor items like straps and putty
  • Intelligent Functions: The ductless air conditioner is designed with various smart functionalities, such as powerful cooling & heating (TURBO), sleep settings, energy-conserving mode, iFEEL mode, and Health mode
  • Quiet Operation: Especially added sleep mode, the heat pump AC will only produce a very small sound of 22 decibels, lead you falling into a deep sleeping. Moreover, screen off function will also create a dark environment for your better sleeping
  • Energy Efficiency: Working by advanced inverter technology, the integration of mini splits functions optimally to reduce energy wastage and maintain the stability of room temperature
  • Easy cleaning: The wall mounted air conditioner has the ability to remove small particles from the evaporator and eliminate moisture from it. Moreover, the filter is designed in a special way and can be effortlessly taken out and cleaned manually
Bestseller No. 10
Della 36K BTU (12K 12K 12K 12K) ODU Quad 4 Zone Mini Split Air Conditioner Works with Alexa, 19 SEER2 208-230V Cools Up to 2200 Sq.Ft, Wifi Energy Efficient Multi Zone Pre-Charged Heat Pump Full Set
  • [AMPLE COVERAGE] This unit works with Alexa, provides cooling and heating for up to 2200 Sq. Ft (4 indoor unit recommended area 550 Sq. Ft) and able to work in environments as low as 5 degrees Fahrenheit. Full installation kit included. (This model does not support the Self-Cleaning Function. The option will still show on the display after pressing the self-cleaning button, the self-cleaning operation will not be performed.)
  • [MULTIPLE ROOMS] Enjoy individual temperature controls in each room for ideal climate control. Comes with 4 indoor air handlers 12000 BTU + 12000 BTU + 12000 BTU + 12000 BTU with separate controller for individual rooms and 1 outdoor condenser. Maximum Fuse Size is 25A. 4 pcs 16ft copper pipes lineset (Standard size 1/4" & 3/8" outer dimension), 4 pcs 6.56ft outlet drain pipe (inner/outer diameter size: 15.5mm/16.9mm) and 4 installation kits included.
  • [QUIET OPERATION & INSTALLATION] Line-set vacuuming is required during installation. This air conditioner is ultra silent at only 41 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes. Any alteration of line-set length requires adjusting freon levels.
  • [ENERGY EFFICIENT COOLING] Della 4 Zone 36000 BTU/h, 19 SEER, 208-230V, ETL Listed, AHRI Certified pre-charged air conditioner unit features a mini split inverter plus system with a heat pump (up to 5℉/-15℃) and DC Inverter technology provides up to 30% power savings.
  • [STRONG SYSTEM] This air conditioner is designed with several smart functions that make it easy to use: eco energy saving mode, 4D air flow(up-down left-right), I feel mode, 24 hour timer, sleep mode, multiple fan speeds, turbo function, heating, cooling, dry and auto modes.

Last update on 2024-12-05 at 14:27 / Affiliate links / Images from Amazon Product Advertising API




Things To Consider When Buying 12K Btu Air Conditioners

It is impossible to ascertain everything about anything as a human being. It is impossible to be an expert in every field. In that case, going through a proper buying guide can save us from being fool after purchasing a 12K Btu Air Conditioners just because of not knowing properly earlier.

You do not have to be an expert on that specific product in order to purchase it. Just focus on a few key points that we’ll go over later. Taking these simple considerations into account may make your shopping experience more pleasant and straightforward. Let’s get started.

Understand what you require.

The very first thing to discover is your needs or requirements. If you are not properly informed of your demands, there is a big chance that you will purchase the incorrect things at the wrong time and waste a significant amount of money. So, first and foremost, we recommend that you carefully consider your requirements when searching for a 12K Btu Air Conditioners. Simply make a short list of your requirements. This simple task will lead you to simplifying your purchasing process. Then you will be able to know your prioroties which is the most important thing.

Budget vs Pricing

Before you decide to buy anything, one of the most important issue to think about is budget. Your desired product can be asked any amount of price by it’s seller and producer. That depends on different expences like raw material purchasing, manufacturing, transportation, operational costs and their brand value playes a huge role there. You need to be prepared to spent the higher amount of money if you demand for the higher quality in your product. Budget is so important for this cause. This is almost a universal truth and your 12K Btu Air Conditioners also fall into it.

There is a popular proverb in our society, “Cut your coat, according to your cloth”. First of all, you can find out those products on the internet which you actually want. Look carefully their features and prices. With your deep observation, make a proper comparison among them and select one that you need. Now make a question inward your mind that you are really financially capable enough to purchase that specific 12K Btu Air Conditioners or not? If the answer is yes, then go for it. You may think about the second best option if your answer is no.

Select the Best Brand

Because of our emotional attachments, we are frequently predisposed toward certain brands. This practice yields positive results at times and negative results at other times. However, there is no way to argue with the concept of relying on well-known brands. Because having enough cash in your pocket makes making decisions half as easy. But one thing remains, if you are not 100% sure that your brand of choice makes the best product that you are seeking for. So you have to be very carefull when you are choosing any product if it is the right product from right brand.

People are divided into two groups. One is fully reliant on a single brand, while the other seems unconcerned. All he requires is the appropriate goods for the price he is paying. May be we are not aware of the category that you belong to.However, there are a few pointers that may be useful to both of you when it comes to selecting the correct brand for the right product.


  • Make sure in this case that you are well-versed in the brand.

  • What people are saying about this brand.

  • What is the average rating for that brand’s specific product?

  • Contrast the features with those of competitors.

  • Does these features meet your necessities?


Analyze the Features Section.

Whether you buy it online or offline, the first thing you should check is while buying is the features of 12K Btu Air Conditioners. This is the best way to know about a product and get a clear concept. You will be able to understand, that product will match with your requirements or not.

The features section also helps us in swiftly identifying the differences with others. Then, using the features, you can compare it to similar products. If you do so, it will be much easier to reach to the final decision because you will be able to understand about the quality here.

Consider the benefits and drawbacks.

Every item has its own set of advantages and pitfalls. It is our job to thoroughly inspect them before purchasing them. So, stay cool, and find out the drawbacks which you demanded from that 12K Btu Air Conditioners. Maybe some other manufacturer made the perfect one for you. Just don’t be too lazy to compare your options to theirs before making your final decision.

Pros and Cons sections can be found on most websites. Take your time reading that part. For asking more you can contact them via email or phone.

Quality and performance

Color, Style, Performance, Materials, and, most importantly, Durability are all factors that contribute to quality. When you are buying anything, be carefull to check those quality related issues. We think you are actually paying the money for this. Do you think this 12K Btu Air Conditioners is worthy enough against the investment you did? It completely depends on the quality that you are going to experience.

Know About Warranty and Return Policies

A lot of manufacturers are making products. A good amount of them are maintaining high quality as well. To make us known about those products, they make also creative advertisements. Everything is fine. But then arrives the matter of Warranty and After Sales Service. For many, it’s really a big deal and it is quite able to make a big difference.

Don’t forget to check the facts like warranty, guarantee, and obviously the return policy if there any. Nobody can claim that nothing will happen, no matter what the quality of that product is. Nothing lasts forever. But a minimum return of value you can expect from the 12K Btu Air Conditioners you are going to pay for. So, be careful about checking policies. You may get some companies who are so clever that they try to make people puzzled with their obscure and mystical policies. In that case, don’t hesitate to contact with their representative and ask about what you want to know.

Checking FAQs and Customer Reviews makes your job easier.

If you want to save your time precisely, then checking FAQ anwers and customer reviews can be utile for you. There are few common questions people asked before and they are answered as well is called the Frequently Asked Questions or FAQ. On the other hand, you will get a real life experience through the customer reviews in which they share their sotries about the product.

If you want to get a clear idea of both, checking out those two things are must. You may find there such informations which might not come in your mind to ask if you didn’t go through. You will be able to decide whether this 12K Btu Air Conditioners will come handy or not without any hesitaton.

Final Thought

One last word, don’t forget to consider the price you are paying for the 12K Btu Air Conditioners is logical enough against the value it is providing to you. Have you been able to gratified with that? Can you be able to fullfill your demands with that? That’s the thing that should get the most importance we guess.

Hope you have enojoyed this whole article which was actually a buying guide that will lead you to buy the best 12K Btu Air Conditioners. All the efforts we put here will get success when you will find this even a little bit of useful for you. At the end of the day, your satisfaction matters most to us.

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