2020 Review of the 8 Best 12,000 BTU Air Conditioner Units

Air conditioner units are the most ideal solution for all homes as they can offer an element of comfort and improved air quality throughout whatever room they’re placed in, therefore enhancing the wider living environment. When you search for a 12,000 BTU Air Conditioner, you ensure that you select the most common and better performing of models which can cope well with an average floor space of around 400 to 550 square feet in total.

The BTU is a crucial element of the air conditioner you choose because it ensures that you opt for the most effective and efficient appliance for your indoor living space.This measurement will consider how much cooling power your chosen model emits, alongside the average room size it can cater adequately to.

BTU simply stands for British Thermal Unit, and it is a standard measurement used worldwide when it comes to appliances that are associated with energy, air conditioning, power, and steam generation.

Below we look at a wide variety of those best rated 12,000 BTU Air Conditioner Units. Focusing on those appliances which are readily available online, here we take eight fantastic models and consider their features, benefits, and specifications in more depth.

This review looks at two window air conditioner units, two through the wall units, two portable AC units, and two ductless mini split air conditioners.

a) Best 12000 BTU Window Air Conditioners

1. Friedrich Chill Series CP12G10B Window Air Conditioner

Amazon sells a 12,000 BTU unit, which is a window air conditioner. This is a stylish, sleek and most efficient of AC units. This is all due to the brand name Friedrich, which is renown throughout the industry for its overall quality and ability, which are standard to this company.  Friedrich Chill Series Window Air Conditioner

Their Chill series provides a window air conditioner which is designed to cool those rooms with a total space of up to 550 square feet in total.

It features a very impressive auto air sweep feature in its construction. This means that the swing louvers will provide a consistent amount of total air distribution. Therefore, you can be assured here of cooling the entire room or those larger of open spaces as a result.

Amongst one of the highest rated of window AC units in their range, most of their models can also offer a variety of BTU capabilities, anything from 5,200 to 24,0000, ensuring they can cope with those lighter duty applications too.

With a 24 hour timer that lets you program its on and off times, a four-way air flow control, an auto restart which saves initial settings,and standard installation hardware included with your purchase, this is an ultra-quiet operator.

Featuring an antimicrobial air filter which can be washed for continued ongoing and healthy use all-round, this is an easy to maintain unit which can also be easily installed by yourself without the need for outside help.

An energy efficient model, this is not only Energy Star rated but it also offers you the chance to select a Money Saver Setting, thereby saving you money as it will only work to operate the fan when cooling.

By utilizing the included remote control here, you can make the room comfortable from anywhere you happen to be in it. This control will allow you to make all adjustments plus select from a selection of programs to use at your leisure.


2. Koldfront 12,000 BTU Heat/Cool Window Air Conditioner

Another 12,000 BTU Window air conditioner this time it’s the Koldfront WAC12001W model available to purchase online. Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool Window Air Conditioner

Once again, a renowned and respected name in the industry, this Koldfront model is both a heat and a cool window air conditioner that comes complete with a remote to enable easy and simple, access all-round.

Aiming to cover an area of around 450 to 550 square feet, this offers a four-way directional air louver operation to promote a more improved supply of free air to the room it’s placed in.

Perfect for those smaller of spaces, it is an eco-friendly model that it is an R-410 refrigerant model. This ensures that it won’t harm the ozone layer while promoting good air quality indoors.

There is also an energy saver mode present on this AC unit as well. This will work to ensure that not only does it maintain the set temperature throughout the operation, but it does so while improving overall efficiency.

There is a choice of three fans speeds here with an auto option as well, so you can operate this unit to match your individual preferences. This includes the ability to obtain a heating element should you wish, with a BTU here of 11,000.

By utilizing the electronic thermostat alongside its digital display, you have control over the many convenient features here, including fan speed, 24-hour timer access, and its energy saver mode.

This unit also boasts a check filter light, a sleep mode, and a thermostat controlled operating selection.

The sleep mode element here is not only an excellent way to save on energy and therefore costs, but it also has the added benefit of allowing you to periodically adjust the temperature of the room before it automatically returns to your set temperature after a total of six hours.

With installation hardware included as standard, this is a thoroughly easy model to install yourself without the need for additional outside help. It also comes complete with those all-important weather seals.


b) Best 12000 BTU Through the Wall 12,000 BTU Air Conditioners

3. Friedrich Wallmaster 12,000 BTU Wall AC

If it’s a through the wall air conditioner that you’re after, once again the popular industry choice Friedrich offers a solution here. This is their Wallmaster 12,000 BTU model which you can purchase directly from Sylvane. Friedrich Wallmaster Air Conditioner 12,000 BTU

Targeted for those who are looking to replace their old wall air conditioner unit, this is considered the most ideal solution.

Featuring a new design, it’s an improved version with many updates, making sure that you benefit from many more exceptional features than ever before.

Easy installation is possible with this unit, and this makes it the more common of replacement units for most of those out of date through the wall AC units many homes have. This can slide right into the existing or new sleeve, therefore is easy to install all by yourself without additional help.

Included in this new overall design are a programmable thermostat, a programmable timer, remote control and a fantastic Money Saver mode.

This is ideally placed for those homes looking to cool rooms with a standard space of up to 500 to 550 square feet in total.

A most powerful runner in operation it is great for those apartments that have yet to experience AC, ideal for home additions, bedrooms, and sun rooms, plus many more suitable areas of the home that would benefit from cooling air.

What’s great about this model is its simple operation throughout. This means you’ll get access to an easy to program thermostat which lets you find that most ideal of temperature. You’ll also have three fan speeds to match your requirements, a programmable 24-hour timer, a quiet but dependable rotary compressor and a dense blower operation which ensures any exterior noise is blocked out.

With your purchase, you’ll also receive a remote control which will allow you to make a change to your unit from across the room at your leisure!

The durable construction of this model is also a high plus point. It is made up of premium aluminum, therefore, offers a more robust exterior grille. This works to guard against those often unforgiving outdoor conditions. It also has an insect protect guard here too.

There are no side vents to worry about either here as all air will be vented out of the back of the unit. Therefore, it’s suitable for installing in those thicker of walls without losing any efficiency in the process.


4. Koldfront WTC12001W 12,000 BTU Through the Wall Heat/Cool Air Conditioner

Once again, the fantastic supplier at Koldfront offers a through the wall 12,000 BTU air conditioner and is available to purchase with ease online.Koldfront 12,000 BTU 208/230V Through The Wall Heat/Cool Air Conditioner

The WTC12001W model is not just an air cooling model, but also a heating unit as well, for added convenience.

Designed with the intentions of covering rooms of up to 450 to 550 square feet in total, it aims to provide 12,000 BTU cooling power and 10,600 BTU heating power when in operation. This most energy saving model also has an energy efficiency ratio of 9.5!

Offering a choice of three fan speeds here, you can also opt for an auto fan option to suit. This model also provides four-way air directional louvers.

During those warmer of months, this unit can cool the air in the room and eliminate that stuffiness that is often associated indoors during summer. Then when it gets to those colder of months, particularly mid-winter, it can then offer some relief in the wayof its electric heating power.

An easily installed through the wall unit, it is a most secure fit which will work to deter those pests while keeping both them and outdoor air at bay. A safe and securely designed air conditioner, it can be used in tandem with a durable through the wall sleeve which you can purchase in addition to this unit.

Some of the fantastic features of this model here include a sleep function energy saving mode. This allows you to adjust the temperature periodically, which will then return to the set temperature after a total of six hours.

In addition to the energy efficient sleep mode, there is also a function cycle here which works throughout the day to save both energy and costs. This is via its operation of putting the fan on for two minutes at ten-minute intervals. Then it will aim to turn the compressor back on, should the temperature of the room exceed that set temperature.

Featuring a handy and convenient remote control access as well, here you can also control your appliance from anywhere you choose to in the same room.


c) Best 12000 BTU Portable ACs

5. EdgeStar AP12000S Portable Air Conditioner with Dehumidifier

For a most accessible and portable of air conditioning units, EdgeStar offers a brilliant solution via their AP12000S model.EdgeStar AP12000S Portable Air Conditioner with Dehumidifier and Fan for Rooms up to 425 Sq. Ft. with Remote Control

This small sturdy and compact of designs is ideal for those rooms in the home where light relief is needed as this model can serve up to 425 square feet in total.

Working to cool the room quickly, it does so in the quietest of operations. This is an ideal unit for any room type as it is the least disruptive within a 52 dB low operation and just 54 dB at its highest!

The filter inside this model also works hard to not just provide much needed cooling air relief but does so while it removes possible air contaminants. This includes those things such as smoke, pollen, dust, lint and mold spores, to name but a few!

A thoroughly energy efficient appliance when in operation, it also boasts of a noticeably lower power consumption rate overall. This is when compared to that other portable of AC units. It does this through its impressive 10.0 EER, that is Energy Efficiency Ratio.

Therefore, you can practically run this model continuously throughout the day for around about just one dollar per day!

This efficient energy usage model is further enhanced by being able to set this appliance to come on only when it is absolutely necessary. You can also do this via the smart 24-hour programmable timer here. This timer will allow you to set your models cycle to automatic.

With dual filtration throughout, the filters here work hard to remove unpleasant odors from the air as well and can be washed to increase durability.

An easy to use kit, this is great for areas whereby you can’t install such units permanently and where window air units are restricted. Such is its portability, you can place the unit anywhere there is a place to vent the hot air and where there’s a standard electrical outlet to access.

Furthermore, when this unit is not needed, you can simply move it and store it away.


6. Honeywell 12,000 BTU Portable Air Conditioner

Another fantastic and thoroughly practical portable air conditioner, this is the Honeywell mobile model which you can purchase from Sylvane. Honeywell 12,000 BTU Portable Air Conditioner

A thoroughly modern and sleek version, this is available in three fantastic colors and would look great in any home it’s placed in.

This is an ideal solution for those medium to large sized rooms of the home, offering a cooling air solution to 400 square feet spaces in total.

Here you can access a fantastic choice of three operating models and three fans speeds. The multiple operating modes allow you to select from low, medium and high speeds, as well as offering an auto mode whereby the AC will choose the right level of speed simply based on the room’s specific temperature.

Also, here, you can opt to have your model behave as a fan or as a dehumidifier. The fan only selection is ideal, for those days whereby cooling isn’t necessarily needed, but you want to keep the room comfortable and less stuffy.

The dehumidifying mode is then ideal for those times when your room has excess moisture that you can feel present in the air. This is often most problematic in places such as basements. Using this model, you can remove as much as up to 70 pints of moisture per day.

The Honeywell also offers an intelligent continuous drainage option. This means that as your appliance works hard to cool or even dehumidify, it will remove excess moisture from your living space, which will continually drain automatically. This ensures you don’t have to look out for the warning light to notify you every time it’s full and therefore empty it yourself all the time.

Featuring additional benefits here, you’ll also find all the installation materials needed in your purchase to get your model up and running within an hour. Along with a programmable timer to select the unit to work whenever you want it to, you’ll find a thoroughly portable mode to enable you to move it room to room and an accurate digital display to access precise temperature control.

Included with your purchase of the unit itself, you’ll also find a window kit, a remote control and owner’s manual.


Best 12000 BTU Ductless Mini Split Air Conditioners

MIni split air conditioners generally considered space saving units that are perfect for home renovations, rooms with limited window space, apartments, and homes without central HVAC systems.

7. Senville 12000 BTU SENL-12CD Mini Split Air Conditioner Heat Pump

Senville offers a great mini split air conditioner which gives you the opportunity to both heat and cool your home, all the year round! Senville SENL-12CD Mini Split Air Conditioner Heat Pump, 12000 BTU 19 SEER

This model is designed using some of the most advanced technology, including inverter technology. Though, it’s worth noting that due to its high specification and performance capabilities, it will need to be installed by a professional. It does however come complete with a wiring harness and 16-foot line set.

This is an air conditioner and heat pump which works to provide you with the most efficient way of giving your home complete climate control.

From a company who have been in the profession of cooling and heating homes and businesses for over ten years, Senville offers as LETOP series model here which equals a more affordable as well as efficient way to cool and heat your home environment.

This may be a mini-split model, but it also serves as the ideal way to add a permanent air conditioner to your home.

Utilizing a fantastic four in one design, here you’ll be able to access from a selection of choices including heating, air conditioning, dehumidifying, and fan functions.

An ultra-quiet performance, when this is running, you most probably won’t even notice due to its incredible whisper quiet operation technology that’s utilized throughout. This makes it great not just for regular functioning rooms but also for those rooms such as bedrooms and commercial applications.

With a remote control included here to ensure programming and operating this unit is straight forward and simple to access, this consists of a low ambient element. Therefore, you can work to cool and heat your room even in those temperatures that are as low as 5 degrees F.


8. Mitsubishi 12,000 BTU Ductless Mini-Split Heat Pump

Our second mini split air conditioner is available to select from Mitsubishi and is an excellent appliance which you can install in your home to get the maximum of cooling and heating benefit from – all without the need to have to install expensive ductwork to achieve such results! Mitsubishi 12,000 BTU Mini Split Air Conditioner with Heat - outdoor

A single zone product, when you purchase this Mitsubishi air conditioner, you’ll find the condenser itself, an indoor wall mounted air handler and a remote control.This is alongside a handy owner’s manual and installation instructions.

It’s worth considering beforehand though that this model will need to be installed professionally by a licensed HVAC technician.

This is an all year round model which has a high season energy efficient ratio which provides cooling, heating, and dehumidification to single zones and all at reduced cost throughout.

Whether you utilize cool mode, heat mode, dry mode or auto mode, you can do all this through its energy saving system. This relies on inverter technology which encourages a constant maintained running operation, as well as an Econo cool mode which allows you to set the temperature that little bit higher but without needing to compromise on your comfort levels.

A wireless remote control is included to further the ease of operating this device, while you can also access numerous features here such as an automatic restart, a quiet operation, a 24-hour timer, hot start and a smarter option all round.


Final Thoughts on Best 12,000 BUT Air Conditioner Units

These are some of the best rated and most efficient of 12,000 BTU Air Conditioner Units in the market, from leading sellers.

As you can see from these reviews, regardless of your room type or your preference for model type, there is an air conditioning solution to suit all needs.Therefore, no home, room or living environment should have to deal with stuffy rooms, poor air quality or reduced comfort ever again.

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