The best 12000 BTU mobile air conditioners in the UK 2023

Heat waves are a yearly occurrence and to prepare for them, you need to invest in an efficient, practical and effective air conditioning system. If you have a treatable area between 25 and 35 square meters, a 12000 BTU mobile air conditioner seems to be the best device for you. But among so many models available, which one should you choose? Follow the guide!

Suntec ADVANCE 12.0 Eco R290 1
9/10

Editor's Choice

Suntec ADVANCE 12.0 Eco R290

The best 12000 btu mobile air conditioner in 2021

The ADVANCE 12.0 Eco R290 air conditioner is very popular for its multi-functionality. It can cool, dehumidify and ventilate an entire room. This model is particularly recommended for rooms that are difficult to ventilate, hot and humid.

440 £ on Amazon

The ADVANCE 12.0 Eco R290 air conditioner from Suntec Wellness is a popular mobile air conditioner because of its versatility, as it can also be used to dry laundry quickly. With a cooling capacity of 12,000 BTU/h and three fan capacities with an airflow of up to 380 m³/h, this model is suitable for rooms up to 60 m² or 130 m³. Also, it is environmentally friendly, as it is free of toxic or harmful substances. So you can use it without fear for private use.

Thanks to the closed cooling circuit, this device can be used for a long time and does not need to be changed. With a weight of 32.9 kg and a size of 37 x 47.5 x 71 cm, it is easy to install. And thanks to its handy wheels and handle, this unit can be moved easily from one room to another. With a 24-hour programmable timer, the ADVANCE 12.0 Eco R290 mobile air conditioner is a great help in hot weather.

KLARSTEIN Iceblock Prosmart 12 2
8/10

Best cheap

KLARSTEIN Iceblock Prosmart 12

The best 12000 btu mobile air conditioner in 2021

For a cool interior in summer, the KLARSTEIN Iceblock Prosmart 12 air conditioner promises ease of use. It seduces with its 3-in-1 efficiency and can act as an air cooler, fan and dehumidifier.

360 £ on Amazon

We can say that this mobile air conditioner is a multifunctional model. As an air conditioner, it cools rooms from 35 to 59 m² in hot weather to pleasant temperatures between 16 and 31 ° C. It has 3 power levels. The dehumidifier function can be combined with or separated from the air conditioner function, effective against humid room air. It is also a pleasantly economical and ecological device, even in continuous use, since it has a powerful air conditioning compressor delivering up to 12000 BTU or 3.5 kW with energy efficiency class A.

The KLARSTEIN Iceblock Prosmart 12 is space-saving. It weighs only 24 kg and measures 33.5 x 71.5 x 44 cm. Using the Klarstein app and a Wi-Fi connection or its included remote control, you can easily control it from anywhere with a smartphone or tablet. Finally, its timer is programmable up to 24 hours in 1-hour increments. Equipped with several interesting features, the Klarstein Iceblock Prosmart 12 air conditioner guarantees you a perfect climate of well-being in the living rooms.

Olimpia Splendid Dolceclima 01922 3
8/10

Best high end

Olimpia Splendid Dolceclima 01922

The best 12000 btu mobile air conditioner in 2021

Treat yourself to a moment of relaxation and fight against the heat wave with the Olimpia Splendid Dolceclima 01922 mobile air conditioner. Powerful and compact, it is capable of satisfying your air conditioning needs during hot weather.

519 £ on Amazon

The Olimpia Splendid Dolceclima 01922 mobile air conditioner has a nominal heating capacity of 2.34 kW and a cooling capacity of 12,000 BTU/h. Also, it is equipped with a Blue Air Technology system that allows it to improve the diffusion of fresh air in the room for you to enjoy during the day and night. It can be used in rooms up to 90 m³. This model is part of the energy class A+ with an energy efficiency ratio EER 2.7.

It is an ultra versatile device. Apart from its fan and dehumidifier function, it also has other operating modes such as "Auto", "Night" and "Turbo". It works with a refrigerant gas R290 with a load of 0.24 kg and is equipped with a handle and wheels so you can move it easily. Finally, the Olimpia Splendid Dolceclima 01922 has a programmable timer of up to 12 hours.

KLARSTEIN Kraftwerk Smart 12 k 4
9/10

Excellent choice

KLARSTEIN Kraftwerk Smart 12 k

The KLARSTEIN Kraftwerk Smart 12 k is a very powerful and elegant air conditioner that can provide a perfect climate for living and working spaces in the summer. In air-conditioning mode, it delivers an effective power of 2.9 kW.

368 £ on Amazon
Buying guide • November 2023

Best mobile air conditioner 12000 BTU

Any specific needs?

The best 12000 btu mobile air conditioner in 2021

The best 12000 btu mobile air conditioner in 2021

The best 12000 btu mobile air conditioner in 2021

Your guide : Samuel

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Comparison table of the best 12000 BTU mobile air conditioners

Editor's Choice Inexpensive High-end Excellent
Suntec ADVANCE 12.0 Eco R290 5
9/10
KLARSTEIN Iceblock Prosmart 12 6
8/10
Olimpia Splendid Dolceclima 01922 7
8/10
KLARSTEIN Kraftwerk Smart 12 k 8
9/10
OUR SELECTION
Suntec ADVANCE 12.0 Eco R290
KLARSTEIN Iceblock Prosmart 12
Olimpia Splendid Dolceclima 01922
KLARSTEIN Kraftwerk Smart 12 k
The ADVANCE 12.0 Eco R290 air conditioner is very popular for its multi-functionality. It can cool, dehumidify and ventilate an entire room. This model is particularly recommended for rooms that are difficult to ventilate, hot and humid.
For a cool interior in summer, the KLARSTEIN Iceblock Prosmart 12 air conditioner promises ease of use. It seduces with its 3-in-1 efficiency and can act as an air cooler, fan and dehumidifier.
Treat yourself to a moment of relaxation and fight against the heat wave with the Olimpia Splendid Dolceclima 01922 mobile air conditioner. Powerful and compact, it is capable of satisfying your air conditioning needs during hot weather.
The KLARSTEIN Kraftwerk Smart 12 k is a very powerful and elegant air conditioner that can provide a perfect climate for living and working spaces in the summer. In air-conditioning mode, it delivers an effective power of 2.9 kW.
Weight
32.9 kg
24 kg
'-
31350 g
Dimensions
37 x 47.5 x 71 cm
33.5 x 71.5 x 44 cm
39.6 x 46 x 76.2 cm
35.5 x 82.2 x 38 cm
Auto timer duration
24 h
24 h
12 h
24 h
Power
3.5 kW
3.5 kW
2.7 kW
3.5 kW
Area treated
Up to 60 m² or 130 m³
From 35 to 59 m²
Up to 90 m³
From 35 to 59 m².

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Buying guide - mobile air conditioner 12000 BTU

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How to choose your mobile air conditioner 12000 BTU

You need to find a product that will work in the space you have, at a cost you can manage, while meeting all of your major needs. To find the 12000 BTU mobile air conditioner that checks all the boxes, be sure to consider all of these factors during your search.

#1 - The cost

This is the first criterion to consider when choosing. Air conditioners can range from around €150 to €800 for domestic versions and over €2000 for commercial units. The cost difference can be related to many factors, the main one being the power of the air conditioner. If you want a mobile air conditioner that will cool a large living room, expect to pay more than one designed for a small room.

Many mobile air conditioners also serve as heaters or dehumidifiers, and these additional uses will usually drive up the cost, as will additional features such as remote controls or programmable timers.

As with most products, go with a well-known brand to get quality mobile air conditioners that last a long time. While this may cost you more up front, it saves money without having to worry about buying a new one for many years to come.

#2 - The size

Some people buy 12000 BTU mobile air conditioners with the intention of keeping them entirely in one room. For others, the "mobile" part really matters and they want to be able to move their air conditioning unit from room to room. If you fall into the latter category, then it's important to choose an air conditioner that you can move easily. Be aware of both the size of the air conditioner and its weight.

And even if you're aiming to keep it in one place for the long term, you need to make sure it fits in that location. Measure the space to make sure the product specifications match. And ask yourself if you'll have to rearrange the room to make it work in the location you've chosen and whether or not that's a good fit.

#3 - The size of the room

For many buyers, the size of the air conditioner won't matter as much as the size of the space it cools. Most portable air conditioners don't cool an entire house or apartment, they are more useful for cooling specific rooms like a bedroom or living room. Manufacturers use BTUs to measure the power of their air conditioners. Generally speaking, the higher the BTU number, the larger the room an air conditioner will keep cool. For 12000 BTU mobile air conditioner models, they are mostly ideal for rooms up to 35 m²/90 m³.

#4 - The energy consumption

Depending on how you use a 12000 BTU mobile air conditioner, you may see an increase in the amount of energy consumed. If saving on energy costs is important to you, you should also prioritize finding an air conditioner with a programmable thermostat that will automatically turn off when your room reaches the set temperature. Be sure to keep your unit clean and well maintained, as any air conditioner that has to do more work due to poor maintenance ends up using more energy.

#5 - The ventilation

12000 BTU portable air conditioners exhaust hot air, which means you'll need to keep yours near a window. Most portable air conditioners come with a window vent kit and clear instructions on how to set it up. For the most part, they're all fairly simple to install, making them easy to move from room to room.

If you're hoping to keep your air conditioner in a location away from the window, check the maximum distance the window kit can extend. Some models have kits that will allow you more flexibility on where you place the air conditioner, but others will need to stay close to the window.

How portable air conditioners work

Portable air conditioners typically cool the entire room by absorbing warm air from the room, cooling it and circulating it throughout the room. The unit exhausts the warm air outside through a tube connected to your window. They are simple and easy to use. Portable air conditioners are an alternative to window units, although they are also much easier to install and are generally more compact, so you can move the unit from room to room without much effort.

12,000 BTU mobile air conditioner or conventional air conditioner?

Mobile air conditioner 12 000 BTU

Unlike a traditional window air conditioner, a 12,000 BTU mobile air conditioner is easier to move from one location to another using casters mounted on the unit or wheels attached to the base. Being mobile, it can be used in a home office during the day and moved to the bedroom at night. A mobile air conditioner allows for an extremely easy and hassle-free installation without screws or other mounting materials. Because each component resides in the same unit, these air conditioners tend to create more noise than other air conditioning systems.

Classic air conditioner

Most people use window air conditioners to stay more comfortable in their homes or offices during hot, humid summers. In extreme conditions, window air conditioners can protect the elderly and other vulnerable people from heat-induced health problems. Air conditioners are used in many commercial environments not only for increased comfort, but also to reduce heat stress on delicate machinery such as computers and to reduce food spoilage in grocery stores and restaurants. However, window air conditioners consume a lot of electricity.

Verdict

One of the most attractive features of a 12,000 BTU mobile air conditioner is that it is extremely easy to install. You'll receive a window kit through which you'll pass a small exhaust. This is how the heat removed from the air in your room can be vented. Some homeowners associations prohibit the use of these kits because some models are hung outside a window. Portable air conditioners have no parts that will protrude from your window and therefore will not violate these regulations.

Why buy a 12,000 BTU mobile air conditioner?

Simple cooling solution

This means you don't need to call an air conditioning service to get your air conditioner working. All you have to do is unpack, plug in the electrical switch and turn it on. This saves you from having to have a technician drill through the walls of your home and install the air conditioning. In the home, this is useful if you only need to cool certain rooms or if your space is limited and you don't need larger scale cooling. In open plan offices, a mobile air conditioner is great for cooling hot spots or more localized areas that need dedicated cooling.

Easy to move

The best thing about 12,000 BTU mobile air conditioners is the ease with which you can move them. This means that you can use your single portable air conditioner in all the different rooms of your home without any hassle. You don't need to call an air conditioning service if you want to place the unit in a new room. You can put it in your bedroom at night and easily move it to the living room when your friends are over the next day. You can place it anywhere it is needed.

Easy to store

Portable air conditioners can be hidden or stored away when you don't need them. If you feel that the air conditioner is ruining the look of your home, you can simply place it somewhere where it is not as visible. You can also store it elsewhere during the winter if you don't want it to take up space in your room.

Unit range

Portable air conditioners have a BTU British Thermal Unit rating that should be used to help you decide which unit to use for your given space. A higher BTU is appropriate for larger rooms. A 12,000 BTU portable air conditioner can properly and adequately cool a room, plus it doesn't have to run constantly.

Alternative and versatile cooling

Many motorhomes or caravans have unreliable cooling systems, if they have one at all. Whether your active lifestyle is a temporary vacation or a permanent residence, you'll want to be comfortable in your space. A mobile air conditioner offers a unique cooling solution perfect for small RV living spaces.

The best brands of 12000 BTU mobile air conditioners

In our opinion, the best brands of 12000 BTU mobile air conditioners in 2022 are :

Suntec Wellness
Klarstein
Olimpia Splendid
Tristar
Eurom

Suntec Wellness is a German family-owned company that has gradually developed into a European market player. Thanks to its attractive value-for-money models, the brand is now one of the leading suppliers of mobile air conditioning systems throughout Europe.

Klarstein is a German brand with its headquarters in Berlin. The brand markets a wide variety of home appliances as well as kitchen gadgets at competitive prices. With its selection of kitchen hoods, air purifiers, 12000 BTU mobile air conditioners and humidifiers, Klarstein is your best ally on a daily basis.

Olimpia Splendid is an Italian industrial group that was founded in 1956. Today, it is present in more than 45 countries around the world. Olimpia Splendid is one of the world leaders in air conditioning, heating, air treatment and hydronic systems thanks to its unique and highly innovative products.

Tristar is primarily an energy logistics company that also operates in the oil and gas industry. It operates in nearly 21 countries. It's the partner you need if you're looking for a reasonably priced, yet high-performance 12000 BTU mobile air conditioner.

Eurom entered the air conditioning market around November 1974 thanks to Jaap Bakker. Every year, the brand offers a wide range of models, always more beautiful, efficient, smart and powerful.

What is the price for a mobile air conditioner 12000 BTU

The diagram below will help you to get an idea of the typical prices for each price range (entry-level, mid-range and high-end).

However, more expensive does not necessarily mean better.

We therefore advise you to always consult our ranking before deciding, rather than blindly relying on price ranges.

Entry-level
300 £ to 450 £
Mid-range
450 £ to 600 £
High-end
more than 600 £
Price range diagram

Tips

Strategic installation

Be aware of where your 12,000 BTU mobile air conditioner is installed. If possible, try to avoid placing the unit in a very sunny area. If the sun's heat is weighing down your air conditioner, it will probably have to work harder to keep the room at the desired temperature. It's also a good idea to install and use your air conditioning unit in rooms with low humidity. This is because the higher the relative humidity inside the room and directly surrounding the portable air conditioner, the more condensation it will create.

Ventilation

Whatever type of 12,000 BTU mobile air conditioner you use in your home, ventilation will always be one of the most important factors in ensuring optimal operation and a long life for the unit. Proper ventilation will direct hot air from the compressor to the outside of the room. This will help keep your air conditioning unit from overheating and keep the temperature inside your room from rising.

Regular filter cleaning

It's probably pretty obvious to all homeowners, but the filter in your 12,000 BTU mobile air conditioner should be changed regularly. This is not only important to ensure proper operation and cooling, but is essential to maintaining the quality of your indoor air.

Straight drain hose

The drain hose on your 12,000 BTU mobile air conditioner ensures that the hot air leaves the room. To do this, it's important to keep the hose as straight as possible. If the hose has many kinks in it, it is more likely that the hot air will not drain out properly. This, in turn, compromises its ability to cool the room.

Unnecessary heat sources

When you use many other appliances in the room to be cooled, it has an effect on the performance of your 12,000 BTU mobile air conditioner. Electronic devices produce their own heat to some extent. Eliminate all unnecessary heat sources.

FAQ

What is a mobile air conditioner?

A mobile air conditioner, unlike window, wall or central air conditioning units, does not require permanent installation. Typically, these units have wheels for easy moving or transporting and are relatively light.

Do all 12,000 BTU mobile air conditioners need to be vented?

The answer is yes. Like any air conditioning system, the 12,000 BTU mobile air conditioner must be vented in some way. Mobile air conditioners draw in warm air, cool it, and expel the cooled air from the front of the unit and the remaining warm air and moisture from the back. It is this warm air and moisture that must be removed from the room you are currently cooling. The easiest and most popular way to ventilate your mobile air conditioning unit is to place it near a window.

What is the difference between a single-pipe design and a double-pipe design?

Some mobile air conditioners have a hot air exhaust hose and some have two air hoses, one for air intake and one for hot air exhaust. The choice between a single hose mobile air conditioner and a double hose mobile air conditioner depends largely on your personal preferences and the size of the space you want to cool. After all, both models work the same way, as they tend to use the same technology, but each has its own set of advantages and disadvantages.

What makes a 12,000 BTU mobile air conditioner different?

The main advantage is versatility. You can use the 12,000 BTU mobile air conditioner in any room with a window. It is perfect for spot cooling in rooms that lack adequate ventilation. When moving from room to room, you can easily roll the unit on the floor and take it with you.

Sources

Note: Below are some of the sources we have consulted in writing this article. Links to other sites are not continuously updated. It is therefore possible that a link may not be found. Please use a search engine to find the desired information.
  1. Best Portable Air Conditioners (2021) Top Personal AC Units, Islandssounder.com
  2. Best Portable AC in 2021: Top Portable Air Conditioners List, Vashonbeachcomber.com
  3. The Best Portable Air Conditioners to Keep You Cool in Any Space, Rd.com
  4. 10 Portable Air Conditioners Vetted 10 Different Ways, Nymag.com
  5. The 4 best portable air conditioners we tested in 2021, Businessinsider.com
  6. The 7 Best Portable Air Conditioners of 2021, Thespruce.com
  7. 10 Portable Air Conditioners For Surviving Record-Breaking Summer Heat Waves, Forbes.com
  8. The Best Portable Air Conditioner, Nytimes.com
  9. 7 best portable air conditioners of 2021 for your home, Nbcnews.com
  10. 9 Best Portable Air Conditioners of 2021, Goodhousekeeping.com
  11. 12000 btu mobile air conditioner at the best price | Leroy Merlin, leroymerlin.fr
  12. Amazon.co.uk : mobile air conditioner 12000 btu, amazon.co.uk
  13. Thomson mobile air conditioner 12000 btu at the best price ..., leroymerlin.fr
  14. Mobile air conditioner 12000 btu - Appliances on Rue du ..., rueducommerce.fr
  15. Amazon.co.uk : air conditioner 12000 btu, amazon.co.uk
  16. Mobile Reversible Air Conditioner 3500w/2500w 12000btu, airton.shop
  17. Best Mobile Air Conditioner 12000 btu : Reviews and Comparison ..., mnttech.fr
  18. Mobile Air Conditioner 12000 btu, how to choose in 2021, portaclim.fr
  19. Mobile Reversible Air Conditioner - Hy-clm12kr - 12000 Btu ..., but.fr
  20. Climatiseur mobile BEKO 12 000 BTU - Electro Dépôt, electrodepot.fr
  21. Climatiseur Mobile 12000 BTU - Techwood, sotech-international.com
  22. Table électrique: 12000 Btu surface, tableauelectrique.blogspot.com
  23. Climatiseur mobile 12000 btu - Compare prices for ..., leguide.com
  24. Climatiseur mobile 12000 btu h - Cdiscount, cdiscount.com
  25. Climatiseur mobile 12000 BRU powerful with remote control ..., euro-expos.com
  26. Climatiseur Mobile 12000 BTU on idealo.fr, idealo.fr
  27. Oceanic reversible air conditioner mobile monobloc 3530 w ..., cdiscount.com
  28. Climatiseur mobile 12000 BTU white - Technolux, eboutique-richardvisav.fr
  29. Climatiseurs 12000 Btu. ..., lesentimentparfait.fr
  30. Air Conditioner 12000 Btu - Technolux ..., cacheclimatisation.com
  31. Shinco Mobile Air Conditioner 12,000 BTU ~130 m³/ 60 m² ..., manomano.fr
See more

Updates

March 2022 : Translation of this buying guide from our partner meilleurtest.fr

See more
Our selection
Suntec ADVANCE 12.0 Eco R290 9
Suntec ADVANCE 12.0 Eco R290
KLARSTEIN Iceblock Prosmart 12 10
KLARSTEIN Iceblock Prosmart 12
Olimpia Splendid Dolceclima 01922 11
Olimpia Splendid Dolceclima 01922
KLARSTEIN Kraftwerk Smart 12 k 12
KLARSTEIN Kraftwerk Smart 12 k

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