Best 12000 Btu 2025

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Last Updated - 26.07.2025

Best Choice

01

DIMSTAL

12000 BTU 3.6 kW QuickConnect Ultra Split Air Conditioner + Heater ECO Smart WiFi Ready/Super Ioniser/Self-Clean/Follow Me Complete Set Quiet Includes 4 m QuickConnect Cables

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The annual working figure is the best characteristic value to evaluate the quality of a heat pump. Values between 3.5 and 4 are considered good. This system has a SCOP value of 5.1
SuperIoniser air enhancement, self-clean self-cleaning function at the touch of a button. Indoor and outdoor unit with golden fin lotus effect: always squeaky clean, high performance yield over many years! The special coating also prevents bacteria and fungi from settling on the slats. The air is healthy and fresh and no bad odours can occur, the performance of the system for many years at the highest level
Pre-filled with the latest R32. With the same heat exchanger surfaces, the performance figures of the system are significantly increased.
Powerful and very quiet and economical. DC full inverter system - original DIMSTAL - golden fin - lotus effect - intelligent - energy saving - antibacterial and durable. Works with 230 V household voltage. Energy efficiency class: cooling/heating = A++/A+++/A+ DC full inverter: the working speed of the inverter compressor motor is continuously and continuously regulated according to the system capacity requested.
Carefree complete set: 3.6 kW/12000BTU ULTRA Plus indoor and outdoor unit with golden fin coating, pre-filled with refrigerant R32, incl. 4 m quick connect copper cables + 4.5 m signal cable, including wall bracket with mounting material, remote control with illuminated LCD display, sealing compound for wall passage, electrical tape, instruction manual in German/English.

569,90 €
02

DIMSTAL

DIMSTAL 12000 BTU 3.6 kW Ultra Split Air Conditioner + Heater ECO Smart WiFi Self-Clean Super Ioniser Follow Me Complete Set Quiet Includes 3 m Cables

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The annual working figure is the best characteristic value to evaluate the quality of a heat pump. Values between 3.5 and 4 are considered good. This system has a SCOP value of 5.1
Self clean self-cleaning function at the touch of a button. Indoor and outdoor unit with golden fin lotus effect: always squeaky clean, high performance yield over many years! The special coating also prevents bacteria and fungi from settling on the slats. The air is healthy and fresh and no bad odours can occur, the performance of the system for many years at the highest level
Pre-filled with the latest R32. With the same heat exchanger surfaces, the performance figures of the system are significantly increased.
Powerful and very quiet and economical. DC full inverter system - original DIMSTAL - golden fin - lotus effect - intelligent - energy saving - antibacterial and durable. Works with 230 V household voltage. Energy efficiency class: cooling/heating = A++/A+++/A+ DC full inverter: the working speed of the inverter compressor motor is continuously and continuously regulated according to the system capacity requested.
Carefree complete set: 3.6 kW/12000BTU Eco Smart indoor and outdoor unit with golden fin coating, pre-filled with refrigerant R32, incl. 3 m copper cables + 3.5 m signal cable, including wall bracket with mounting material, incl. WiFi/WLAN smart kit (for location-independent control via free app), remote control with illuminated LCD display, sealing compound for wall passage, insulation tape, drainage. agaghose hose In German/English.

489,90 €
Value for Money

03

EUHOMY

EUHOMY Mobile Air Conditioning 12000 BTU with Exhaust Hose, 3-in-1 Mobile Air Conditioner: Cooling, Dehumidifying, Ventilating, 4-Level Fan, 410 m³/h, Energy Efficiency Class A, <50 dB, 24 Hour Timer

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15% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Flexible in any room: with 4 x 360° wheels and 2 handles, the mobile air conditioner can be easily rolled into the kitchen, home office or garden shed. The included window sealing kit (for 68-126 cm windows) is tool-free assembled in 10 minutes. Removable filters allow easy cleaning for long-term hygiene.
Energy efficiency class A and sustainability: the mobile air conditioner meets the highest environmental standards: with the environmentally friendly refrigerant R290 (lower greenhouse gas emissions) and A certification, it combines performance with sustainability - perfect for climate-conscious households.
410 m³/h for quick cooling: the air conditioner with exhaust hose offers 4 fan levels (410/360/270 m³/h + auto) and a 33°-90° swivel mechanism. The "hurricane mode" balances room temperatures in an instant, while the silent mode guarantees quiet stability. Automatic vertical/horizontal ducting avoids direct drag (perfect for desks or sofas), side focusing ensures "strong cooling without unpleasant airflows".
4-in-1 air management: one push of a button switches between cooling, dehumidifying, airing and sleep mode. Dehumidification mode: keeps 55% humidity in summer, protects against mould. Sleep mode: reduces noise to 49 dB(A) at night and gently increases the temperature to prevent cold. Smart functions: 24 hours. -T-Timer - -T-Timer accidental switching. Easy to use: Intuitive LED touch panel and remote control - also suitable for seniors and children
12,000 BTU ultra strong cooling performance: the mobile air conditioner with modern compressor technology delivers 12,000 BTU cooling power for rooms up to 25 m² (living rooms, bedrooms, offices). In turbo mode, it reaches a cool 16°C in just 30 minutes. Thanks to the wide temperature range (16-31°C) and ±1°C accuracy, it intelligently adapts to day-night fluctuations - ideal for sensitive areas such as children's rooms or hot gyms.

365,47 € 429,99 €(15% Off off)
04

LEADZM

LEADZM Mobile Air Conditioner 12000 BTU 1350 W, Room Size up to 117 m³ (43 ㎡), Air Conditioner with Exhaust Hose, Cooling, Ventilating, Dehumidifying

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[3-in-1 Function & Portable Life] The portable air conditioner has 3 function modes for you to choose: 12000/10000 BTU cooling, 56L/day/45L/day dehumidification and 3 wind speed fans, which can meet your different needs. In addition, the mobile air conditioner is equipped with an automatic defrost and an automatic restart after a power outage, making your life more comfortable.
Smart home control: the free mobile air conditioning app allows you to easily and conveniently control your air conditioner from anywhere. With the intelligent WiFi control and the included remote control, you can adjust your cooling settings so you always come home in a cool, comfortable place.
Easy installation: mobile air conditioner. The included window installation kit is easy to install and allows heat to escape from the back of the air conditioner. The exhaust pipe can be extended from 30 cm to 150 cm and the flexible connection plate fits most window openings.
ADDITIONAL FUNCTIONS: Mobile air cooler With additional dehumidifier and fan functions, this air conditioner ensures that you feel comfortable even on humid, humid days. The device starts to remove water from the air in dehumidification mode, 56 l/day/45 l/day and thus ensures fresh, clean air in your home.
3 modes and low noise - Our mobile air conditioner with 3 modes - cooling/drying/fan and equipped with a highly efficient compressor generation that reaches a low noise level (53-56 dB) to ensure that the environment is not affected at night.

251,88 €
05

Acekool

Acekool Mobile Air Conditioner, 12000BTU, 4-in-1 Mobile Air Conditioner with Sleep Mode, 24H Timer, Cools Room up to 450-550sqft for Large Room, Motorhome, Office, Temporary Room

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Sleep mode on air conditioning: Our air conditioner has a cooling area of up to 450 m² with an air flow of 370 m³/h. It can be automatic pendulum vibration by 90° and 60° auto to ensure a wide oscillation range. Self-evaporating technology, automatic condensate preparation without draining and washable filters. The sleep mode with 24-hour timer offers you to adjust the duration of the cooling to your lifestyle, creating a refreshing environment.
Optimal fresh air supply cooling through the fan: no exhaust hose required in fan mode and the device is mobile with its four wheels and side carrying handles, it can be easily moved to different rooms such as the living room or the office without damaging the floor. (Device can also be used without exhaust hose)
Mobile air conditioning: Please note: This product comes with a conversion head, the conversion head must be connected to the climate socket and then used! Please contact us if it is missing. This air conditioner comes complete with: window divider, exhaust duct, exhaust duct connection, connection for insulation plate, remote control with digital display.
Mobile air conditioning parameters: Energy efficiency class: A. Weighs only 26.8 kg and measures. 35.8 x 41.9 x 68.8 cm. Lightweight and mobile with four wheels. Cooling capacity: 12000 BTU/H. Noise level: = <65 dB. Temperature control range: 18℃-32℃/64℉-90℉.This air conditioner uses the environmentally friendly refrigerant R290 to cool the compressor, which is environmentally friendly and energy-saving.
Flexible installation and portable design: our mobile air conditioners come with a window set, the 1.5 m exhaust hose ensures optimal ventilation and efficiently dissipates hot air. This ensures individual comfort in any room. If you are not satisfied with the mobile air conditioner or have other questions, please feel free to contact us. We will do our best to solve your problems so you shop with confidence and gain experience.

329,99 €
06

Shinco

SHINCO Mobile Air Conditioner with Exhaust Hose, 12000BTU, 3.5 kw, Cooling & Ventilating & Dehumidifying, Mobile Air Conditioner with Window Mounting Kit, 24-Hour Timer, for Rooms of About 90 m³

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quick installation: you need a window (move a window or a sliding window) to dissipate heat from the room. The kit contains the exhaust hose and the window kit (window seal plate and sealing cloth) and requires no additional tools for installation. Installation is simple and can be done in 5-10 minutes. If you have any questions, please contact Shinco support. We will reply to you within 24 hours.
Easy to use: Shinco 3.5 kW mobile air conditioner is equipped with an intelligent LED panel and a fully functional remote control to easily change the time, temperature and mode. Four wheels and built-in handles can help you move the portable air conditioner effortlessly from room to room.
Easy to clean and R290 refrigerant: the rear filter can be easily removed for easy cleaning to ensure that every breath is as fresh as always. R290 is a natural, freon-free, environmentally friendly and low-carbon refrigerant that protects the ozone layer and brings new experiences in terms of sustainable life. WEEE no. DE 56142314
3-in-1 function: Shinco 3-in-1 mobile air conditioner is equipped with 3 intelligent modes: cooling, fan and dehumidifier. The cooling mode provides strong cooling in hot weather. The fan mode allows air to circulate. The dehumidification mode is ideal for rainy and wet weather. The device meets all your ventilation and cooling requirements.
24-hour timer: Shinco 12000BTU mobile air conditioner has a built-in timer from 1 to 24 hours, the fans can be switched off at the time you have set, when you fall asleep or forget to turn it off; you can also turn on the air conditioner in advance through the timer function, and feel the cool air immediately when you come home.

339,99 €
07

MEDION

MEDION Smart Mobile Air Conditioner with Exhaust Hose P1002 (10000 BTU, Mobile, Includes Window Seal, up to 34 m², 3-in-1 Cool Dehumidification, App and Voice Control, Sleep Mode, MD 37733)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Three operating modes: cooling, dehumidifying or ventilating – this air conditioner is flexible to use exactly as needed.
Strong: With 10,000 BTU cooling capacity, your rooms reach your set feel-good temperature in the shortest possible time.
Room size: The air conditioner can be used flexibly in rooms with a size of up to 34 square metres.
R290: The use of R290 (propane) as a coolant makes this air conditioner more efficient and energy-saving than using other refrigerants.
Mobile app: The suitable app for Android and iOS makes it easier for you to use and allows you to control all functions conveniently via smartphone or tablet.

279,95 €
08

Comfee

Comfee MPPH-09CRN7 Mobile Air Conditioner, 9,000 BTU, 2.6 kW, Cooling, Ventilating & Dehumidifying, Room Size up to 88 m³ (33 m²), with Exhaust Hose

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

WEEE No.: DE55703080.
R290 refrigerant: R290 is a refrigerant; it has no ozone depletion potential, only a low global warming potential (GWP) and is energy-saving and efficient in operation; temperature range: 17–35 °C.
Patented cooling technology: Thanks to the patented cooling technology that uses the condensation water to cool the compressor, no additional water tank is needed; the mobile air conditioner delivers constant and energy-efficient performance, even during continuous operation in a wide range of humidity conditions.
Energy efficiency class A: The highly efficient compressor reduces power consumption and saves energy. The energy efficiency ratio (EER) of the air conditioner is 2.8.
Comfee MPPH-09CRN7 mobile air conditioner: 3-in-1 air conditioner with exhaust hose, cooling, dehumidifying and ventilation, 9,000 BTU, 2.6 kW, for rooms approx. 80 m³ (31 m²).

286,33 €
09

Zstar

Mobile Air Conditioning 12000 BTU 2.6 kW, Cooling & Ventilation & Dehumidifying, Mobile Air Conditioner with Exhaust Hose for Rooms up to 117 m³ (43 ㎡), Quiet Operation <53 dB, Digital Display +

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Portable and practical: with the smooth-running wheels, this mobile air conditioner can be moved effortlessly from room to room and provides cooling wherever you need it. No heavy lifting required - just set up and enjoy the comfort.
High performance and energy saving: with efficiency class A, the air conditioner is particularly energy-efficient and environmentally friendly. It significantly reduces energy consumption, which not only protects the environment, but also reduces electricity costs. This makes the air conditioner a sustainable choice for environmentally conscious users who value high performance and energy savings.
Fast Cooling Power The 12000 BTU mobile air conditioner cools rooms up to 550 square feet quickly and provides instant relief on hot days. Ideal for rooms, living rooms, bedrooms and offices.
EFFORTLESS CONTROL Portable air conditioner with a convenient 24-hour timer function, an adjustable thermostat and an intuitive LED display, this air conditioner is designed for easy operation. This ensures a cool and restful night's sleep without unnecessary energy consumption.
3-in-1 functionality: mobile air conditioner with exhaust hose, cooling and dehumidifying and ventilation. These versatile applications allow you to design the indoor climate according to individual needs, whether it is to cool down on hot summer days, regulating humidity or simply providing fresh air.

349,99 €