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Best 12000 Btu - Holiday Sale

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Last Updated - 16.12.2025

Best Choice

01

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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9.8

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
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 €
02

HANTECH

Split Air Conditioning 12000 BTU (up to 45 m²) HANTECH H-PRO Heating and Cooling Function, Air Filter, WiFi, Mounting Material, White

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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

Modes: sleep mode in whisper volume or 4 different speed settings
I-Feel: Temperature sensor on the remote control and not on the device. The desired temperature is therefore achieved throughout the room.
Eco and turbo mode: quick results when switched on or slow room temperature adjustment and save energy
Complete set: indoor and outdoor unit, including mounting accessories and pre-filled climate agent (R32)
Care: self-cleaning and easy maintenance
Benefits: child lock, emergency stop switch on the device, timer, remote control, frost protection mode, hypothermia protection in sleep mode
4 in 1: Use as a heater, air conditioner, dehumidifier and fan including filtering of viruses, bacteria and odours
3D airflow and circulation: perfect for positioning over couch etc. The air flow is distributed specifically throughout the room and is not selective.

452,20 €
03

Woleix

Woleix Mobile Air Conditioner 12000 BTU, Mobile Air Conditioning with Exhaust Hose, Mobile Air Conditioner with Exhaust Hose with Timer 10 J.Gar

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9.4

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

Worry-free installation of accessories: the mobile air conditioner includes adjustable exhaust pipes (horizontal/vertical), window seal kit and understandable instructions (English language not guaranteed). Do not worry if your windows do not match each other, we will provide you with appropriate window seal. And our parts come with a lifetime guarantee.
Worry-free after-sales service: we offer our customers a 10 J.GAR., replacement only and no repair within one year as well as a lifetime parts guarantee. In addition, we have experienced product engineers who provide customer support. With this mobile air conditioner, you have worry-free customer service.
Whisper quiet operation: the mobile air conditioner features a dual noise reduction design, equipped with 6 mm thick sound insulation foam and the specially developed TCL compressor architecture, which effectively reduces noise by 20%. The mobile air conditioner with exhaust hose releases hot air via the exhaust hose to reduce collisions of the air flow and effectively reduce noise.
Long range, fast cooling: the fan of this mobile air conditioner with exhaust hose uses turbo charging technology, which can increase air volume by an additional 30% (390 m³/h) and reach a range of up to 5 metres. In combination with the ultra-wide 120° wide-angle air flow of mobile air conditioning, fast and comprehensive cooling can be achieved.
INNOVATIVE COOLING EFFICIENCY Our mobile air conditioner uses customized TCL compressors. TCL: Over 100 thousand highly specialized patents such as EP3564507A1, EP3564507B1 etc. With the same cooling efficiency of mobile air conditioning 12000 BTU, our compressor saves more power and has higher energy efficiency.
Dual Motor Cooling System: The innovative dual-motor cooling system of our mobile air conditioner processes cold and hot air independently. Compared to conventional mobile air conditioning with a motor, it is more energy-saving and energy-saving. In addition, it also reduces wind noise. It allows both energy saving and quiet operation.
Drainage free design: mobile air conditioner provides an efficient condensate evaporation system. It can run continuously day and night without having to clean the water tank after half the time, so you can enjoy a carefree sleep with this mobile air conditioner.

99,99 €
Value for Money

04

NTG

NTG Split Air Conditioning Set 12000 BTU (3.5 kW) WiFi & App, Cooling & Heating A++ Ventilation System with Heating Function Refrigerant R32 & Remote Control Energy Efficient & Quiet

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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

Whisper quiet operation: the noise level is between 25-50 dB(A) indoors - ideal for use in bedrooms, children's rooms or home office without annoying noise
Powerful 2-in-1 air conditioner - cooling capacity 3.5 kW & heating function 2.7 kW make the NTG split air conditioner ideal for summer and winter - reliable for living and working rooms
Important note according to EU F Gas Regulation (EU) 2024/573. This product contains fluorinated greenhouse gases. Installation, connection of refrigerant lines, vacuuming and commissioning may only be carried out by a certified specialist according to ChemKlimaschutzV and EU F gas regulation. Independent installation without proper commissioning may result in loss of the manufacturer's warranty and is prohibited by law.
Environmentally friendly refrigerant R32: the R32 refrigerant with low greenhouse potential (GWP 675) protects the climate and meets current environmental requirements
Convenience via app and remote control – control temperature, mode and ventilation conveniently via Wi-Fi app (iOS/Android) or with the included remote control – even on the go + outdoor unit: L × W × H: 71 × 50 × 28.5 cm + indoor unit: L × W × H: 77 × 20.5 × 20.5 × 28.5 cm 5 cm.
Complete set for easy installation: comes with indoor & outdoor unit, 3m pre-filled refrigerant line, indoor wall bracket, connection cable and wall grommet - wall mount for outdoor unit not included

449,99 €
05

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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9.2

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

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.

429,99 €
06

Pro Breeze

Pro Breeze 12000 BTU Mobile Air Conditioner (Rooms up to 50㎡) - Mobile Air Conditioner with App Control, Timer & LED Display - Includes Window Seal & Exhaust Hose - Mobile Air Conditioner for Home

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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

Window kit included: The mobile air conditioner comes with a window seal set, which is suitable for sliding and tilting windows. With four wheels, the device is flexible - stylish, compact and space-saving.
Strong performance: this mobile air conditioner with 12000 BTU ensures powerful cooling up to 16 °C - perfect for medium to large rooms, bedrooms or the home office. The auto-pivoting slats can be adjusted by 115° to ensure comfortable temperatures faster - efficient and energy-saving.
Smart home functions: control your smart home air conditioner conveniently via app or via voice command via Amazon Alexa and Google Home. Set schedules, activate the timer or change the temperature directly from the sofa or bed - it couldn't be easier.
PRO BREEZE The cooling experts: Discover the Pro Breeze range – from the powerful 7000, 9000 and 12000 BTU air conditioning to evaporative coolers with 5 L & 10 L to innovative tower and pedestal fans. Or prefer a cool drink? Then check out our ice maker
Energy-saving and environmentally friendly: the mobile air conditioner has the energy efficiency class A – ideal for hot days without high electricity costs. The environmentally friendly refrigerant R290 is up to 690 times more climate-friendly than conventional gases.
4 MODES & 3 SPEEDS: The mobile air conditioner offers four practical modes: cooling, dehumidifying, fan or sleep mode. In sleep mode, the device runs very quietly - perfect for the bedroom or nursery.
3-in-1 multi-talent: this mobile air conditioner with exhaust hose combines air conditioning, air cooler and dehumidifier in one. Three fan levels and a dehumidification of up to 60% ensure a pleasant indoor climate while saving space and energy.

314,99 €
07

KGOGO

Mobile Air Conditioning 12000BTU, 3-in-1 Mobile Air Conditioner with Exhaust Hose, Cooling, Dehumidifying, Air Circulation, LED Display & Remote Control, 24-Hour Timer, Quiet and Energy Efficient, for

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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

️【All accessories included】Everything you need for setup is included: 1 x exhaust hose, 1 x hose connection, 1 x window adapter, 1 x remote control, 1 x window kit, 1 x screw, 1 x drain hose, 1 x user manual (English language not guaranteed)
️【3-in-1 function: air conditioning, fan & dehumidifier】To improve your room air, this mobile air conditioner also takes over the functions of a fan and a dehumidifier. Lower the temperature to up to 16 C, improve air circulation with two fan speeds or dehumidify the room air to keep humidity between 40% 60%
User-friendly, thoughtful design: a 24-hour timer of the mobile air conditioner allows you to set the automatic on/off time. Prepare a cool room before you get home, or save energy when it gets cooler at night. Enjoy a quiet, restful environment with the sleep mode that dims the LED lights and lowers the noise level for better relaxation
Reliable customer support: We offer you 24/7 customer service to ensure a worry-free experience. Your satisfaction is our top priority - feel free to contact us at any time
Portable air conditioning, powerful cooling: equipped with an advanced air compressor, this portable air conditioner delivers a cooling capacity of up to 12,000 BTU and immediately lowers the temperature in rooms up to 43 m². Create a cool and comfortable environment in your bedroom, living room, office, basement or work area
LED display and remote control: easily monitor the current temperature with the bright LED digital display. The user-friendly control panel and included remote control allow you to switch modes, set timers, and adjust temperatures - whether you are near or further away
Compact and easy to install: the window kit fits most sliding windows, without drilling, and the holder for the power plug ensures tidy cable routing

241,40 €
08

SereneLife

SereneLife Air Conditioner, Mobile Air Conditioner, 3-in-1 Air Conditioner, Dehumidifier, Air Cooler & Fan, Air Conditioner, 12000BTU, Air Conditioner with Exhaust Hose, Remote Control & Timer, Room

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8.8

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

Strong cooling capacity: with an output of 12,000 BTU (ASHRAE) / 7,000 BTU (SACC), this mobile air conditioner is capable of efficiently cooling large rooms up to 51 m². The air output of 290 m³/hour combined with a
Versatile modes and comfortable conditions: the mobile air conditioner with exhaust hose has three practical operating modes: cooling, dehumidification and fan. The automatic swing function increases the efficiency of air distribution, supported by the innovative window seal of the air conditioner.
Intuitive control: control your mobile air conditioner conveniently via the digital control panel or the included remote control. Functions such as power, modes, timer, temperature and fan speed are adjustable.
Handy and easy to move: the Serene Life mobile air conditioner offers optimal mobility and lightness. Ideal for flexible use in different rooms at home or in the office. Thanks to the integrated wheels, this mobile air conditioner can be easily transported.
Efficient air humidity control: in addition to the cooling performance, the mobile air conditioner also actively helps to lower the humidity. This ensures a pleasant indoor climate and is at the same time a space-saving and cost-saving solution.

299,10 €
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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8.6

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.

212,85 €
10

Klarstein

Klarstein Mobile Air Conditioner, 5-in-1 Air Conditioner, Fan, Dehumidifier, Air Purifier & Night Mode, App Control, Home Air Conditioner with Exhaust Hose, Air Conditioner, 12,000 BTU, White

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8.5

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

Versatile 5-in-1 air conditioning: The mobile air conditioner with exhaust hose cools with a powerful cooling capacity of 12,000 BTU / 3.4 kW. The dehumidifier counteracts moisture and the activated carbon filter provides fresh room air
Quiet operation for a quiet night: With a timer function and a night mode that operates at only 50 dB, the air conditioner envelops the apartment quietly with cool air before it turns off automatically, so that even light sleepers can slumber undisturbed
Low power consumption, energy-saving and eco-friendly. You not only reduce the impact on the environment with this energy efficiency class A air conditioner, but also your electricity bill. We use the environmentally friendly coolant R290 for our air conditioners
Easy installation to DIY: This air conditioner makes life easy, because it has an easy to install exhaust hose. The practical window seal is just as easy to install and keeps hot summer air away
App and remote control: The intelligent app connects the air conditioning to any home and gives you full control via smartphone. With the remote control, you can quickly check or change the temperature and other settings

342,99 €