Advertising Disclosure Low Energy Air Conditioner Comparison - July 2025
5 Best Low Energy Air Conditioner In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.6Exceptional | 3 Best Value  9.4Excellent | 4  9.2Excellent | 5  9.1Excellent |
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ModelInventor Portable Air Conditioning Unit Chilly, 9000BTU Mobile Air Conditioner, 3-1,Cooling,Fan, Dehumidifier,2 Fan Speeds,Low Energy, 24 hr timer for Rooms 215ft(WEE/MM0449AA) | Model Meaco MeacoCool Pro Series 16,000 CH Portable Air Conditioner - Wi-Fi enabled with Meaco App, Low Energy, Low Noise, Free Flexible Window Kit | Model BLACK+DECKER BXAC40008GB Portable 3-in-1 Air Conditioner with 24-Hour Timer, Remote Control, 12,000 BTU, White | Model Portable Air Conditioner, 4-in-1 Air Conditioning Unit 8000BTU with Sleep Mode, Cooling & Fan with 2 Speed, Dehumidifier, Air Conditioner with 24H, Child Lock, Window Venting Kit- Portable AC Unit | Model NETTA Portable Air Conditioner 3-IN-1 9000BTU, Dehumidifier, Cooling Fan - Remote Control, LED Touch Control, Adjustable Temperature, for Home, Bedroom, Living room,Office [Energy Class A] |
BrandInventor | Brand Meaco | Brand BLACK+DECKER | Brand dehumifer | Brand NETTA |
Reviews | Reviews | Reviews  | Reviews | Reviews |
Tech Specs | ||||
product dimensions 38 x 34.2 x 72 cm 25.3 kg | product dimensions 47 x 35.5 x 76.2 cm 32.1 kg | product dimensions 39 x 35 x 85.5 cm 26.74 kg | product dimensions 34.9 x 38.5 x 85.2 cm 19.5 kg | product dimensions 31 x 31 x 70 cm 22.5 kg |
Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1InventorInventor Portable Air Conditioning Unit Chilly, 9000BTU Mobile Air Conditioner, 3-1,Cooling,Fan, Dehumidifier,2 Fan Speeds,Low Energy, 24 hr timer for Rooms 215ft(WEE/MM0449AA)
Why we love it
Efficient cooling for small spaces.
Environmentally friendly refrigerant.
Easy to move and install.
Main highlights- WARRANTY: All Inventor Appliances are covered by a 2 years Warranty.
- USER-FRIENDLY DESIGN: Space-saving design with easy-roll omnidirectional & durable casters that help you move your “Chilly” around spaces.
- REAL-TIME DISPLAY & REMOTE CONTROL: Chilly Mobile Air Conditioner includes a digital display indicating the current temperature, view in °F or °C. Its multi-functional control panel plus the remote control allows you to set time, adjust the temperature & switch between modes easily.
- POWERFUL COOLING: Chilly Portable Air Conditioner of 9,000 BTUs, delivers an instant cooling relief for your bedroom, living room or office place. The unit, delivers a max power of 9000BTU for areas that are ideally up to 215 square feet (20m2).
- Noise level: Sound pressure 46.9 / 51.9 db (low/high) / Noise emission level: 63 db
- EXCELLENT CUSTOMER SUPPORT: We are next to our customers via various communication channels, be sure to purchase and experience with confidence.
- EASY TO FIT & INSTALL: Expandable exhaust hose that fits with any Standard Slider or Double Hung Window. The exhaust hose may be stretched out to 1.6 meters of length making the initial installation a breeze!
- CLIMATE-FRIENDLY REFRIGERANT: R290 is a natural and safe refrigerant. It has no ozone depletion potential, only a low global warming potential (GWP) and is energy-saving and efficient.
- 3-in-1 FUNCTIONS: Chilly, integrates 3 convenient modes: cooling mode, to chill your room in hot weather conditions; fan mode to deliver either gentle or powerful air stream; dry mode to dehumidify the air and keep the room humidity from 40% to 60%.
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9.6
2Meaco
Meaco MeacoCool Pro Series 16,000 CH Portable Air Conditioner - Wi-Fi enabled with Meaco App, Low Energy, Low Noise, Free Flexible Window Kit
Main highlights- WHISPER QUIET -The MeacoCool Pro series is our quietest, most energy-efficient portable air conditioner range to-date. With a low noise level of 51-55 dB, this series gently cools without bothersome noise. A dedicated Sleep Mode makes the unit as quiet as possible and dims all lights on the display for a good night’s sleep and energy savings.
- STAY IN CONTROL – Use the Meaco app to easily control the settings from your phone. The digital display on the front makes it easy to see the current temperature. Use the timer to pre-cool any room between 1 and 24 hours, allowing you to create a comfortable home without running the unit excessively and wasting electricity.
- POWERFUL 2-in-1 AIR CONDITIONER & HEATER - Get year-round climate control with cooling, heating, drying and fan modes of this dual Air Conditioner and Heater. Engineered for energy efficiency, it produces more heat for less energy, delivers powerful cooling at a maximum airflow of 410 cubic meters per hour and dries the air as it cools. Suitable for rooms between 35-40m².
- PORTABLE CONVENIENCE - Compact and easily moveable with castors to move from room to room, this unit comes with a free flexible window kit for use with all types of windows and doors. The convenient child lock prevents little fingers from changing the setting.
- COST OF LIVING ENERGY SAVINGS - The energy-efficient MeacoCool has been awarded a Class A Energy Rating for low power consumption and optimised energy usage, and the R290 refrigerant is kinder to the environment, making it a cost-effective and efficient choice for daily use. It comes with a two-year parts and labour warranty from Meaco, the UK's leading air cooling and dehumidifier manufacturer.
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9.4
3BLACK+DECKER38% Off
BLACK+DECKER BXAC40008GB Portable 3-in-1 Air Conditioner with 24-Hour Timer, Remote Control, 12,000 BTU, White
Why we love it
Energy efficient with low running costs.
Powerful cooling for large rooms.
Quiet operation ideal for night use.
Main highlights- POWERFUL DEHUMIDIFYING: High performance technology removes excess moisture to prevent damp, mould and mildew from forming in rooms, closets and wardrobes. The large 1.5L water tray is designed to extract up to 40 litres of unwanted moisture per day, with a self-evaporating system to empty collected water
- POWERFUL 12,000 BTU OUTPUT: Class A Energy Efficiency for low environmental impact, whilst providing optimum performance at low running costs
- 3.4KW POWERFUL COOLING: High, medium and low wind speeds deliver a strong, cool breeze to ensure comfort in hot rooms. Its low cool setting produces just 53dB to reduce noise disruption, ideal on warmer summer nights for a comfortable sleep
- 3-IN-1 FUNCTIONALITY: 3 operating modes provide high-performance air conditioning, dehumidifying and cooling for large rooms up to 24m2 for a comfortable, healthy home all year round
- 2 YEAR GUARANTEE: Assured BLACK+DECKER quality with a 2 year guarantee for added peace of mind
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
