When the summer heat hits the UK, staying cool isn’t always easy—especially if you don’t have air conditioning built into your home. But don’t worry, a portable air conditioner could be just what you need to keep your space comfortable without the hefty installation costs.
Whether you’re looking to cool down a single room, need something flexible for different areas of your home, or going on a camping trip, finding the best portable air conditioner in 2025 can make all the difference. In this guide, we’ll walk you through some of the top options on the market and share what to look for when choosing the right one for your cooling needs.
5 Best Portable Air Conditioners in 2025
So, which top-rated portable AC units are making waves in 2025? We have rounded up five best options on the market. From cutting-edge tech to budget-friendly picks, there’s something for everyone.
1. EcoFlow WAVE
If you’re looking for a small air conditioner that’s really portable yet effective, the EcoFlow WAVE stands out with its innovative design and versatile performance. It cools and heats quickly, requires no complex installation, operates quietly, and offers eco-friendly features—all in one compact package.
What’s Good:
- Fast Cooling and Heating in Minutes: The WAVE can drop the temperature by 10°C in just 5 minutes in a 10m³ room, thanks to its powerful 5,100 BTU cooling capacity. On the flip side, it can raise the temperature by 10°C in only 5 minutes with its 6,100 BTU heating capacity, making it perfect for both hot and cold climates.
- Portability with No Installation: One of the key features of the WAVE is its installation-free setup. You don’t need to worry about complicated installations or drainage systems in cooling mode (as long as humidity stays below 70%).
It fits into any compact space and comes with air duct adapters to ensure maximum flexibility, whether you’re cooling your home, office, or an outdoor setup like a tent or camper. You can also use it accessory-free, making it a versatile and easy-to-use option no matter where you need it.
- Quiet Operation & Long-Lasting Comfort: The WAVE is perfect for sleeping or working without disruption. In Sleep Mode, it operates at a whisper-quiet 44 dB, ensuring you can enjoy a peaceful night’s rest. With the Eco Mode activated, you can enjoy up to 8 hours of cooling in a single charge when paired with the add-on battery. This makes it ideal for off-grid living, camping, or those who need a portable solution for long durations.
- Eco-Friendly with R290 Refrigerant: It uses R290, a natural refrigerant that has a much lower environmental impact than traditional refrigerants. It has no ozone emissions and a significantly lower global warming potential, meaning you can enjoy cool comfort without contributing to climate change.
- Multiple Charging Options & Fast Recharge: No matter where you are, the WAVE has you covered with its swappable battery and multiple charging options. You can charge it via AC, solar (up to 400W), car, or a compatible portable power station. This flexibility gives you the freedom to stay cool or warm on the go—whether you’re camping, traveling, or simply need an energy-efficient solution for your home.
2. MeacoCool MC Pro Series 9000
The MeacoCool MC Pro Series 9,000 BTU is one of the best air conditioning units for rooms between 16-26m² and offers efficient, versatile cooling. This energy-smart unit operates at a low cost, and you can enjoy a quiet environment and reliable performance backed by a two-year warranty.
What’s Good:
- Versatile modes for tailored comfort: Enjoy four dynamic modes—Cool, Fan, Dry, and Sleep—that adjust to your needs, ensuring optimal comfort regardless of the weather or room conditions.
- Energy-efficient and cost-effective: Benefit from an A-rated energy performance and an operating cost of just 25p per hour, making it ideal for spaces between 16–26m² without breaking the bank.
- Quiet operation and reliable assurance: Experience peaceful cooling with noise levels starting at 52dB and enjoy peace of mind with a robust two-year warranty that guarantees lasting performance.
3. AEG Comfort 6000
The AEG Comfort 6000 is a smart 12,000 BTU portable AC unit that delivers robust performance with exceptional efficiency. It combines superior energy efficiency, powerful cooling, and quiet operation in one sleek unit.
What’s Good:
- Strong Cooling Power: With 12,000 BTUs, it quickly cools larger rooms up to 35m², keeping you comfortable on even the hottest days.
- Auto Fan Function: The fan adjusts automatically based on your room’s temperature, ensuring a consistent, comfortable environment without constant tweaking.
- CleanAir Filter: Perfect for allergy sufferers, the built-in CleanAir filter helps remove dust and allergens, improving air quality while you stay cool.
- WiFi Control: Control the unit remotely via your smartphone, so you can adjust settings without leaving the couch or bed.
- Clear LED Display: The easy-to-read LED display shows exactly which mode the unit is in, making operation simple and hassle-free.
4. VonHaus 7000 BTU
The VonHaus 7,000 BTU portable air conditioner stands out as an excellent cooling solution for small to medium rooms. It delivers robust, efficient cooling with a minimalist design that blends seamlessly into any space.
What’s Good:
- Efficient and intelligent cooling: Experience rapid cooling with its 7,000 BTU capacity. Its automatic mode activates when temperatures exceed 24°C and adjusts operation to maintain optimal comfort seamlessly.
- User-friendly portability: Move your AC effortlessly using built-in casters and a convenient handle. The minimalist design integrates perfectly into any room, offering both style and practicality.
- Customizable, quiet operation: Enjoy two fan-speed settings, a timer, and remote control for tailored cooling. The intuitive design empowers you to control your environment precisely, ensuring efficient and quiet performance.
5. electriQ Slimline 7,000 BTU
The electriQ Slimline 7,000 BTU redefines portable cooling for smaller spaces. It combines modern efficiency with versatile functionality and a sleek design, making it perfect for both home and office use. This unit focuses on user-friendly features and cost-effective operation, ensuring you enjoy a refreshingly comfortable environment with minimal effort.
What’s Good:
- Versatile modes for all-day comfort: Switch easily between cooling, fan, dehumidify, and sleep settings. This flexibility lets you adapt your environment instantly, ensuring optimal comfort no matter the weather or time of day.
- Convenient scheduling and energy savings: Utilize the 24-hour timer to pre-cool your room before arrival and automatically power down when you sleep, ensuring energy efficiency and added convenience for every lifestyle.
- Effortless control and maintenance: Adjust settings effortlessly using the remote control and keep the unit pristine with a washable pre-filter, while enjoying cost-effective operation at an impressive rate of 19.5p per hour.
Factors to Consider When Choosing the Best Portable Air Conditioner
Picking the best portable air conditioner in the UK isn’t just about BTUs (though that matters a lot!). Here’s how to choose portable air conditioner for home or other spaces:
Cooling Capacity (BTU)
Portable ACs are measured in British Thermal Units (BTU), which tell you how much heat they can remove per hour. The golden rule? Match the BTU to your room size. For example:
- Small rooms (up to 20m²): 5,000 to 7,000 BTU
- Medium rooms (20–30m²): 8,000 to 12,000 BTU
- Large rooms (30–40m²): 12,000–14,000 BTU
Too low, and it’ll struggle; too high, and you’ll waste energy. Check your room dimensions first!
Energy Efficiency
UK energy prices can sting, so opt for a model with a high EER (Energy Efficiency Ratio) or a good EU energy label (A+++ is top-tier). Efficient units save you money on bills and reduce your carbon footprint—win-win!
Some units come with an energy-saving mode or programmable timers to help you optimise energy use. If environmental impact is important to you, consider models that use eco-friendly refrigerants, which have lower global warming potential.
Noise Level
Noise is an important factor to consider, especially if you plan on using the air conditioner in a bedroom or office. Portable ACs can produce noise levels anywhere between 40 dB (quiet) to 60 dB (louder) or more. Ideally, choose a model with a noise level of 50 dB or below for quieter operation. Many air conditioners feature a “sleep mode” that reduces noise during the night, allowing you to rest comfortably.
Portability and Weight
One of the biggest advantages of portable air conditioner vs window AC units is their mobility. Check the unit’s weight and size to ensure it’s easy to move from room to room. Many models come with smooth-rolling castors or handles for easier transport, while others are more compact and lightweight, making them perfect for smaller spaces or frequent relocation.
Ease of Installation
Unlike traditional air conditioning systems, portable units don’t require permanent installation. However, the setup can still vary between models. Most types of portable air conditioners come with an exhaust hose and window kit that allow you to vent hot air outside, but some models are simpler to set up than others. Be sure to check if the installation process is straightforward and requires no additional tools or accessories.
Additional Features
Some portable air conditioners come with extra features that can enhance your experience. For example:
- Dehumidification Mode: If you live in a humid climate, look for a unit with a dehumidifying function, which can help remove excess moisture from the air, making the environment more comfortable.
- Smart Features: Many modern portable ACs offer WiFi connectivity, allowing you to control the unit remotely via an app on your smartphone or tablet.
- Air Purification: Certain models include built-in air filters that help purify the air by trapping dust, allergens, and other particles, making them a good option for people with allergies.
- Flexible Charging Options: If you’re investing in a portable AC as your RV or car camping essentials, look for models that offer multiple off-grid charging options, like solar panels, car sockets, or portable power stations, so you can stay cool on the road.
Maintenance and Cleaning
Regular maintenance is necessary to keep your portable air conditioner running smoothly. Check if the filters are easy to access and clean. Some models feature washable filters, while others require replacement.
Additionally, consider how often you’ll need to empty the water reservoir (if your unit has a dehumidifier function), and whether the unit has a self-evaporative feature that reduces the need for manual draining.
Conclusion
Finding the best portable air conditioner boils down to your needs: room size, budget, and lifestyle. As you make your decision, keep in mind the factors that truly matter: cooling capacity, energy efficiency, portability, noise level, and ease of maintenance. Ultimately, the best portable air conditioner will be the one that fits seamlessly into your daily routine, offering reliable performance, user-friendly features, and the freedom to enjoy cool comfort wherever you go.
FAQs
Are portable air conditioners worth it?
Yes, portable air conditioners can be worth it, especially if you need a flexible and temporary cooling solution. They’re easy to move between rooms, don’t require installation, and can be set up quickly. They’re ideal for small to medium-sized spaces, rental properties, or for cooling areas where a permanent AC system isn’t practical. While they may not be as powerful as traditional air conditioning, they can still provide relief during hot weather, and many models are energy efficient.
Are portable air conditioners energy-efficient?
Portable air conditioners can be energy-efficient if chosen wisely. They use similar energy as fixed units, typically ranging from 900 to 1,500 watts per hour. To maximize efficiency, select an A-rated model of the right size for your room and use smart cooling habits, like sealing leaks and closing curtains. A properly used portable AC can keep you comfortable without excessive energy waste.
Can a mini AC cool a room?
Yes, a mini AC can cool a room, but its effectiveness depends on its BTU rating. A 5,000 BTU portable air conditioner can handle small spaces, while a 7,000 BTU unit is suitable for rooms up to 18 square meters. For the best results, match the AC’s capacity to your room size to ensure efficient cooling.