10 Best Portable Air Conditioner 2025 in the UK

The Pro Breeze 4-in-1 Portable Air Conditioner offers solid cooling power with 9000 BTU, making it suitable for medium to large rooms like living rooms, bedrooms, or offices. It can cool spaces down to 16°C effectively. This model is energy efficient, carrying a Class A rating and using an eco-friendly R290 refrigerant, which helps keep running costs and environmental impact lower than many alternatives. Noise-wise, it produces about 54 dB, which is moderate—noticeable but not overly disruptive for most users.

Portability is decent: it weighs 24.5 kg and includes wheels, allowing you to move it around within your home without too much effort. It also comes with window venting kits for both sliding and hinged windows, which helps with proper exhaust and prevents hot air from coming back in. One of the standout features is its smart home compatibility—via WiFi, you can control the unit using a smartphone app or voice commands through Alexa or Google Home, adding convenience.

The 4-in-1 functionality means it’s more than just a cooler; it can dehumidify, work as a fan, and has a sleep mode for quieter, gentler operation at night. While the size is reasonable for portability, it’s still somewhat bulky compared to smaller units, and at 24.5 kg, moving it up and down stairs could be challenging. The noise level, though acceptable, may be noticeable in very quiet rooms or for light sleepers. The energy efficiency ratio (SEER 2.6) is decent but not the highest available, so if you want the best energy savings, there are more efficient units out there. This air conditioner is well suited for those needing flexible cooling with smart controls and energy-conscious operation in medium-sized spaces, especially users who appreciate tech features and easy installation but can handle a slightly heavier unit.

The KGOGO 9000 BTU portable air conditioner is a compact cooling solution designed for rooms up to about 269 square feet, making it suitable for bedrooms, small living spaces, or offices. Its 9000 BTU cooling capacity is suitable for such room sizes, providing fast and effective cooling. The unit offers a 4-in-1 functionality including air conditioning, fan modes, dehumidification, and a quiet sleep mode, which adds versatility beyond just cooling. Noise is kept relatively low at around 60 dB, which is about the level of a normal conversation, so it should not be too disruptive during use or at night.

Portability is a strong point of this air conditioner, thanks to built-in handles and smooth casters, allowing you to easily move it from room to room. Installation is user-friendly with the included window kit compatible with most sliding windows, avoiding complicated setup or drilling. Energy efficiency is adequate with an Energy Star 5 rating and an EER around 9.5, meaning it is designed to keep electricity consumption reasonable compared to less efficient models. Extra features like a remote control, 24-hour timer, washable filter, and child lock add convenience and safety.

On the downside, the product is somewhat heavy at 25-26.5 kg, so while portable, it might be challenging to lift alone. The noise level, although moderate, may still be noticed in very quiet environments. The dehumidifier function operates effectively within specific temperature and humidity conditions, which may limit its usefulness in some climates. This unit represents a solid choice for anyone seeking a versatile, portable air conditioner for medium-small rooms, especially if easy mobility and multiple modes for year-round comfort are priorities.

The Pro Breeze 4-in-1 Portable Air Conditioner offers a solid cooling capacity of 7000 BTU, making it suitable for small to medium rooms like bedrooms, living rooms, or offices. Its Class A energy efficiency rating means it runs relatively cost-effectively, which is great if you want to keep electricity bills in check while staying cool. The unit operates at around 53 decibels, which is moderately quiet but might still be noticeable in very quiet environments, particularly at night.

It includes a remote control and digital display with an adjustable thermostat and a 24-hour timer, making it easy to customize settings without getting up. One standout feature is the versatile 4-in-1 mode, with options for cooling, dehumidifying, fan-only, and an energy-saving sleep mode that helps reduce power use overnight. The inclusion of dual window venting kits supports flexible installation in either sliding or hinged windows, helping with proper exhaust and efficient operation.

The unit is somewhat bulky and weighs about 24.5 kg, so while it is portable, moving it frequently might be a bit cumbersome. Its cooling power is best suited for smaller spaces and might struggle to cool larger rooms effectively. This Pro Breeze model is a solid choice if you want a reasonably powerful, energy-efficient portable AC with convenient features for small to medium rooms, but be prepared for some noise and consider the size if you need to move it often.