There's no doubt it looks the part, making a very welcome change from the usual portable air conditioners that tend to be white, boxy, and pretty visually pretty unappealing. Instead, the Duux North 9K Smart Air Conditioner's curved grey front looks sleek and modern, and although it's still fairly sizeable, its curved edges help it to feel a lot visually slimmer, meaning it feels less bulky and more unobtrusive in a room. The unit performed solidly during our testing, reducing the temperature in the room by 2°C in 10 minutes. Like most air con units it isn't silent, there's 51-53dB of noise depending on if you opt for the low or high cooling setting, but it's a downside our testers were happy to accept in return for its temperature-reducing powers. You can clean the unit itself by wiping it over with a damp cloth, just avoid using water to wash it as it's an electrical appliance. Image credit: Future/ Rachel Tompkins) Russell Hobbs RHPAC11001 Portable Air Conditioner: performance ENERGY EFFICIENT: This A/C unit boasts a Class A Energy Efficiency rating to ensure that keeping cool in the sweltering summer heat is cost effective. It also utilises an R290 refrigerant which is up to 690 times more eco-friendly than traditional air conditioning gasses. The advanced sleep mode keeps you cool whilst reducing overnight energy consumption.

Russell Hobbs Portable 3-in-1 Air Conditioner, Air Cooler Russell Hobbs Portable 3-in-1 Air Conditioner, Air Cooler

FUNCTIONS IN 1 - The Russell Hobbs 3 in 1 air conditioner, air cooler and dehumidifier is the perfect practical appliance to keep you comfortable in your home or office. It also offers some good functionality, including air con, heater, and dehumidify functions that enable year-round use, plus a timer, 'night' mode, remote control, and WiFi connectivity.

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Again, I couldn’t do this on my own so if you’re as strong, (or weak) as me, it’s definitely a two-person job. Cooling powers

RHPAC3001 | Portable 3 In 1 Air Conditioner - Russell Hobbs

This unit is slightly larger than other brands and models I've tested, however, at 11000BTU it is significantly more powerful, so for the increased size – and price – you're getting a lot more heat-eliminating power. The dehumidifier function, allows you to control humidity levels in your surroundings – ideal to help dry washing, eliminate musty odours, or prevent the spread of damp and mould. This model has a 0.3L water tank, and can remove up to 0.6L of moisture per hour when fitted with the 1m drain hose provided. When there’s too much water condensation in the unit then it will stop running and ‘Ft’ for Full Tank, will come up on the display to alert you to the fact that you need to drain the water. For example, the Mobile Split-type room air conditioner is a high-capacity unit with 4.3 kW power. It comes with 4 rollers and a flexible hose, effectively keeping the heat outside the room. The total weight of both units is 49 kg, with dimensions amounting to around 33 x 47 x 69 cm.One of the most efficient models is this 12,000 BTU Portable 3-in-1 Air Conditioner. This self-evaporative AC unit has a built-in water tank that you need to empty. With a cooling capacity of 12,000 BTU, it covers up to 30 square meters and uses a highly efficient air filtration system. The appliance features programmable controls with an LED screen, a 24-hour timer, and a fan with 3 speeds, and the Auto Breeze function that automatically selects the most comfortable speed. You can use the device as a dehumidifier by attaching the drainage pipe, allowing you to remove up to 29 litres of moisture from the room daily.

Russell Hobbs Air Conditioner Portable Cooler 3 in 1 1 Litre Russell Hobbs Air Conditioner Portable Cooler 3 in 1 1 Litre

DETACHABLE WATER TANK: Adding water to the tank, you could use air cooler with humidifier. Adding cold water or ice cube will be more cooler. When the water tank is exhausted, the cooling humidifier mode is automatically stopped and then it can be used as a normal fan. Warning: Please keep balance to avoid water leaking. The unit also offers the brilliant Night mode that reduces the brightness of the display screen so that it doesn’t light up the room, and makes the unit work more quietly. The fan speed stays on low during this mode so that the noise is reduced and there's less to disturb your sleep. There's no denying portable air con units are expensive, so if affordability is key then this Pro Breeze 9000 BTU 4-in-1 Portable Air Conditioner is certainly a winner on price. REMOTE TIMER – For ease of use, this air conditioner comes with a 24hr remote control timer and easy to use LED display. There’s even integrated castors so you can move it easily around your home or workplace.When used as an air conditioner, this unit will keep you cool and comfortable. With a handy choice of 2 speed settings and an added oscillating fan function, you can control the speed and direction of air flow. The manual says that it’s suitable for UPVC windows that open internally or externally with either 3 sides, or 4 sides, and that it’s not suitable for middle-opening windows such as skylights or wooden frames. Our windows, however, are wooden-framed double-glazing and it worked fine on them.

Portable 2 In 1 Air Conditioner - Russell Hobbs RHPAC4002 | Portable 2 In 1 Air Conditioner - Russell Hobbs

You might also want to consider whether you want your portable air conditioner to come with a timer, remote control, or WiFi connectivity. However, self-evaporative air conditioners are a poor choice for areas with high humidity levels. And this is not the only downside. They are noisier and cover small areas of up to 15 sq. meters. And finally, you will have to empty the unit’s water tank every time it is entirely filled. Secondly, many of these devices are not suitable for cooling large areas, nor are they recommended for rooms with household appliances or computers. That said, single-hose air conditioners are simple in operation, noiseless, and very mobile. They are perfect as a complimentary air conditioning system or in situations when you need to move the unit from one place to another frequently. Overall, if you're looking to invest in a powerful air conditioner that can bring an icy to chill to a room in under 20 minutes, or your willing to pay a little more for white noise over the thundering din of most air con units, the AEG Comfort 6000 Portable Air Conditioner is a great buy.The Russell Hobbs RHPAC11001 Portable Air Conditioner weighs 31kg, which isn’t a problem when you’re wheeling it around on a flat surface thanks to its built-in castor wheels. However, the likelihood is you will want to use this in a bedroom, which if your house is two-storey will mean hefting it upstairs.