You should also wash the pad or membrane occasionally or you might get some pretty nasty smells. Because of this – and the fact that the water in the absorbent pad or membrane can grow stale – you need to keep the air cooler filled and change the water in the tank daily. While some of the water is recirculated through the system, some will inevitably leave the cooler in the air blown out by the fan. For a little extra cooling power, many coolers can also fit one or more freezer ice blocks inside to chill the water. As the water on the pad or membrane evaporates it cools the air around it, and this cooler air is then blown outwards into the room by the fan. The smaller models are cubes designed for desktop or coffee table use, often powered by USB and designed as a personal cooler.īest cool box 2023: The top ice boxes and camping coolers from £33īoth work in roughly the same way, with a fan blowing air through an absorbent pad or membrane structure. The bigger ones look a little like dehumidifiers or compact portable air conditioners and are designed to cool one or more people from a few metres away. How to choose the best air cooler for you What should I look for in an air cooler?Īir coolers come in two basic forms.
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