Feeling uncomfortably warm this summer?

Designed for a single room or smaller space, portable air conditioners can move around easily without the need to be attached to windows.

First, they are useful in humid areas where you really don’t want to open any windows for fear that you will just make the heat worse, even with a traditional air conditioner.

Second, portable units are handy additions in rooms where you can’t open windows and where climate control systems may not quite be up to the tasks, such as classrooms, offices, and data centers.

Check out our top picks for portable AC units and coolers to find out more.

There’s also air purification with an included filter and a dehumidifier to help draw water from the air to keep rooms cool and dry — although note that the dehumidification feature does require a non-permanent window vent, so it won’t work in a fully sealed room.

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