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Aerocool Portable Ac : The single exhaust hose is also built directly into the LG’s rear side, in a design that can be compressed like an accordion in a vertical orientation that sits nearly flush with the unit. We compared dual- and single-hose models based on the same criteria and didn’t dismiss any models based on their hose count. The research did steer us toward single-hose, though—most of the better new models use this design, and owner reviews indicate people prefer them, as they’re easier to set up and look at.

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