“has anyone seen an increase in their power bill? and if so, how long do you leave it on for? I'm trying to find a unit that doesn't pull so much energy or raise my power bill exaggeratedly high, like those small window AC units, those pull so much power!”

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• Portable A/C units are usually less efficient than window units, so they use more electricity.

  Answered by JimV 5 years ago

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• As a rule, portable units like this one are LESS efficient than an equally rated window unit (in BTUs).

  Answered by KHR77 5 years ago

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