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  1. £329.98Amazon

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The Ecoair Crystal MK3 9000 BTU is a feature-rich portable air conditioner that doubles as a dehumidifier. Will it keep you cool in hot weather, and will it make a racket while doing so? We sent it to the Which? test lab to find out. Read our full air conditioner review to find out how it fared in our tests.

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What's included?

  • What is it?
  • What’s it like to use?
  • How energy-efficient is it?
  • Is there anything else I should know?
  • Should I buy it?
KEY TEST RESULTS
Time taken to cool room by 10 degrees
Ease of use
Temperature distribution across the room
  • Apr 2024First reviewed by Which?
  • May 2023Released