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Environment measuring devices

  • By no means done and dusted: leading Swiss consumer magazine tested old tech

    Background information

    by Lorenz Keller

  • Dynamic electricity tariffs: the risk is manageable with an EMS

    Background information

    by Martin Jungfer

  • New cleaning head, compressed dust: this is how good the new Dyson is

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  • Inexpensive but ineffective? Putting the Xiaomi X20+ through its paces

    Product test

    by Lorenz Keller

  • iRobot Roomba Max 705 tested: solid technology, many flaws

    Product test

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