Which costs less:

Aircon on 自動 at a cooler temperature or with the 風量 on 強 but at higher temperature

6 comments
  1. In my understanding, it will depend on the temperature but assuming it’s the same, the 自動 would cost less since it turns on-off and adjusts the fan speed automatically in order to keep the set temperature in the most efficient way possible.

  2. I recall reading an article where they experimented and showed that Aircon + circulating fan is more efficient than just Aircon.

    This is not the article, but this came up as first hit in my Google search:
    (In Japanese, sorry if you cannot read it)

    https://sq.jbr.co.jp/library/1492

  3. It depends if it disconnects at the higher temperature then it should be better. If it keeps working then lower on auto probably better. Personally I set on powerful when I need quick feeling of cool then turn it off.

  4. Temperature is related to energy consumption more than wind flow. That’s why the government always focuses on increasing the temperature.

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