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by gwd
714 days ago
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25 is fine for me to work in; it's about 27 that I start to need to take stronger measures to cool off. That said, I'm guessing 22 (or 18 or whatever) is the lowest temperature you can have on the pipes; that wouldn't translate to 22 in the house. |
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If their working fluid is water, you are right. But most aircons work like fridges, and their pipes don't transport 'cold' by literally having a cold fluid, but by having an ambient temperature fluid that they turn into a gas inside your interior aircon unit (and then later turn back from a gas into a liquid on the outside unit).
The actual pipes are always at pretty much ambient temperatures.