On AC units, why is 20°C on cold mode colder than 20°C on warm mode? Why isn’t it the same temperature?
In: Technology
There are a few reasons this could be the case. One is that thermostats don’t actually switch at exactly the temperature you set them at. They usually switch at a couple of degrees above/below the temperature. If your AC/Heating is good at quickly cooling/heating and your house is well insulated, then your house will remain a bit warmer than 20C when set to warm mode and a bit cooler when set to cold for longer than when the thermostat turns on in the other direction.
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