How does humidity affect thermastat?

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I’m sure there must be a billion guides on this, but I’m having trouble finding one. I automated my heating in node red based solely on temperature during a very low humidity winter. Now, in spring, the heating comes on while it still “feels” hot and I have to disable the automation. Is there some simple formula or metric I can use to improve my automation? Can someone point me to an awesome guide? Help!

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Simple formula? No. Preference always comes into play.

But look up ‘dew point’ and you’ll better understand why 20°C can feel hot and can feel cold.

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There’s a good topic here with a few different approaches to calculating the “feels like” or Heat Index temperature, https://community.home-assistant.io/t/heat-index-apparent-temperature-feels-like-temperature/1282

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Thanks so much for this! Down the rabbit hole I go~