Hello Stinka,
Thank you so much for posting in this community. I’m sorry to know that your Nest Thermostat is not switching heating off when it reaches the selected room temperature. Don’t worry; it is a pleasure to be able to assist you.
To provide you with accurate information, please help me out by answering the following questions:
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What model of thermostat do you have? If you’re unable to recognize it, check out this article: How to tell which Nest thermostat you have.
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Is the Nest thermostat newly installed?
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What type of furnace do you have? (gas, electric, etc.)
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When did the heating last work normally?
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Have you recently experienced a brownout or blackout?
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Do you see an error code on the thermostat display?
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Have you taken any troubleshooting steps so far? If so, could you describe them?
Any additional details you can provide will be helpful.
Best regards,
Daniel
