To close your account, you need to submit a request to support, which may take up to 24 hours to process. That will be a big trip, may even go for three weeks if we can justify it! The Nest is, shall we say, a great deal moister than its bug strewn brethren of yore. Contact your relevant help desk, and an email should be sent back with confirmation of deletion. Go to the page linked, create a request about deleting your account, and customer support should delete it.
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