“Do i need 2 Nest Thermostat to control the 2 zones ? i currently have 2 thermostats controlling the temp separately upstairs and downstairs . Home size approx 2500 sq ft”

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• The Nest works independently like your current thermostats in the home, and can only control whatever part of the system it's wired to. So if you currently have two thermostats, then you could choose to just replace one of them with a Nest, and keep the other one as a standard thermostat, or you could replace both each with a Nest. You can check for compatibility here: https://nest.com/support/article/How-to-tell-if-your-heating-and-cooling-system-will-work-with-the-Nest-Thermostat

  Answered by Nest Support 6 years ago

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• If you currently have two thermostats controlling two zones you will want two Nest thermostats. You do not need to upgrade them both at the same time.

  Answered by CommunityAnswer 6 years ago

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