“I have hot water base board heaters and central air. 2 systems and 2 thermostats. Will I need 2 or can I wire both systems to one nest?”

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• I'm far from an expert but I don't see why you can't just wrap the control wires together. The only problem would be is that you would not have independent control over the 2 systems. They can either both be on, or both be off.

  Answered by BenSalem 8 years ago

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• One nest per system

  Answered by Swestm3 8 years ago

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• One NEST can control both of those systems. That is the way my house is set up with three different heat settings and one AC setting and my one NEST controls them all.

  Answered by wvu2fsu 9 years ago

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• Two thermostats will be necessary.

  Answered by dburley70 9 years ago

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