Replace old with smart thermostat

Started by topaz318, November 17, 2021, 12:06:37 PM

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topaz318

Hello, just bought a new house which has old CM260 thermostats with zoned HVAC which is new to me as follows -
First Master zone with 2 sub-zones
Second Master zone

Questions -
Should I get 4 smart thermostats?
Also, do I need a C wire adapter for all 4?