I have a 5 year old house, gas heat and AC. My house was installed with 2 mechanical thermostats. The one downstairs controls the heating temperature. The one upstairs has the main controls (On,Off,Auto).
Can I install a programmable thermostat to handle both these tasks? Someone mentioned once that I just had to "terminate" the wiring in the secondary (downstairs heating) unit. I don't really know what that means and/or if that is correct. Do I just cap the wires? Does this make any sense? I am pretty sure I need the new programmable installed upstairs but need to guarantee it will also run the heat.
Can someone help me here? The wiring is not an issue but certainly don't want to install 2 programmable thermostats. I know it can be done just need some help.
Thanks to all,
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