“I have an existing 2 (red-white) wire thermostat. The green wire is not connected to the existing device. Looking to install a wifi one so can remotely heat house. Do I have the necessary existing wiring?”
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Here is the industry standard thermostat wire color code used for most systems: White. The white wire connects to your heat. Yellow. The yellow wire connects to your compressor.Cool Green. The green wire connects to the fan. Orange. This wire connects to your heat pump (if applicable). Red (C). The Rc wire connects to the cooling system. Red (H). The Rh wire connects to the heating system. ...
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