Google Nest Community

Just installed the Learning Nest.Everything seems to work except the thermostat didn't show a COOL mode.When in HEAT mode though....and furnace turns on.....we can see the AC compressor outside turning on and running also. ( the winter cover is blowi...

On my existing thermostat I have three wires (white, green,red) and a red jumper wire.The white and green wires are connected to the corresponding W & G terminals.The red wire though is connected to the B terminal though. When connecting to the Nest ...