Google Nest Community

My nest wifi was unplugged and when I plugged it back in it would no longer reconnect. So thtough Google Home I went through the process of re-setting it up. I no longer have the QR scan barcode but I see the setup code. However when I type the setup...

How do I turn off ECO permanently? I will be home sleeping at night and the thermostat will go into ECO mode. The temperature drops then my family complains at how cold it is. I just want it to stay at a specific temperature through the night and sto...