Will my thermostat still work if I lose my WiFi connection?

Yes, the thermostat will continue to operate your heating and/or cooling system even when your WiFi network is down. Some features, such as shortcuts, geofencing and humidification levels, are only managed through the Lyric app and will not function while the connection is down, but you will still be able to adjust your temperature settings directly from the thermostat itself.
Your Lyric thermostat will automatically reconnect to your WiFi once your network is restored.