Nest smart home devices fell offline during app outage - Gearbrain
What to do if your Hive Thermostat is offline
NEST Integration Issue) 2 NEST thermostats showing in google home app for some reason, one shows offline but seems to work also (Is this normal?) - Configuration - Home Assistant Community
Nest Thermostat Glitch Leaves Users in the Cold - The New York Times
Nest Thermostat E Troubleshooting - iFixit
Google Home Nest Thermostat Offline - YouTube
What to do if your Hive Thermostat is offline
What if my Wi-Fi network goes offline? - Nest Learning Thermostat 2nd Generation - iFixit