This is a known Google weather sync issue, not your thermostat
sensor.Why it happensGoogle Home / Nest gets outdoor temperature from a
third-party weather provider, not from your thermostat or live
sensors.Sometimes that data lags, caches, or pulls f...
Hi @Dfrost09, this sounds like a serious thermostat or wiring issue.
First, check that your Nest firmware is up to date and that the wiring
matches Nest’s recommended configuration. If it still overheats, shut
off the furnace at the breaker before re...
Yes, that’s correct. The new Nest Thermostat (2020+ models) often
requires a C (common) wire to provide continuous power, especially if
your HVAC system can’t supply enough power through the existing wires.To
check:Remove the old thermostat and look ...
Hi! Please provide a clear picture of your thermostat wiring and your
HVAC system’s control board. With 5 wires (brown, green, blue, red,
black), we can guide you on the correct connections for heating.
Totally feel your pain! Sadly, Gen 4 Auto-Eco can’t be fully turned
off—disabling presence and Eco settings helps a bit, but it still
overrides sometimes. Frustrating for comfort and pets!