Google Nest Community

Nest compatibility

Hello world. I have an Heat pump system with Natural gas back up furnace. It is using a Honeywell VisionPro IAQ thermostat and a Honeywell THM5421C equipment interface. I want to change to a NEST. Is there a wiring diagram for changing to this? The t...

Nest thermostat

How to temporarily turn off system, eg, open windows in spring 

Comparability or not

How do I know if Nest is power stealing

Hi, I am trying to figure out if my 3rd Gen Nest thermostat is power stealing from my furnace. Any ideas on how I can check that?also, I’ve looked into installing a C wire for it, but there appears to be a white wire connected into the hvac panel (se...

The wiring matching from honewell peaksaver PLUS to Nest Learning

Hi,I am using the honewell peaksaver PLUS thermostat and would like to replace with Nest Learning Thermostat. The old one get wire for K, R,W and C. I cannot find K wire for Nedt Learning. And should R to Rc, W to W1?How should it map with Nest Learn...

Installed c wires now heat stays on

 Anyone has this issue my wires had to install c wires but now heat stays on I shut power to boiler but continues is there a possibility that the c wiring is installed wrong in this pic Two black wires connect to W and two orange connect to R from ol...

Is my system compatible with Nest?

Feature Request: Add "Peak Time" to Nest Sense configuration submenu

Hello GoogleMy thermostat places itself into Peak Time (usually during off-peak hours). We neither subscribe to our utility company's adjustment scheme nor to Nest Renew.Nest Support recommended modifying Nest Sense > Auto Scheduling > OFF to resolve...

Ac won't stay on

My ac worked last year with my nest thermostat but this year it says "starting soon". It will count down start for about 15 seconds and then go back to starting soon