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Nest Thermostats

Blog Posts

Troubleshoot a W5 Code on Nest Thermostat Read more

Nest Renew: How do you save energy during the Holiday season? Read more

Nest Renew: How are you preparing for an electric future? Read more

Forum Posts

Stop Nest Thermostat changing to high temperature

My thermostat upstairs (I also have one downstairs) keeps adding in a random 23.5’C temperature into it’s schedule. I keep having to delete this.I don’t understand why it keeps doing it (I never have the temperature on either thermostat above 21’C, a...

Nest Thermostat E with Honeywell 9400C

Hello there,I ran through the compatibility checker at and it seemed that the Nest Thermostat E was compatible with the Honeywell ST9400C. However, I think the Honeywell unit has the Wifi built in to the thermostat transmitter, which ...

zingfharn by Community Member
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I bought a nest thermostat and I bought a cwire connector.. I then paid 100$ for a guy to come install it.. when he first got here he said it wasn’t compatible then after a call with his boss he made the thermostat work.. he said he didn’t need the c...

Wickitt by Community Member
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Continuous disconnection from WiFi

I have two thermostat one in my bedroom and one in aisle.The one in bedroom keeps disconnecting from WiFi. I already bought a WiFi extender just to be sure the signal of WiFi connection is stronger but no luck. It still disconnecting. Sometimes for a...

fabreg by Community Member
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Nest sensor override doesn't stick

I have a sensor schedule set up, but (as many have pointed out on the forum) the Night schedule running from 9pm-7am doesn't really work for me. So I tend to override it ad-hoc.Right now the Night schedule is set to use a sensor in my bedroom. Twice ...

floomi by Community Member
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Wiring help

Hi, I have York HVAC system and my thermostat shows R, C, A+ and B- wires. Picture attached. Is my system compatible? I opened HVAC board and it shows same wires and labels. If rewiring required, do you who can come and estimate the cost first? 

Raks by Community Member
  • 3 replies
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