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Nest Thermostats
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Forum Posts

Need help with setup? Troubleshoot common Nest Thermostat problems

Here are some steps I recommend to resolve issues during the setup of Nest Thermostats.Before trying these stepsMake sure you're using the correct app for setup. Need help checking which model you have? Use the Google Home app to set up the following...

David_K by Platinum Product Expert
  • 4519 Views
  • 0 replies
  • 5 kudos

Nest Thermostat not turning central heating off

Hi. I had a Nest thermostat installed yesterday with a brand new boiler. The heatlink and the thermostat seem to be communicating just fine. However no matter what I set the thermostat to do the boiler doesn't turn the heating off. It is constantly o...

Replacing old 2-wire Honeywell with a Nest

I have an old Honeywell 2-wire mercury switch thermostat (R & W wires) that is connected to 240V baseboard load via a relay. How do I get power to the Nest? There is a spare green wire disconnected at both ends. Can I use this to supply 24V to the Ne...

Nest Thermostat blowing room temp air in heating mode

I have had a nest thermostat e for about four years, I installed it in my previous apartment and just moved to a new unit in the same complex. The past four years when heating it would only blow room temperature air, but still heat the apartment just...

dmgrove by Community Member
  • 133 Views
  • 1 replies
  • 0 kudos

Nest app has no schedule

My nest thermostat is no longer in the Nest App, and neither is the schedule.The App doesn’t even look the same as used to be blue and now its black.It still recognoses my address but there is no functionality in it anymore. Tried reseting the thermo...

Bexxx by Community Member
  • 74 Views
  • 1 replies
  • 0 kudos

Nest Thermostat is not heating

My Nest Thermostat stop working properly two days ago, out of the blue. When set in heat mode the Thermostat will not turn on. It says “in 40 minutes or 1 hour” but never comes on. The only way the heat comes on is by changing the thermostat to test ...

Marcus5 by Community Member
  • 105 Views
  • 1 replies
  • 0 kudos

No c wire error

I work in an old building that uses a dated thermostat. The thermostat has a yellow, red, white and green wire. Coiled around the wiring harness is a blue wire, which I assume is the C, but it doesn’t appear to be providing power when I connect it to...

Damoose by Community Member
  • 139 Views
  • 3 replies
  • 0 kudos

Can't tell if HVAC is compatible with Nest

Hi all,Apologies for my ignorance, but I can't tell if my system is compatible with Nest based on the compatibility questions. Hopefully this picture of my system is enough for someone to tell if it's compatible or not. Thank you in advance for your ...

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Nest Thermostat E initial set up connection issue

Hi All, I bought a brand new sealed Nest Thermostat E from EBay (verified selling company, not some random guy) and only had a chance to try install it today. Im in the UK and have a combi boiler system, currently have Honeywell thermostats installed...

OnlyFabs by Community Member
  • 78 Views
  • 0 replies
  • 0 kudos