Showing results for 
Search instead for 
Did you mean: 
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

Nest learning thermostat 3rd gen

Nest thermostat heat goes beyond the set temp and have to shut manually the furnace power supply though it showes off on app and the thermostat.

Rishi by Community Member
  • 3 replies
  • 0 kudos

Inconsistent heating

I live in the UK and recently (4 weeks ago) had a nest 3rd gen thermostat installed. I am finding it difficult to heat upstairs in the evenings as the thermostat is downstairs. I’m not convinced the temp displayed on the screen is a true reflection o...

Paulrigs by Community Member
  • 14 replies
  • 0 kudos


Hi, I have a heat pump. I have 3 wires that I don’t know where they go. blue to B , and White to E. Nest has no B or E. Nest has OB open.

"No power to Rc wire detected" E73.

Doing research here this post has occurred several times but are all closed. The answers are not fixing the problem. This has happened daily for me for several days now. Works fine and then error message and system turns off the AC. My fix has been w...

CDF1 by Community Member
  • 67 replies
  • 9 kudos

Small Claims Court

Google owe me money for an engineer who fitted a replacement Nest Thermostat heat link back in May.Since then they sent me a physical cheque, which took 3 months and a week to arrive. But google cancelled the cheque.I was then told I would be refunde...

GavinHuss by Community Member
  • 10 replies
  • 0 kudos

Resolved! Nest Heat link dead, power to it but no led lit

My Nest Heat link module is dead.Power is being supplied and has been checked at 240V, no breakers tripped no fuses blown.The Heat link led is not lit and of course this means the thermostat is not working so no hot water or central heating.Can I ask...

Installinh nest e, have a blue wire

On my old thermostat, a Honeywell one, there was a blue wire connected to the K spot. As you know there is no K on the nest, so which spot would I put the blue wire into?

Seifert by Community Member
  • 3 replies
  • 0 kudos

Heatlink has Lost power

Hi my heatlink has lost power this morning. I have tried resetting boiler, all wires are ok and no fuse is out. Looks like I need a replacement. please help

Kam by Community Member
  • 1 replies
  • 0 kudos

No heating

My thermostat is turning orange as normal and saying it’s heating but my boiler is not firing up and the radiators are cold! Please help

Sseezzaa by Community Member
  • 7 replies
  • 0 kudos