Nest thermostat gen 3 heat set to 71 but only heats up to 67

[Steven37]

My Nest thermostat gen 3 heat is set to 71 degrees but only heats up to 67 degrees. It stops at this temperature and I don't know why.

I've edited the scheduled and auto schedule and neither of these fix the issue. I've manually modified the temp on thermostat and app. I've disabled the option to check if my phone is nearby to turn on. I've rebooted the thermostat. I've unplugged/plugged in furnace, and this starts blowing hot air again but it stops at 67 deg... Nothing works. 

The thermostat shows that it's still heating but the furnace is not pushing out air. Can someone help?

[virnab]

Hi Steven37,

Thanks for reaching out to our community.

I’m sorry to know that your Nest Learning Thermostat (3rd gen) is set to 71 degrees but only heats up to 67 degrees. Thanks for letting us know the troubleshooting steps you have tried to better understand the experience that you’re going through. No worries, help is here.

Before I start further troubleshooting, let me ask you a few questions:

1. What country are you located in?
2. Could you please check your Nest Learning Thermostat (3rd gen) energy history?

• Open the Nest app and tap your Nest thermostat on the home screen.
• Tap History for a 10-day summary.
• Tap on any day to learn more details about why the temperature changed.

1. Could you please check if your Nest Learning Thermostat (3rd gen) has a wire in the C connector?
2. Do you know if your Nest Learning Thermostat (3rd gen) is linked to an energy-saving program?

Thanks for your kind attention; I will be waiting for your answer.

Best regards,

Virna

[Steven37]

I've gone through different troubleshooting steps with Google Support which involved factory resets so I have no history. Ultimately, my problem still isn't solved

• Country = United States
• It does have a C-wire and it is connected
• It was linked to energy saving programs such as energy saving based on my location but I turned all those off.

The final thing I tried with Google support was leaving disconnected from wifi for 24 hours and that worked. If I set to 72, then it would heat to 72 and keep it there.

But, once I connected back to wifi, then it started messing up again. The temp would drop to 67 or lower even though it's set to 71.

I currently have the nest thermostat disconnected from wifi and it's maintaining the temperature but I can't use the wifi and nest app.

[virnab]

Hi Steven37,

Thank you for your timely response and the comprehensive information you've provided.

I'm sorry to hear that your Nest Learning Thermostat (3rd gen) still drops to 67 instead of the 71 degrees that you settled on, even though you already tried to resolve the inconvenience with Google Support team assistance, which involved factory resets. We continue working for you, looking for the solution.

My team would like to know more about this behavior. When you get a chance, please fill out this form. Remember to include the link to this post. Let me know when you’re finished. From there, we'll contact you via email.

Your confirmation is crucial to ensuring that I can follow up on your case effectively.

Best regards,

Virna