02-18-2025 07:44 PM
I got the nest thermostat from my son this last summer. I have a A/C , Heat pump, and Auxiliary Heat. It's all electric new blower and condenser installed 2021. I ran the A/C having no issues with the battery running low.
But now that it's winter the battery kept dying and having to charge it by USB. I purchased the C wire adapter. Because my unit doesn't have C wire nor a circuit board. The thermostat wires are connected too the other wires by wire nuts. I followed the instructions and watched videos. Just reinstalled it four times now. The nest never recognized the C wire adapter. If someone could help me figure this out it would be greatly appreciated.
02-18-2025 09:16 PM
Can you post a picture of the connections in the furnace/air handler?
Also, can you post a picture of its manufacture and model number?
Most of the time the installers will leave the installation manual with the unit. Post a picture of its front cover if you can.
02-19-2025 01:27 PM
02-19-2025 01:30 PM
no manual was left
02-24-2025 08:23 PM
Hi @Jaybird82
Thanks for reaching out to the Community! I noticed that you're having trouble with your Nest thermostat's battery dying in the winter, even after installing a C-wire adapter. You've reinstalled it multiple times, and the Nest thermostat isn't recognizing the C-wire. I understand how frustrating this situation can be, but don't worry! Let me help you with that!
Before we continue, I need a little more information to provide you with more accurate steps:
Once you have this information, I will be more than ready to assist you!
Best Regards,
Debora