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Nest Thermostat OFF But Heating ON?- (9 Easy Fixes) 2024

nest thermostat heat not turning off

Yesterday something strange happened, I turned OFF my thermostat before leaving for office but when I came back the heating was still ON. I started to panic, why did this happen? Was there something wrong with my thermostat?

The intensity of my tension started increasing because before this I came up with another issue where my Nest thermostat was not turning ON AC and kept going offline. It was normal to feel this tension because I didn’t know what to do.

Nest thermostat heat not turning OFF could be due to wrongly inserted wires. To resolve this issue make sure that every wire is inserted correctly and along with this keep a regular check and balance on your system.

NEST THERMOSTAT OFF BUT HEATING ON:

There are multiple reasons for the occurrence of this problem. If we were to generally pin down the reasons then you could consider the following ones:

  • Your system is in a need of maintenance
  • The thermostat needs to be repositioned
  • Un-updated thermostat system
  • The wire insertion needs your attention
  • There are certain compatibility issues

NEST HEATING WON’T TURN OFF – TRY THESE FIXES!

It isn’t going to happen that we have told you about the issues but not their fixes. So in this section of the article we are going to tell you about the fixes which you can try to overcome this problem.

1. MAINTENANCE NEED:

When you buy smart products then you also have to look after them regularly. Same is the case with thermostats, they need your constant attention otherwise they will start working improperly. You can figure out that your system needs maintenance by restarting your thermostat and then checking if it is working fine or not. If it works fine for only a short period of time then it means it is in a need of maintenance.

There are 2 ways for checking the maintenance need, first one is the restart method and the second one is replacing your new thermostat with an older one to ensure its working.

METHOD 1 – RESTART YOUR THERMOSTAT:

To restart your thermostat, follow the below mentioned steps in order to avoid any technical inconvenience.

STEP 1 – Make sure your system is turned OFF, for this you will have to switch OFF the breaker
STEP 2 – Now wait for some time and then turn ON the system again
STEP 3 – After the system has turned ON fully, check whether it is working just fine or not
If the system is not working properly after some time has passed then it sure is in the need of maintenance.

RESTART NEST THERMOSTAT

METHOD 2 – REPLACE YOUR THERMOSTAT:

Another way is to remove your current thermostat and replace it with your old thermostat. If the old one is working just fine then it means your current thermostat needs maintenance to work properly. But if you are not understanding the problem then it is always advised to contact the expert.

2. TEMPERATURE SETTINGS ADJUSTMENT:

If your thermostat is providing heat even though it is turned OFF then you should try adjusting your temperature settings. For this you need to perform a small test on your thermostat. Set your thermostat to the lowest temperature. Wait for some time, if it adjusts to a higher temperature automatically and stops heating, then it means the issue lies within the temperature settings.

If this is the problem then you will need to perform a reset on your thermostat so that all the settings get removed and you can add the new ones.

TEMPERATURE ADJUSTMENT

3. THERMOSTAT POSITION:

Selecting an appropriate position for your thermostat is an important task. You simply cannot place your thermostat just anywhere, there has to be a specific position for your thermostat. The most recommended position is its placement inside the interior of a wall at about a chest-height.

However, you also need to take care of the place where you are placing your thermostat. You have to place your thermostat where there is no external temperature affecting it. Suppose you place the thermostat outside your kitchen, the heat coming from the kitchen might make the temperature to fluctuate due to the presence of heat.

RECOMMENDED PLACES TO PLACE YOUR THERMOSTAT:

  • Dining room
  • Living room
  • Place with a natural air circulation

4. WIRING CHECKUP:

To ensure that the wiring of your thermostat is proper, you will need to check the furnace system. If your furnace system is operating by forced warm air then chances are that it might provide heat even if the thermostat is OFF.

For this you will need to check the switches which enable the blower fan. Make sure that these switches are at Fan OFF mode. You can also separate the thermostat wires from the heating system. For this you will have to first identify the red and white wires. These wires will be connected to T1 and T2 terminals of the controller. Remove them and see if the issue has been resolved or not.

RESOLVE WIRING ISSUE

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5. SYSTEM COMPATIBILITY:

Nest thermostat turning OFF but still providing heat could be due to system incompatibility. It is possible that your system isn’t compatible with your Nest thermostat. To check this, you will have to use Nest App which will inform you about the systems which are compatible with your thermostat. According to that, you can make the required changes.

6. C-CONNECTOR ADJUSTMENT:

The unusual fix could be that the wire in the C-Connector isn’t properly inserted. To ensure the proper insertion it is better to look at the wiring diagram that came with your old thermostat. If there isn’t any wire in the C-Connector then look for the one which is present in your system’s board. Find it and connect it with your thermostat.

<strong>NOTE</strong>
While doing the above mentioned procedure, make sure that you turn OFF the electricity supply in order to avoid any unfortunate accident.

Wiring Diagram

7. NEST POWER CONNECTOR:

If you want to buy something more affordable and effective than a simple C-wire then it is always a better option to purchase a nest power connector. It is much more powerful and efficient than C-wire. You will have to call the experts in order to get this power connector installed.

NEST POWER CONNECTOR

8. UPDATING NEST THERMOSTAT:

If your thermostat runs on an older version then it will show abnormal behavior like this problem. It is always a better option to keep your thermostat updated because otherwise half of your time will be spent worrying.

STEPS TO FOLLOW:

If you want to update your nest thermostat then follow the below mentioned steps.
STEP 1 – Make sure your thermostat is in OFF mode
STEP 2 – Navigate towards β€œSettings”, from there select the option of β€œVersion”
STEP 3 – Click on β€œUpdate”, your thermostat will be updated accordingly

UPDATING THERMOSTAT

FINAL THOUGHTS
If you still are unable to solve the issue by adopting the above mentioned fixes then we would suggest you to contact Google Nest. They will diagnose the issue and will solve it in the best possible way. However, you must try solving the issue first by your own self and then try contacting the help.

FREQUENTLY ASKED QUESTIONS:

Q – Why Is My Heating ON When Nest Is OFF?
A – Turning OFF your thermostat doesn’t mean that your entire system has been shut down. There will still remain some power which will be used by your thermostat to use Safety Temperatures in order to protect your home from extreme weather conditions.

Q – How Do I Stop My Nest Heating Coming On In The Night?
A – To stop Nest heating coming on in the night you will have to perform the following steps.

  • Open the Nest app and select your thermostat
  • Go to β€œSettings” and then select β€œAuto-Schedule”
  • Tap on the switch if you want to turn it OFF

Q – Does Nest Automatically Turn ON Heat?
A – The system will automatically switch between heating and cooling depending upon the temperature that you have manually set. This switching will help to maintain a balanced temperature for your environment.

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