Nest Thermostat not charging (How to Fix)

How can you fix a Nest thermostat that isn’t charging or has a low battery? Try reading this troubleshooting guide if your Nest thermostat is not charging or the battery is low.

What is the Nest Thermostat?

The Nest Thermostat is a smart thermostat that lets you manage the temperature from your phone via an app. Nest distinguishes itself by making the user experience pleasurable and straightforward to use for anybody. 

The Nest thermostat is one of the best purchases me and my family have made. Controlling the temperature of the household in bed has to be the best perk.

Apart from that, you can also set schedules to sleep in a lovely cold house and wake up in a warm one. Because who can get out of bed when the house is cold?

Perks of the Nest thermostat

The new Nest interface gives you more options for keeping your home at a comfortable temperature. Plus, the Nest thermostat’s software supports you in learning new technology. 

It assists you in comprehending the many possibilities and guarantees that you recall your inputs and some of the most typical alterations to make. 

One of the many perks involved is using your ZIP code to determine if the outside temps are hot or cold and adjusting accordingly to meet your requirements.

If you are aware of these behaviors, you may program the thermostat to regulate itself and save yourself time. When the thermostat operates on your behalf, it adjusts to guarantee that your home does not consume too much energy.

You also get a minimum and maximum temperature setting, which is excellent for getting your house ready while you’re on the road. Thus, it is overall a straightforward approach to saving money, want to know how? How does a Nest thermostat save you money? Read the article to find out!

Nevertheless, if your Nest is giving you trouble, especially with its battery, keep reading on to find out how to fix it.

The issue is that if the battery charge is below its functioning capabilities, the thermostat may not work. If you have a Nest thermostat installed in your house, you may encounter battery issues.

Signs your Nest Thermostat is not charging, and the battery is low.

The Nest gadget will provide a low battery signal because the thermostat is a smart device. It means the thermostat is nearing the end of its battery and will switch off if not recharged. 

On the thermostat, there is also a blinking red light. The low battery issue with the Nest thermostat might lead to a variety of additional problems. 

Here are a few examples: 

  • The non-responsiveness of the display 
  • Loss of your thermostat’s Wi-Fi connection 
  • The thermostat is unable to send a signal to your home’s HVAC system to heat or cool it.

Thus, if this is happening to your Nest thermostat, you must fix it as quickly as possible. Do not leave it for the last minute as it might leave you unable to control your home’s temperature.

How Do I Fix My Nest Thermostat’s Low Battery Issue? 

Nest Thermostast setup

Over time, the thermostat’s battery may have issues. The Nest thermostat battery won’t charge, or the Nest thermostat won’t charge are two of the most prevalent complaints you’ll come across online. 

Charging the battery might assist you in determining the source of the problem. To do so, remove the Nest device from the wall and connect it to an outlet with a Micro USB cable. 

It might take anything from one to two hours to complete the operation. While you investigate the difficulties, charging the battery is a temporary remedy since it guarantees that your Nest thermostat operates regularly.

According to Nest, low battery issues should never occur since the battery can retain its charge utilizing the Rc and Rh wires from your HVAC system. 

When the AC is turned off, the thermostat runs on battery power, but when your HVAC is turned on, it switches to HVAC power. 

If you go too long without turning on your air conditioner, the thermostat will switch it off to keep the battery charged.

Attach to the Base 

A simple but overlooked reason you have a Nest thermostat that isn’t charging is that it isn’t properly connected to the base. Thus, giving you battery issues. Examine the connection to ensure that all connections are correctly aligned for electricity to flow.

Use a C wire adapter. 

This will allow you to power the Nest Thermostat. If you need to change the battery in your Nest thermostat, you should think about C-wiring. 

With this option, you can rest assured that your thermostat will always have electricity. It will be easier to connect to the thermostat and achieve steady power flow if it has a C-wire fitted.

Among the other C-wire options are: 

Installing a C-wire transformer — For most individuals, this is a low-cost remedy since you get to use a C-wire transformer that you can put into your AC outlet. 

Installing a C-wire — either indirectly or directly, can be a complicated process since it entails wiring cables from your HVAC system to the thermostat. 

Fast Stat is one of the solutions that help overcome the problem by providing a wireless C-wire connection. 

It is a transmitter hidden behind a wall and connects to a receiver. The best part is that it doesn’t require batteries and can reach distances of up to 300 feet. 

Utilize the G-wire as a C-wire — This approach requires you to use the G-wire as a C-wire. You are swapping your G-wire, which is the fan control cord that ensures that your thermostat is constantly powered. 

The battery should be replaced. 

If the Nest device is still under warranty, you have two alternatives. You can contact your store for a replacement, which will be a simple and free remedy, or replace it and purchase it yourself.

If the manufacturer’s warranty doesn’t cover the battery, you can buy it and replace it yourself. 

What Is the Battery Life of a Nest Thermostat? 

The Nest thermostat battery should last anywhere from an hour to a few days without being charged directly by the HVAC system. 

On the other hand, the battery’s longevity is determined by the amount of continual charge it receives from the HVAC system. 

The battery may easily last 5 to 10 years if the thermostat is connected to a consistent power source because it is hardly utilized as the power is mainly used from the AC.

Is it necessary to charge the Nest Thermostat? 

The Nest Thermostat is designed to charge the battery via the wires’ heating and cooling system. 

However, if you have any problems or your thermostat displays a low battery level, just remove the display and connect it to a power source through a USB (micro/mini) connector. 

What kind of battery is used by the Nest thermostat? 

The Nest thermostat uses a 3.7 VDC Lithium polymer battery (380 mAh). 

How long does the Nest thermostat battery survive when it is turned off? 

The Nest Learning Thermostat’s 3.7 VDC (380 mAh) Lithium Polymer battery lasts for 2-3 hours without electricity. Your Nest Thermostat will not stay smart if the battery is low.

In Sum

If your HVAC stops working, so will your Nest thermostat after its battery runs out. The two are connected, thus powering on the device and its settings. However, this issue is not incredibly hard to fix and can be done quickly.

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