Why Your Nest Thermostat Isn't Working and How to Fix It

April 13, 2021

The Nest thermostat is one of the best-selling smart thermostats on the market today. And for good reason. It learns your temperature preferences and creates an energy-efficient schedule to match. And through geofencing with your phone, the Nest Learning Thermostat and Nest E realize when you’re at your house or out and about and can adjust temps to help you save even more.

The Nest is compatible with a full range of 24-volt heating and cooling systems, but it’s always a good idea to use the Nest thermostat compatibility checker before installing one. Don’t forget to talk with your energy provider for valuable rebates, as you could be able to get a Nest for free or close to it.

Once you’ve checked it’s compatible, you can either install it without help or call a HVAC professional like Dearing's Service & Solutions. If you’re putting it in yourself, you’ll notice a terminal for the C-wire, or common wire. This wire is only used for powering your thermostat. If your home or HVAC system is older, you might not have one of these wires. In most cases, Nest says this isn’t an issue as the thermostat can draw adequate power from other heating and cooling wires.

Sometimes, your heating and cooling system may need that C-wire. And here’s why.

Why Your Nest Keeps Losing Power and Other Problems

The Google Nest Thermostat is a step up from outdated programmable thermostats that use a combination of wiring and AA batteries for power. It has a rechargeable lithium-ion battery and wiring to sync with Wi-Fi, power its digital display and turn on your heating and cooling system.

8 Common Nest Thermostat Malfunctions

If it can’t draw ample juice, Nest says you might encounter some of these troubles:

  1. Bad battery life.
  2. Thermostat motion sensing is disabled.
  3. Your thermostat sometimes disconnects from Wi-Fi.
  4. Your system suddenly turns on or off, or won’t shut off.
  5. Your system is creating strange noises, such as chattering, stuttering, clicking or thumping.
  6. Heating or cooling is short cycling, or constantly turning on and off in a short period of time.
  7. There is a delay notification on your Nest thermostat’s screen, such as “heating is delayed for 2:30 minutes.”
  8. The system fan is continuously working, won’t switch on or turns off and on rapidly in a short period of time.

You might think something is up with your heating and cooling system, but if you just installed the Nest, it’s best to begin with your thermostat right away. This is especially timely if the weather is temperate, and you haven’t been using your heat or air conditioning consistently.

Our Professionals Can Resolve Nest Thermostat Troubles

If you’ve tried Nest thermostat troubleshooting without help but can’t solve the issue, a smart thermostat specialist including one from Dearing's Service & Solutions can provide support. We can diagnose the issue and put in a C-wire, if required.

Smart thermostats like the Nest are designed to make your life easier, by automatic energy-efficient programming and the opportunity to monitor temps while you’re away from home. It’s a time-consuming experience when yours won’t run properly, but our heating and cooling professionals at Dearing's Service & Solutions can resolve the issue fast.

If you’re running into weird heating and cooling behavior with your new Nest, give us a call at 812-200-5844 to book your appointment today.