The Nest thermostat is one of the most popular smart thermostats you can buy. And for good reason. It learns your temperature preferences and develops an energy-efficient schedule to match. And by geofencing with your phone, the Nest Learning Thermostat and Nest E are aware of when you’re at your house or away and can change temperatures to help you save even more.

The Nest works with a full range of 24-volt heating and cooling systems, but it’s always a wise idea to visit the Nest thermostat compatibility checker before installing one. Don’t forget to check with your energy company for valuable rebates, as you might be able to get a Nest for free or close to it.

Once you’ve checked it’s compatible, you can either install it yourself or contact a HVAC specialist like Mayeuxs AC & Heating. If you’re installing it on your own, you’ll see a terminal for the C-wire, or common wire. This wire is only used for powering your thermostat. If your residence or HVAC system is older, you might not have one of these wires. Most of the time, Nest says this isn’t a setback since the thermostat can get ample power from other heating and cooling wires.

In some instances, your heating and cooling system could have to have that C-wire. And here’s why.

Why Your Nest Keeps Losing Power and Other Issues

The Google Nest Thermostat is better than aging programmable thermostats that rely on a combination of wiring and AA batteries for power. It has a rechargeable lithium-ion battery and wiring to link to Wi-Fi, power its digital display and operate your heating and cooling system.

8 Common Nest Thermostat Problems

If it can’t get enough power, Nest says you might encounter some of these issues:

  1. Poor battery life.
  2. Thermostat motion sensing won’t operate.
  3. Your thermostat occasionally disconnects from Wi-Fi.
  4. Your system suddenly turns on or off, or won’t shut off.
  5. Your system is creating strange noises, like chattering, stuttering, clicking or thumping.
  6. Heating or cooling is short cycling, or repeatedly turning on and off in a short period of time.
  7. There is a delay notice on your Nest thermostat’s screen, along the lines of “heating is delayed for 2:30 minutes.”
  8. The system fan is continuously running, won’t run or turns off and on frequently in a short period of time.

You might believe something is up with your heating and cooling system, but if you just started using the Nest, we recommend you start with your thermostat initially. This is especially true if the weather is moderate, and you haven’t been relying on your heat or air conditioning much.

Our Professionals Can Resolve Nest Thermostat Issues

If you’ve gone through Nest thermostat troubleshooting without help but can’t solve the issue, a smart thermostat specialist like one from Mayeuxs AC & Heating can assist you. We can diagnose the problem and install a C-wire, if needed.

Smart thermostats including the Nest are created to make your life easier, with automatic energy-efficient programming and the opportunity to check temps while you’re on the go. It’s a frustrating experience when yours won’t work like it should, but our heating and cooling specialists at Mayeuxs AC & Heating can resolve the problem quickly.

If you’re experiencing strange heating and cooling behavior with your new Nest, call us at to set up your appointment right away.