Why Your Nest Thermostat Isn't Operating Right and How to Solve the Problem

April 13, 2021

The Nest thermostat is one of the best-selling smart thermostats on the market today. And for good reason. It picks up on 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 home or away and can raise and lower 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 check the Nest thermostat compatibility checker before purchasing one. Don’t forget to check with your energy provider for valuable rebates, since you might be able to get a Nest for free or close to it.

Once you’ve made sure it’s compatible, you can either hook it up yourself or hire a HVAC professional like Giordanos Heating and Air Conditioning. If you’re wiring it yourself, 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 because the thermostat can get enough power from other heating and cooling wires.

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

Why Your Nest Keeps Losing Power and Other Malfunctions

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

8 Common Nest Thermostat Problems

If it can’t receive adequate electricity, Nest says you may encounter some of these problems:

  1. Short battery life.
  2. Thermostat motion sensing is disabled.
  3. Your thermostat every now and then disconnects from Wi-Fi.
  4. Your system suddenly turns on or off, or won’t stop running.
  5. Your system is producing strange noises, such as 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 notification on your Nest thermostat’s screen, like “heating is delayed for 2:30 minutes.”
  8. The system fan is always working, won’t run or turns off and on repeatedly in a short period of time.

You could worry something is suspect with your heating and cooling system, but if you just installed the Nest, we advise you begin with your thermostat right away. This is especially true if the weather is temperate, and you haven’t been running your heat or air conditioning frequently.

Our Professionals Can Fix Nest Thermostat Problems

If you’ve tried Nest thermostat troubleshooting by yourself but can’t repair the issue, a smart thermostat specialist such as one from Giordanos Heating and Air Conditioning can provide assistance. We can determine the malfunction and put in a C-wire, if needed.

Smart thermostats like the Nest are designed to make your life more convenient, through automatic energy-efficient programming and the option to check settings while you’re out. It’s an annoying experience when yours won’t work correctly, but our heating and cooling professionals at Giordanos Heating and Air Conditioning can take care of the issue fast.

If you’re experiencing odd heating and cooling behavior with your new Nest, call us at 203-772-8319 to set up your appointment today.