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Is Your Thermostat Playing Games? Troubleshooting Tips for a Faulty Thermostat

Updated: Jul 22

Faulty Thermostat

Are you constantly adjusting your thermostat, only to find your home's temperature never quite reaches that perfect comfort zone? You might be dealing with a faulty thermostat. But before you call in the professionals, let's explore some DIY checks and potential solutions.

First, how do you know if your thermostat is truly the culprit?


Signs of a faulty thermostat:

  1. Inconsistent temperatures throughout your home

  2. Frequent on-off cycling of your HVAC system

  3. The actual room temperature doesn't match the thermostat setting


So, what can you do to investigate?

  1. Check the power source: Is your thermostat battery-operated? Try replacing the batteries. For hardwired models, ensure the breaker hasn't tripped.

  2. Clean it up: Dust and debris can interfere with your thermostat's sensors. Gently remove the cover and use a soft brush or compressed air to clean the interior.

  3. Level check: Is your thermostat perfectly level? Use a spirit level to check. An uneven thermostat can cause inaccurate readings.

  4. Location, location, location: Is your thermostat placed near heat sources or drafty areas? This can lead to false readings.

  5. Calibration test: Use an accurate thermometer to compare readings with your thermostat. Significant discrepancies might indicate a calibration issue.


Still scratching your head? Ask yourself:

  • How old is your thermostat? Older models may simply be reaching the end of their lifespan.

  • Have you recently changed any HVAC components? Sometimes, compatibility issues arise with new installations.

  • Are you using the correct type of thermostat for your HVAC system?


Having trouble with your thermostat? While minor issues can often be resolved through DIY troubleshooting, don't hesitate to contact Zolo Air and Heat if problems continue. A well-functioning thermostat is crucial for your comfort and energy efficiency. Perhaps it's time to assess your thermostat's performance?


Arrange for a quotation appointment.

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