Tips for Maintaining Your Thermostat

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Home Improvement

A thermostat is a control instrument that reacts to even the slightest changes in temperature. Although it has fewer parts than other heating and cooling system components, it can cause issues if not properly maintained.

If the thermostat cover is not installed correctly or is knocked out of place, the heater or air conditioner may fail to start. Additionally, the thermostat base can become unlevel, causing it to behave abnormally. Dirt is a more common problem, as it can affect the calibration of the thermostat and disrupt its functionality. If the thermostat is set for 70 degrees Fahrenheit but maintains a temperature of 73 degrees Fahrenheit, your fuel bill could increase by up to 7%. To prevent this, check the thermostat’s accuracy every year before the heating season begins.

Switches on the base and wires near the bimetallic element can loosen and corrode, causing other issues with the thermostat. Use a screwdriver to tighten loose connections and a cotton swab to remove corrosion.


1. What are some common signs that my thermostat may need maintenance?

If your thermostat is not functioning properly, there are a few signs you may notice. One of the most common is that your heating or cooling system is not turning on or off when it should. You may also notice that the temperature in your home is fluctuating more than usual, or that your energy bills are higher than normal. If you suspect that your thermostat is not working correctly, it is important to have it checked by a professional.

2. How often should I have my thermostat checked?

It is recommended that you have your thermostat checked at least once a year by a professional. This can help ensure that it is functioning properly and that there are no issues that need to be addressed. If you notice any problems with your thermostat, such as those mentioned above, it is important to have it checked as soon as possible.

3. What can I do to maintain my thermostat?

One of the most important things you can do to maintain your thermostat is to keep it clean. This means wiping it down regularly with a soft, damp cloth to remove any dust or debris that may have accumulated. You should also check the batteries in your thermostat regularly to ensure that they are working properly and replace them as needed.

4. Can I replace my thermostat myself?

While it is possible to replace your thermostat yourself, it is generally not recommended. This is because thermostats can be complex and difficult to install correctly. If you are not experienced with HVAC systems, it is best to hire a professional to replace your thermostat for you.

5. How long do thermostats typically last?

Thermostats can last anywhere from 5 to 10 years or more, depending on the brand and model. However, if you notice that your thermostat is not functioning properly before this time, it may need to be repaired or replaced.

6. What can I do if my thermostat is not working?

If your thermostat is not working properly, the best thing to do is to have it checked by a professional. They can diagnose the issue and recommend the best course of action, whether that be repairing or replacing the thermostat. In the meantime, you can try resetting the thermostat or checking the batteries to see if that resolves the problem.

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