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Is it Normal if my Thermostat Makes a Clicking Noise?

3iE Energy-Monitoring Thermostat

It is normal for the thermostat to make clicking noises.

Have you ever noticed a clicking noise coming from your thermostat and wondered if it’s normal? You’re not alone. Many homeowners experience this phenomenon and may be unsure about its significance. In this post, we will delve into the topic of thermostat clicking noises, exploring whether they are normal, what causes them, and how to address any concerns you may have. Understanding the nature of these sounds will help you maintain a comfortable and efficient heating system in your home. So, let’s get started and unravel the mystery of clicking thermostats.

Yes, it is normal for the thermostat to make clicking noises.

The clicking noises are the relay opening and closing to let the power through to the heating system. While it should be hardly noticeable, it can be reduced by insulating the surrounding of the electrical box in which it is mounted. You should also ensure that the screws mounting both the box and the thermostat are tight.

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This rapid opening and closing of the relay results in the characteristic clicking sound. It is an indication that the thermostat is functioning as intended, activating the heating or cooling system as required. In most cases, the clicking noise is relatively quiet and should not cause any concern.

However, if you notice that the clicking sound is excessively loud or disruptive, it may be worth investigating further. Loose connections, faulty relays, or other underlying issues can amplify the clicking noise.

Overall, while the noise from thermostats is a normal occurrence, it is essential to be aware of any unusual or concerning sounds. Regular maintenance and timely repairs can help ensure the optimal performance of your thermostat, keeping your home comfortable and energy efficient.

If you have any concerns or questions about your thermostat or its noise, don’t hesitate to reach out to our knowledgeable support team. We’re here to assist you and provide the necessary guidance to address any issues you may be experiencing. To access our support services, simply reach out to us at 888-927-6333.


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