Why Does My Thermostat Click When It Comes On?

You might already know by now that when your thermostat sends a signal to your air conditioner or furnace, it makes a clicking sound. Some area homeowners may notice it more because this can be a loud click.

Why Does My Thermostat Click?

This clicking sound does not usually indicate any problems with your system. This is the sound your thermostat makes when it opens and closes power to your air conditioner or furnace. All thermostats make this noise, but it should be a very subtle sound that doesn’t disrupt your life in any way.

However, if you hear frequent clicking, this can be a sign that your thermostat is misfiring. Or, if instead of a clicking sound, you hear a loud pop and find that your thermostat is fried, that is generally an indication that a line shorted out.

In these cases, it’s important to work with a reputable HVAC technician to diagnose and repair the issue. Fire 'n' Ice Heating & Cooling, Inc. in Downers Grove, Illinois, is a trusted name for furnace repairs and replacements.

If the clicking sound is abnormally loud — maybe it wakes you up out of a sleep or startles you at night — it might stem from a variety of causes. The clicking sound is often louder and more pronounced if your thermostat is mounted on a hollow wall. Or, if your thermostat is located in a large, fairly empty room, the click can echo.

While you’re never going to eliminate this sound, there are ways you can dampen it.

Install a Buffer Between the Wall and Thermostat

Rubber washers or something similar can fit between the thermostat and the wall. The rubber will eliminate any forced vibration that would amplify the clicking sound.

Move the Location of the Thermostat

This isn’t always a very quick or convenient task, but if the clicking is causing major disruptions, you can consider moving it to a different room where it won’t be as loud and where you won’t be around it as much.

Call in Professionals

You can never go wrong with calling in trained HVAC professionals to double-check whether or not your thermostat or HVAC system requires repairs.

They can help you troubleshoot the issue and come up with the easiest and most effective solution.

Bring in a Trusted Name in HVAC

Fire 'n' Ice Heating & Cooling, Inc. is family owned and operated, and we have attended to the residential and commercial heating and cooling needs of the Downers Grove area since 1977. Rely on our team for equipment sales, maintenance work, emergency repairs, new installations, air quality and more!

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