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Is the transformer supposed to make a loud buzzing noise even when the furnace is not running?

Post created: 2016-03-01 Type of Equipment: Furnace Views: 253

This question was created on the page: https://www.furnacecompare.com/furnaces/trane/xr80.html.

There is a transformer in the unit that makes a humming/buzzing sound even when furnace is not running

On 2016-03-01 Gary wrote:

Yes, a transformer can make a buzzing noise even when the furnace isn't running, and some units can be louder than others. However, if it seems to have gotten louder, or if the humming noise is too loud, it would be a good idea to contact a heating contractor to find out if there is a problem, such as a defective transformer. If you'd like to have a contractor take a look at this, we can help you find one, here.

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