When properly working, your furnace should be nothing more than a faint sound in your home. However, when something is amiss with the system, your furnace can make a variety of noticeably loud and annoying sounds. Unfortunately, you may not know what these sounds mean or what action you need to take to stop the noise and get your furnace working correctly. Here are three common noises your furnace may make when repair is needed and the actions you should take if you hear one of these sounds.
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