Why Is Your Furnace Making a Whistling Sound?
Your heating system will always be louder than your air conditioning, as gas furnaces make quite a bit of noise when they run. However, if you hear any whistling or other unusual noises whenever your furnace is running, it indicates some issue preventing your heating system from working properly. With that in mind, here is a full overview of why furnaces sometimes whistle and what issues can cause this. What Causes a Furnace to Whistle? Many people wrongly believe that hearing whistling noises whenever their heating system is running is a sign that
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