Why Is My Furnace So Loud All of a Sudden? 7 Possible Reasons and How to Fix It
Why Is My Furnace So Loud All of a Sudden? A furnace can become loud all of a sudden due to various reasons. It could be a failing motor, dirty burner, unbalanced air-to-fuel ratio, dirty pilot light, clogged air filters, loose joints or holes in ductwork, failing motor, loose vent covers, cracked heat exchanger, blower…