Furnace Fan Noise Reduction

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Furnace fan noise reduction.

The in line noise muffler will not only reduce the noise from the fan but noise from other rooms that travels through the ducts. Sound damping melamine installed right besides the blower in the furnace. Follow the following procedure when building sound insulation for the furnace. Or if you have the space for it build some baffles out of 2x4 acoustic ceiling tiles inside the return chamber like below.

There are many ways of reducing noise through the duct work but the easiest and most effective method without restricting airflow is installing an in line noise muffler. A properly functioning furnace shouldn t make too much noise especially after initially starting. Fiberglass duct liner absorbs noise and contributes to indoor comfort by lowering heat loss or gain through duct walls. Train noise coming out of furnace.

The sponge also offers a cleaning effect to your furnace. Furnaces generally aren t noisy and most modern furnaces are designed for noise reduction. While the motor and fan inside your furnace makes considerable noise you don t exactly want it to sound as if you re standing next to a train when you go up next to it. Sandwich the magic eraser sponge with a galvanized steel sheet.

I used to measure in the furnace room at a distance of 1m from the blower door 62dba and after installingthis foam it went down to 58dba. Make sure that your furnace filter is clean and isn t restricting airflow by being dirty. One that is generally needs repairs and the type of sound you re hearing can help determine the exact issue with the system. Fiberglass duct liner is designed to be installed inside sheet metal ductwork and plenums.

For effectiveness use the foam next to the blower intake.