Furnace Exhaust Fan Noise

However there is another thing that can cause noise from a gas furnace.

Furnace exhaust fan noise.

The fan is in the combustion exhaust stream to provide evacuation of combustion gasses. Lastly those two things can cause noise all in themselves. Cleaner air means a safer and more efficient furnace. A failing inducer motor may create a noise shortly after a heating cycle begins.

Constantly spinning fan blades accumulate a lot of dust and dirt. One of the first indications of a bad draft inducer motor is likely to be the sound it makes. Inspect the fan while your furnace is powered on take a look at how your fan is running to see if you can pinpoint. When the power vent is noisy there are a few things that could cause this.

What to do for a noisy furnace exhaust fan dirty fan. This could be a tapping noise or a humming or whirring sound. If you notice unusual sounds coming from your exhaust fan we recommend performing these steps to troubleshoot the issue. The fan part of the vent may be part of a self contained unit near the motor or connected directly to the motor itself.

How do i know if the draft inducer motor has gone bad. The forced draft motor or induced draft motor helps this process. Fans spin at high rates of speed and need to turn smoothly. Since the fan is moving quickly and quite frequently there tends to be a lot of buildup of dirt and dust.

Mix this with any condensation or humidity. Clean the fan after turning off your furnace completely. That is the blower motor inside the gas furnace that blows the hot air through the hvac system ductwork.