Why does my furnace make a screeching noise when I turn it on?

Screeching If you’re hearing a loud screeching sound along with a rattle when you turn the furnace on, this could be the bearings in the blower motor, or the motor itself. The motor requires regular lubrication to maintain top performance. Otherwise, the fan can seize up, which can be costly to repair.

What to do if your furnace blower is too noisy?

If you’ve already done all you’re able or willing to do, and your furnace blower is still too noisy for your liking, you should call in a professional furnace repair service to fix the issue. They will be able to more easily identify and then remedy your furnace’s noise issues.

Why is my furnace blowing so much hot air?

The furnace blower is the part of the furnace that blows hot air into your ductwork so that it can make its way throughout your home. The blower is made up of a blower motor and a blower fan, and issues with one or both of these components could be making your furnace much noisier than it has to be.

What should I do if my furnace makes a humming noise?

A lot of transformers make humming noises, but it shouldn’t be so loud that you can hear it when standing next to your furnace. If you hear the humming sound but still have heat and your furnace is working then it is probably ok to allow the system to run until a technician can get to your Wake Forest home and diagnose the issue.

What to do if your furnace is making a whistling noise?

Start by looking at the blower speed. Many modern furnace models allow you to adjust the speed of the blower fan, which may eliminate the sound you’re experiencing. Contact an HVAC specialist to adjust this setting for you. You could also be hearing a high-pitched whistling sound from your air vents.