It is late in the night, and you suddenly hear a screeching sound from your attic. The chances are that the strange noise is coming from your furnace unless you have a bat infestation. A furnace that is fully functioning should not produce funny sounds or too much noise. Therefore, you ought to consider a furnace repair Oshawa as soon as possible before you are forced to replace your furnace. Homeowners ought to look out for these weird furnace noises that indicate the need for furnace repair.
1. Scrapping noises
Scrapping noises from your furnace indicate that there is an issue with its blower wheel. The noise sounds like nails scratching on chalkboards or metal parts rubbing together. The sounds are not fun at all; you need to call a furnace expert to repair your system immediately you hear the scraping noise. The blower wheel might be causing the scrapping noise due to various reasons like when it is lost, and it’s hitting its casing. Also, broken blower wheels produce the noise or a broken motor mount.
2. Screeching noises
If you have heard screeching noises from your furnace, then you probably have motor bearing issues. A furnace technician can fix this issue by adding lubricant to the furnace. The other common cause of screeching sounds is a bad belt that might require replacement to ensure that the blower continues to function.
3. Grinding sounds
Furnaces produce grinding noises when they have issues with the cage blower wheel. Make sure you turn off your furnace immediately you hear this sound because it could damage the entire heating system. You need to call a technician to inspect the furnace to know the type of issues so that he or she can fix it appropriately.
4. Booming sounds
The other common, but weird furnace sound is a booming sound. It usually happens when the burner assembly is blocked, mostly partially. Burner assembly blocks as a result of carbon particles accumulation that occur after natural gas combustion. It is wise to remove the particles to prevent their accumulation, which causes the sound. Also, you can avoid booming sounds by carrying out regular furnace maintenance where a technician cleans up the system.
5. Squealing sounds
Your blower motor will start producing a squealing noise when it is wearing out or getting old. The sound transmits through the ducts, such that you hear the sound all over the house. Therefore, sometimes it can be difficult to distinguish where the noise is originating from, which is why it is essential to call a technician. You might need to replace the motor because of the tear and wear or maintain it. Squealing noises also originate from a shaft bearing that needs oiling and a loose blower belt that needs replacement or adjustment.