If your home comfort system is like those found in most homes in the United States, then you rely on a furnace to keep you warm throughout the colder months. A furnace is a large piece of equipment that connects to the ducts in your home in order to blow warm air throughout the house. A fan sucks in air from your home and uses natural gas or electricity to generate heat. In recent years, new furnace models have been praised for both their efficiency and durability. However, even the toughest system cannot last forever.
Any large mechanical unit will encounter repairs at some point or another. Furnaces are not known for particularly noisy operation, so when you notice unusual noises from your furnace, it’s probably a sign that something is wrong. Keep your furnace working its best all season long by paying attention to the following sounds that may indicate trouble.
- Humming: You’re used to hearing the low humming noise from your furnace fan, but what if the humming does not cease? If your fan is running continuously, even after the home is already at the proper temperature, you may have simply chosen the wrong setting on the thermostat. If this does not appear to be the case, it could indicate a faulty thermostat or a wiring issue.
- Screeching: A screeching noise could indicate a problem with the bearings in the motor or it may mean a worn out fan belt, the component that connects the motor to the fan, which is a simple replacement for a trained technician.
- Grinding: If you hear a grinding noise from your unit, something has most likely gone awry with the fan motor. Be sure to turn off your unit before calling a technician. While it may only need lubrication in some cases, you could wear down the bearings if you continue to run the furnace.
- Rattling: A rattling sound may be a normal part of your system cooling down. However, you should be concerned if the rattling sound is new, as it could also indicate a loose part.
Call the friendly experts at JW Heating & Air to find out more about our heating services in Los Angeles.