When your furnace is operating correctly, it should provide heat without making too much disruption. While it’s normal to hear your furnace making noise as it starts up, other disruptions are showing your furnace should get immediate professional assistance.
Here are some of the most common furnace noises and what they could be signaling. If your furnace is making a strange noise, our friendly heating pros are here to fix the problem with the best furnace repair in Los Angeles, California.
1. Furnace Making a Banging Noise
You may have an urgent issue on your hands if you’re noticing your furnace making a banging noise. If your furnace is making a knocking noise, it might signal there could be a couple of problems. These involve gas increasing in your furnace or a ductwork issue.
Banging Sounds Coming from Your Furnace
Your heating system turns grimy over the years, so that’s why it’s critical to book routine furnace maintenance with AZ Air Conditioning and Heating. One of the things our pros perform during this service is clean your furnace’s burners. When this part gets grimy, you might hear your furnace making a loud rumbling noise when ignition is delayed. The following gas buildup might break your furnace’s heat exchanger, where natural gas turns into heat. Any cracks in it can emit carbon monoxide, which is normally vented outside. This dangerous gas can be fatal in large concentrations.
If you’re noticing banging or knocking sounds coming from your furnace, AZ Air Conditioning and Heating urges you to turn it off and reaching us at 800-296-5088. Excessive natural gas in your furnace or a fractured heat exchanger are dangerous issues that should get prompt service.
Banging Sounds Coming from Your Ductwork
Your furnace relies on ductwork to deliver hot air across your home. If the ductwork wasn’t installed right or is getting dated, it can be loud when your furnace is on. This can be the problem if your furnace makes a banging noise when it shuts off. Call AZ Air Conditioning and Heating at 800-296-5088 and we’ll figure out the problem.
2. Furnace Making a Buzzing Noise
If you hear your furnace making a buzzing noise, don’t wait to call us. A buzzing sound usually indicates an electrical situation, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to work on the correct voltage. If wires or the box needs to be tightened, you may hear a low humming noise in the furnace when off. Your furnace also uses a blower motor, which moves hot or chilly air across your residence, and a capacitor, which starts the motor. If either of these parts are fading, they will buzz when the furnace turns on.
3. Furnace Making a Rattling Noise
If your furnace is making a rattling noise, it may be related to something small, like a loose screw, or something serious, like a broken piece. In either case, we urge you to shut your furnace off and getting in touch with our heating specialists at 800-296-5088 for help.
4. Furnace Making a Squealing Noise
If your furnace makes a high-pitched noise, like squealing, when it’s running, it’s making an effort to tell you it requires some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn down or a bearing may need to be lubed. We are aware that maintenance sometimes slips your mind, but our technicians can get your furnace operating quietly again fast.
5. Furnace Making a Whistling Noise
When you’re hearing your furnace making a whistling noise, it’s frequently due to an air leak in your ductwork. You might also notice whistling while the furnace is running if a floor vent is loose. If you’ve examined your vents but are still noticing sound, AZ Air Conditioning and Heating can provide support. It’s essential to get loose ductwork repaired quickly, since it can result in comfort issues in your residence and drive up your utility bills.
6. Furnace Making a Grinding Noise
It’s not a good sign if you hear your furnace making a grinding noise. This metal-on-metal sound usually means there’s trouble with your furnace’s blower. Shut down your furnace off immediately and reach us at 800-296-5088 for help.
When you’re noticing a strange noise from your furnace, AZ Air Conditioning and Heating is available to support you. Contact us at 800-296-5088 to request your furnace repair appointment now.