When your furnace is running like it should, it should provide warm air without creating too much disruption. While it’s common to notice your furnace making noise as it turns on, other disruptions are signaling your furnace needs immediate professional help.
Here are some of the most frequent furnace noises and what they might be indicating. If your furnace is making a weird noise, our friendly heating pros are here to fix the problem with the best furnace repair in Fredericksburg, Virginia.
1. Furnace Making a Banging Noise
You could have a critical problem on your hands if you’re noticing your furnace making a banging noise. If your furnace is making a knocking noise, it might indicate there could be several problems. These include gas accumulating in your furnace or a ductwork problem.
Banging Sounds Coming from Your Furnace
Your heating system becomes dirty over time, so that’s why it’s critical to book routine furnace maintenance with Childress Heating & AC. One of the tasks our techs do during this appointment is clean your furnace’s burners. When this component gets grubby, you might hear your furnace making a loud rumbling noise when ignition is delayed. The subsequent gas buildup may fracture your furnace’s heat exchanger, where natural gas turns into warm air. Any fractures in it can discharge carbon monoxide, which is regularly released outside. This toxic gas can be deadly in large concentrations.
If you’re noticing banging or knocking sounds coming from your furnace, Childress Heating & AC urges you to turn it off and contacting us at 540-675-4306. Too much natural gas in your furnace or a cracked heat exchanger are critical problems that require fast service.
Banging Sounds Coming from Your Ductwork
Your furnace uses ductwork to deliver heated air across your house. If the ductwork wasn’t designed correctly or is getting dated, it can be loud when your furnace is heating. This can be the issue if your furnace makes a banging noise when it shuts off. Call Childress Heating & AC at 540-675-4306 and we’ll pinpoint the problem.
2. Furnace Making a Buzzing Noise
If you observe your furnace making a buzzing noise, don’t delay calling us. A buzzing sound frequently means there’s an electrical situation, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to operate on the correct voltage. If wires or the box is loose, you might hear a low humming noise in the furnace when off. Your furnace also works with a blower motor, which moves hot or cooled air across your home, and a capacitor, which triggers the motor. If either of these pieces 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 minor, like a loose screw, or something serious, like a broken part. In either case, we urge you to shut your furnace off and getting in touch with our heating pros at 540-675-4306 for assistance.
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 alert you it requires some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn out or a bearing may need to be greased. We realize that maintenance frequently slips your mind, but our professionals can get your furnace operating quietly again fast.
5. Furnace Making a Whistling Noise
When you’re detecting your furnace making a whistling noise, it’s typically due to an air leak in your ductwork. You may also notice whistling while the furnace is operating if a floor vent isn’t secure. If you’ve checked your vents but are still noticing sound, Childress Heating & AC can assist you. It’s critical to get loose ductwork taken care of fast, because it can create comfort issues in your house and inflate your gas costs.
6. Furnace Making a Grinding Noise
It’s not a positive sign if you detect your furnace making a grinding noise. This metal-on-metal sound frequently means there’s trouble with your furnace’s blower. Switch off your furnace off instantly and call our pros at 540-675-4306 for support.
When you’re getting a strange noise from your furnace, Childress Heating & AC is ready to provide assistance. Contact us at 540-675-4306 to book your furnace repair appointment today.