When your furnace is operating correctly, it should give warm air without making too much sound. While it’s normal to notice your furnace making noise as it begins running, other sounds are signaling your furnace requires immediate professional support.

Here are some of the most common furnace noises and what they can be signaling. If your furnace is making an atypical noise, our friendly heating pros are here to assist with the best furnace repair in Chadron, Nebraska.

1. Furnace Makes Banging or Knocking Sounds

You could have a serious problem on your hands if you’re noticing your furnace making a banging noise. If your furnace is making a knocking noise, it can mean there could be a few problems. These include gas accumulating in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system becomes grimy over time, so that’s why it’s essential to book seasonal furnace maintenance with MPC Heating & Cooling. One of the jobs our professionals do during this service is clean your furnace’s burners. When this component gets grimy, you might hear your furnace making a loud rumbling noise after ignition is delayed. The subsequent gas buildup can break your furnace’s heat exchanger, where natural gas transforms into warm air. Any fractures in it can emit carbon monoxide, which is ordinarily released away from your home. This dangerous gas can be fatal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, MPC Heating & Cooling urges you to turn it off and calling us at 308-832-4321. Too much natural gas in your furnace or a ruptured heat exchanger are critical issues that require fast service.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to move heated air throughout your house. If the ductwork wasn’t designed properly or is getting dated, it can be noisy when your furnace is on. This may be the issue if your furnace makes a banging noise when it shuts off. Call MPC Heating & Cooling at 308-832-4321 and we’ll pinpoint the problem.

2. Furnace Makes a Buzzing Sound

If you notice your furnace making a buzzing noise, don’t hesitate 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 operate on the right voltage. If wires or the box is loose, you could notice a low humming noise in the furnace when off. Your furnace also has a blower motor, which moves hot or chilly air around your residence, and a capacitor, which turns on the motor. If either of these components are fading, they will buzz when the furnace turns on.

3. Furnace Rattles

If your furnace is making a rattling noise, it may be the result of something minor, like an unfastened screw, or something serious, like a broken piece. In either case, we advise shutting your furnace off and getting in touch with our heating specialists at 308-832-4321 for assistance.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s attempting to alert you it requires some TLC. If you’ve neglected furnace maintenance recently, belts could be worn down or a bearing could need to be lubed. We realize that maintenance frequently slips your mind, but our professionals can get your furnace running quietly again quickly.

5. Furnace Making a Whistling Noise

When you’re noticing your furnace making a whistling noise, it’s typically the result of an air leak in your ductwork. You might also be aware of whistling while the furnace is operating if a floor vent is loose. If you’ve checked your vents but are still sensing noise, MPC Heating & Cooling can assist you. It’s essential to get loose ductwork fixed without delay, as it can make comfort troubles in your house and drive up your gas bills.

6. Furnace Making a Grinding Noise

It’s not a positive sign if you hear your furnace making a grinding noise. This metal-on-metal racket usually means there’s an issue with your furnace’s blower. Turn off your furnace off immediately and contact us at 308-832-4321 for help.

When you’re getting a weird noise from your furnace, MPC Heating & Cooling is ready to support you. Contact us at 308-832-4321 to request your furnace repair appointment now.