When your furnace is working properly, it should deliver heat without generating too much disruption. While it’s normal to notice your furnace making noise as it starts up, other sounds are indicating your furnace should get immediate professional support.

Here are some of the most common furnace noises and what they could mean. If your furnace is making a strange noise, our friendly heating pros are here to assist with the best furnace repair in Greensburg, Indiana.

1. Furnace Makes a Banging Sound

You could have a serious problem on your hands if you’re hearing your furnace making a banging noise. If your furnace is making a knocking noise, it can indicate there could be several problems. These involve gas increasing in your furnace or a ductwork issue.

Banging Sounds Coming from Your Furnace

Your heating system turns dirty as time passes, so that’s why it’s important to set yearly furnace maintenance with Wallpe Heating & Cooling. One of the jobs our techs 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 if ignition is delayed. The resulting gas buildup can break your furnace’s heat exchanger, where natural gas changes into warm air. Any cracks in it can discharge carbon monoxide, which is regularly released outdoors. This toxic gas can be fatal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, Wallpe Heating & Cooling urges you to turn it off and reaching us at 812-663-7252. Too much natural gas in your furnace or a broken heat exchanger are hazardous troubles that should get immediate repairs.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to deliver warm air across your house. If the ductwork wasn’t put in right or is aging, it can make a lot of noise when your furnace is heating. This may be the issue if your furnace makes a banging noise when it shuts off. Get in touch with Wallpe Heating & Cooling at 812-663-7252 and we’ll pinpoint the problem.

2. Furnace Making a Buzzing Noise

If you notice your furnace making a buzzing noise, don’t wait to call us. A buzzing sound frequently indicates an electrical situation, like with its transformer, blower motor or capacitor.

Your furnace relies on an internal transformer to operate on the right 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 works with a blower motor, which distributes warm or chilly air throughout your house, and a capacitor, which triggers the motor. If either of these components are failing, they will buzz when the furnace starts.

3. Furnace Making a Rattling Noise

If your furnace is making a rattling noise, it could be due to something little, like an unfastened screw, or something critical, like a broken piece. In either case, we recommend shutting off your furnace and calling our heating pros at 812-663-7252 for assistance.

4. Furnace Making a Squealing Noise

If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s attempting to alert you it could use some TLC. If you’ve neglected furnace maintenance recently, belts could be worn down or a bearing might need to be greased. We are aware that maintenance sometimes slips your mind, but our pros can get your furnace operating quietly again fast.

5. Furnace Whistles

When you’re detecting your furnace making a whistling noise, it’s frequently the result of an air leak in your ductwork. You might also hear whistling while the furnace is working if a floor vent isn’t tight. If you’ve looked at your vents but are still hearing whistling, Wallpe Heating & Cooling can help. It’s critical to get loose ductwork repaired without delay, since it can result in comfort problems in your residence and increase your heating expenses.

6. Furnace Makes a Loud, Unpleasant Grinding Noise

It’s not a positive sign if you notice your furnace making a grinding noise. This metal-on-metal racket frequently means there’s trouble with your furnace’s blower. Shut down your furnace off promptly and contact us at 812-663-7252 for support.

When you’re getting an uncommon noise from your furnace, Wallpe Heating & Cooling is available to support you. Contact us at 812-663-7252 to request your furnace repair appointment now.