When your furnace is running correctly, it should provide heat without creating too much noise. While it’s expected to hear your furnace making noise as it starts up, other noises are indicating your furnace needs immediate professional assistance.

Here are some of the most frequent furnace noises and what they can be signaling. If your furnace is making a weird noise, our friendly heating specialists are here to help with the best furnace repair in Hodgenville, Kentucky.

1. Furnace Making a Banging Noise

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

Banging Sounds Coming from Your Furnace

Your heating system gets filthy over the years, so that’s why it’s critical to schedule yearly furnace maintenance with Phelps Heating & Cooling, Inc.. One of the things our techs perform during this work is clean your furnace’s burners. When this part gets grimy, you may hear your furnace making a loud rumbling noise when ignition is delayed. The subsequent gas buildup might crack your furnace’s heat exchanger, where natural gas changes into warm air. Any breaks in it can emit carbon monoxide, which is ordinarily vented outside. This hazardous gas can be lethal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, Phelps Heating & Cooling, Inc. urges you to turn it off and calling us at 270-358-3167. Significant natural gas in your furnace or a fractured heat exchanger are serious troubles that should get prompt service.

Banging Sounds Coming from Your Ductwork

Your furnace relies on ductwork to move hot air throughout your residence. If the ductwork wasn’t put in correctly or is getting dated, it can make a lot of noise when your furnace is heating. This may be the problem if your furnace makes a banging noise when it shuts off. Get in touch with Phelps Heating & Cooling, Inc. at 270-358-3167 and we’ll pinpoint the problem.

2. Furnace Buzzes Constantly

If you hear your furnace making a buzzing noise, don’t wait to call us. A buzzing sound often means there’s an electrical situation, like with its transformer, blower motor or capacitor.

Your furnace relies on an internal transformer to operate on the proper voltage. If wires or the box needs to be tightened, you may detect a low humming noise in the furnace when off. Your furnace also has a blower motor, which moves warm or cooled air around your space, and a capacitor, which starts the motor. If either of these pieces are fading, they will buzz when the furnace turns on.

3. Furnace Rattles

If your furnace is making a rattling noise, it can be due to something small, like a loose screw, or something serious, like a broken part. In either case, we advise shutting your furnace off and getting in touch with our heating specialists at 270-358-3167 for assistance.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s going, it’s trying to alert you it could use some TLC. If you’ve neglected furnace maintenance the last couple of years, belts could be worn out or a bearing could need to be lubricated. We are aware that maintenance often slips your mind, but our technicians can get your furnace running quietly again fast.

5. Furnace Making a Whistling Noise

When you’re noticing your furnace making a whistling noise, it’s frequently because of an air leak in your ductwork. You might also be aware of 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, Phelps Heating & Cooling, Inc. can help. It’s important to get loose ductwork taken care of quickly, since it can create comfort problems in your house and inflate your heating expenses.

6. Furnace Making a Grinding Noise

It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal noise usually means there’s an issue with your furnace’s blower. Turn off your furnace off right away and call us at 270-358-3167 for support.

When you’re getting a strange noise from your furnace, Phelps Heating & Cooling, Inc. is available to provide assistance. Contact us at 270-358-3167 to book your furnace repair appointment right away.