When your furnace is working correctly, it should provide warmth without making too much sound. While it’s normal to hear your furnace making noise as it starts up, other disruptions are showing your furnace requires immediate professional help.

Here are some of the most frequent furnace noises and what they could mean. If your furnace is making an odd noise, our friendly heating specialists are here to assist with the best furnace repair in Corpus Christi, Texas.

1. Furnace Makes a Banging Sound

You might have an urgent situation on your hands if you’re hearing your furnace making a banging noise. If your furnace is making a knocking noise, it may indicate there could be several problems. These range from gas increasing in your furnace or a ductwork situation.

Banging Sounds Coming from Your Furnace

Your heating system becomes dirty as time passes, so that’s why it’s essential to book seasonal furnace maintenance with Total Assurance AC & Heating. One of the jobs our pros do during this work is clean your furnace’s burners. When this piece gets grubby, you could hear your furnace making a loud rumbling noise if ignition takes longer than normal. The resulting gas buildup can break your furnace’s heat exchanger, where natural gas turns into warm air. Any cracks in it can emit carbon monoxide, which is regularly vented outdoors. This hazardous gas can be fatal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, Total Assurance AC & Heating urges you to turn it off and reaching us at 361-217-7080. Significant natural gas in your furnace or a ruptured heat exchanger are critical problems that should get immediate service.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to move hot air across your home. If the ductwork wasn’t installed right or is aging, it can be noisy when your furnace is on. This might be the case if your furnace makes a banging noise when it shuts off. Call Total Assurance AC & Heating at 361-217-7080 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 is telling you there’s an electrical issue, 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 is loose, you could detect a low humming noise in the furnace when off. Your furnace also works with a blower motor, which distributes warm or cooled air throughout your rooms, and a capacitor, which triggers the motor. If either of these components are going out, they will buzz when the furnace turns on.

3. Furnace Rattles

If your furnace is making a rattling noise, it can be the result of something little, like an unfastened screw, or something major, like a broken component. In either case, we urge you to shut your furnace off and calling our heating pros at 361-217-7080 for assistance.

4. Furnace Making a Squealing Noise

If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s trying to get your attention it requires some TLC. If you’ve neglected furnace maintenance recently, belts could be worn out or a bearing could need to be lubed. We know that maintenance often slips your mind, but our professionals can get your furnace running quietly again rapidly.

5. Furnace Makes a Whistling Sound Like Air Escaping

When you’re hearing your furnace making a whistling noise, it’s likely due to an air leak in your ductwork. You may also notice whistling while the furnace is working if a floor vent isn’t tight. If you’ve examined your vents but are still hearing whistling, Total Assurance AC & Heating can provide support. It’s critical to get loose ductwork taken care of without delay, because it can make comfort issues in your home and inflate your energy bills.

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 noise usually means there’s trouble with your furnace’s blower. Switch off your furnace off now and contact us at 361-217-7080 for assistance.

When you’re hearing an atypical noise from your furnace, Total Assurance AC & Heating is available to provide assistance. Contact us at 361-217-7080 to schedule your furnace repair appointment today.