When your furnace is running correctly, it should provide heat without generating too much sound. While it’s common to hear your furnace making noise as it starts up, other disruptions are indicating your furnace requires immediate professional support.

Here are some of the most reported furnace noises and what they can be indicating. If your furnace is making an atypical noise, our friendly heating specialists are here to fix the problem with the best furnace repair in Omaha, Nebraska.

1. Furnace Makes a Banging Sound

You may have a serious situation on your hands if you’re detecting your furnace making a banging noise. If your furnace is making a knocking noise, it might mean there could be several problems. These include gas increasing in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system becomes dirty over the years, so that’s why it’s essential to schedule annual furnace maintenance with The Frazier Company. One of the things our pros complete during this service is clean your furnace’s burners. When this piece gets dirty, you may hear your furnace making a loud rumbling noise when ignition is delayed. The resulting gas buildup might fracture your furnace’s heat exchanger, where natural gas turns into warm air. Any breaks in it can discharge carbon monoxide, which is regularly released away from your home. This hazardous gas can be lethal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, The Frazier Company urges you to turn it off and reaching us at 402-628-0206. Excessive natural gas in your furnace or a broken heat exchanger are hazardous problems that necessitate fast repairs.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to deliver heated air across your home. If the ductwork wasn’t put in properly or is aging, it can be noisy when your furnace is heating. This may be the issue if your furnace makes a banging noise when it shuts off. Contact The Frazier Company at 402-628-0206 and we’ll determine the problem.

2. Furnace Making a Buzzing Noise

If you hear your furnace making a buzzing noise, don’t delay calling us. A buzzing sound usually means 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 isn’t tight enough, you may notice a low humming noise in the furnace when off. Your furnace also uses a blower motor, which moves warm or cold air around your space, and a capacitor, which starts the motor. If either of these pieces are going out, 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 due to something small, like an unfastened screw, or something critical, like a broken component. In either case, we advise shutting your furnace off and calling our heating professionals at 402-628-0206 for support.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s running, it’s attempting to tell you it needs some TLC. If you’ve forgotten furnace maintenance the past few years, belts could be worn out or a bearing may need to be greased. We know that maintenance frequently slips your mind, but our technicians can get your furnace running quietly again fast.

5. Furnace Makes a Whistling Sound Like Air Escaping

When you’re hearing your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You might also be aware of whistling while the furnace is running if a floor vent isn’t secure. If you’ve checked your vents but are still hearing whistling, The Frazier Company can assist you. It’s critical to get loose ductwork taken care of quickly, as it can create comfort issues in your house and inflate your utility expenses.

6. Furnace Making a Grinding Noise

It’s not an encouraging sign if you notice your furnace making a grinding noise. This metal-on-metal sound frequently means there’s trouble with your furnace’s blower. Shut down your furnace off instantly and call our pros at 402-628-0206 for help.

When you’re hearing an atypical noise from your furnace, The Frazier Company is ready to support you. Contact us at 402-628-0206 to book your furnace repair appointment right away.