When your furnace is working properly, it should deliver heat without making too much noise. While it’s normal to notice your furnace making noise as it starts up, other noises are signaling your furnace should get immediate professional help.

Here are some of the most reported furnace noises and what they can be signaling. If your furnace is making a strange noise, our friendly heating specialists are here to fix the problem with the best furnace repair in Tucker, Georgia.

1. Furnace Makes a Banging Sound

You could have a serious 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 include gas accumulating in your furnace or a ductwork situation.

Banging Sounds Coming from Your Furnace

Your heating system turns filthy over time, so that’s why it’s essential to book annual furnace maintenance with ACS Heating and Air Conditioning. One of the jobs our pros perform during this work is clean your furnace’s burners. When this component gets grubby, you may hear your furnace making a loud rumbling noise after ignition takes more time. The ensuing gas buildup may break your furnace’s heat exchanger, where natural gas turns into warm air. Any fractures in it can leak carbon monoxide, which is normally emitted outdoors. This toxic gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, ACS Heating and Air Conditioning urges you to turn it off and calling us at 770-450-1539. Too much natural gas in your furnace or a ruptured heat exchanger are serious issues that require prompt repairs.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to provide warm air around your home. If the ductwork wasn’t designed correctly or is aging, it can make a lot of noise when your furnace runs. This can be the issue if your furnace makes a banging noise when it shuts off. Contact ACS Heating and Air Conditioning at 770-450-1539 and we’ll figure out the problem.

2. Furnace Makes a Buzzing Sound

If you observe your furnace making a buzzing noise, don’t hesitate to call us. A buzzing sound often is telling you there’s an electrical problem, 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 isn’t tight enough, you may hear a low humming noise in the furnace when off. Your furnace also works with a blower motor, which sends warm or cooled air across your home, and a capacitor, which turns on the motor. If either of these pieces are fading, they will buzz when the furnace starts.

3. Furnace Makes Rattling Sounds Like Something Is Loose

If your furnace is making a rattling noise, it can be related to something little, like an unfastened screw, or something serious, like a broken part. In either case, we advise shutting your furnace off and calling our heating pros at 770-450-1539 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 making an effort to alert you it could use some TLC. If you’ve skipped furnace maintenance recently, belts could be worn down or a bearing may need to be lubricated. We know that maintenance frequently slips your mind, but our professionals can get your furnace heating quietly again rapidly.

5. Furnace Whistles

When you’re noticing your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You may also be aware of whistling while the furnace is running if a floor vent isn’t secure. If you’ve examined your vents but are still noticing sound, ACS Heating and Air Conditioning can assist you. It’s essential to get loose ductwork repaired fast, as it can make comfort troubles in your house and inflate your gas expenses.

6. Furnace Makes Noise that Sounds Like Scraping Metal

It’s not a good sign if you hear your furnace making a grinding noise. This metal-on-metal noise frequently means there’s a problem with your furnace’s blower. Shut down your furnace off immediately and call our professionals at 770-450-1539 for assistance.

When you’re hearing an uncommon noise from your furnace, ACS Heating and Air Conditioning is available to support you. Contact us at 770-450-1539 to request your furnace repair appointment now.