When your furnace is working properly, it should deliver warmth without creating too much disruption. While it’s normal to notice your furnace making noise as it begins running, other sounds are signaling your furnace requires immediate professional support.

Here are some of the most common furnace noises and what they could be indicating. If your furnace is making an atypical noise, our friendly heating pros are here to assist with the best furnace repair in Genoa, Illinois.

1. Furnace Makes Banging or Knocking Sounds

You might have an urgent situation on your hands if you’re noticing 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 situation.

Banging Sounds Coming from Your Furnace

Your heating system turns dirty as time passes, so that’s why it’s critical to schedule annual furnace maintenance with Assured Appliance & Heating & Air. One of the jobs our pros perform during this work is clean your furnace’s burners. When this piece gets dirty, you may hear your furnace making a loud rumbling noise if ignition takes longer than normal. The subsequent gas buildup can break your furnace’s heat exchanger, where natural gas turns into warmth. Any fractures in it can leak carbon monoxide, which is ordinarily emitted away from your home. This hazardous gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Assured Appliance & Heating & Air advises turning it off and contacting us at 847-306-8990. Excessive natural gas in your furnace or a cracked heat exchanger are hazardous problems that should get fast attention.

Banging Sounds Coming from Your Ductwork

Your furnace relies on ductwork to provide heated air around your house. If the ductwork wasn’t put in properly or is getting dated, it can be loud when your furnace is on. This may be the case if your furnace makes a banging noise when it shuts off. Get in touch with Assured Appliance & Heating & Air at 847-306-8990 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 typically is telling you there’s an electrical issue, like with its transformer, blower motor or capacitor.

Your furnace relies on an internal transformer to work on the right 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 uses a blower motor, which moves warm or cold air across your residence, 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 related to something minor, like an unsecure screw, or something critical, like a broken part. In either case, we advise shutting your furnace off and calling our heating pros at 847-306-8990 for assistance.

4. Furnace Squeals

If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s making an effort to alert you it could use some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn out or a bearing could need to be lubed. We realize that maintenance often slips your mind, but our technicians can get your furnace operating quietly again fast.

5. Furnace Makes a Whistling Sound Like Air Escaping

When you’re noticing your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You may also hear whistling while the furnace is working if a floor vent isn’t secure. If you’ve checked your vents but are still noticing noise, Assured Appliance & Heating & Air can assist you. It’s essential to get loose ductwork taken care of without delay, as it can make comfort issues in your home and drive up your heating costs.

6. Furnace Makes a Loud, Unpleasant Grinding Noise

It’s not a good sign if you notice your furnace making a grinding noise. This metal-on-metal racket usually means there’s trouble with your furnace’s blower. Turn off your furnace off promptly and call our professionals at 847-306-8990 for support.

When you’re hearing an uncommon noise from your furnace, Assured Appliance & Heating & Air is ready to help. Contact us at 847-306-8990 to request your furnace repair appointment today.