When your furnace is working properly, it should give warmth without generating too much sound. While it’s normal to catch your furnace making noise as it turns on, other noises are showing your furnace requires immediate professional support.

Here are some of the most reported furnace noises and what they might be signaling. If your furnace is making an atypical noise, our friendly heating specialists are here to assist with the best furnace repair in Pflugerville, Texas.

1. Furnace Makes a Banging Sound

You might have an urgent problem on your hands if you’re detecting your furnace making a banging noise. If your furnace is making a knocking noise, it may signal there could be a couple of problems. These include gas increasing in your furnace or a ductwork issue.

Banging Sounds Coming from Your Furnace

Your heating system becomes dirty as time passes, so that’s why it’s important to set seasonal furnace maintenance with Evenaire Heating & Air Conditioning. One of the things our professionals perform during this service is clean your furnace’s burners. When this piece gets grimy, you could hear your furnace making a loud rumbling noise when ignition takes longer than normal. The following gas buildup might break your furnace’s heat exchanger, where natural gas turns into heat. Any breaks in it can emit carbon monoxide, which is regularly vented outside. This dangerous gas can be lethal in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Evenaire Heating & Air Conditioning urges you to turn it off and calling us at 512-355-1482. Excessive natural gas in your furnace or a ruptured heat exchanger are hazardous troubles that necessitate fast attention.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to provide heated air throughout your home. If the ductwork wasn’t installed properly or is getting old, it can make a lot of noise when your furnace is on. This can be the issue if your furnace makes a banging noise when it shuts off. Get in touch with Evenaire Heating & Air Conditioning at 512-355-1482 and we’ll pinpoint the problem.

2. Furnace Making a Buzzing Noise

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 issue, like with its transformer, blower motor or capacitor.

Your furnace depends on an internal transformer to run on the correct voltage. If wires or the box needs to be tightened, you could notice a low humming noise in the furnace when off. Your furnace also uses a blower motor, which distributes warm or cooled air throughout your house, and a capacitor, which starts the motor. If either of these pieces are fading, they will buzz when the furnace switches on.

3. Furnace Makes Rattling Sounds Like Something Is Loose

If your furnace is making a rattling noise, it can be due to something minor, like a loose screw, or something critical, like a broken component. In either case, we recommend shutting off your furnace and calling our heating professionals at 512-355-1482 for support.

4. Furnace Making a Squealing Noise

If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s trying to tell you it could use some TLC. If you’ve forgotten furnace maintenance the last couple of years, belts could be worn out or a bearing could need to be lubricated. We realize that maintenance frequently slips your mind, but our technicians can get your furnace running quietly again quickly.

5. Furnace Making a Whistling Noise

When you’re noticing your furnace making a whistling noise, it’s likely because of an air leak in your ductwork. You might also be aware of whistling while the furnace is working if a floor vent is loose. If you’ve examined your vents but are still hearing sound, Evenaire Heating & Air Conditioning can assist you. It’s essential to get loose ductwork taken care of without delay, because it can result in comfort troubles in your house and increase your energy costs.

6. Furnace Making a Grinding Noise

It’s not a good sign if you hear your furnace making a grinding noise. This metal-on-metal noise usually means there’s trouble with your furnace’s blower. Turn off your furnace off right away and contact us at 512-355-1482 for help.

When you’re getting a weird noise from your furnace, Evenaire Heating & Air Conditioning is here to support you. Contact us at 512-355-1482 to request your furnace repair appointment today.