When your furnace is running like it should, it should provide warmth without creating too much noise. While it’s common to catch your furnace making noise as it turns on, other disruptions are indicating your furnace needs immediate professional support.

Here are some of the most common furnace noises and what they could be indicating. If your furnace is making a weird noise, our friendly heating professionals are here to help with the best furnace repair in Cape Coral, Florida.

1. Furnace Makes a Banging Sound

You could have a critical 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 a couple of problems. These include gas building up in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system becomes dirty over time, so that’s why it’s essential to set yearly furnace maintenance with Comfort Zone, LLC. One of the tasks our pros perform during this service is clean your furnace’s burners. When this piece gets grimy, you may hear your furnace making a loud rumbling noise if ignition takes more time. The subsequent gas buildup may fracture your furnace’s heat exchanger, where natural gas turns into heat. Any fractures in it can discharge carbon monoxide, which is normally vented outside. This dangerous gas can be lethal in large concentrations.

If you’re noticing banging or knocking sounds coming from your furnace, Comfort Zone, LLC recommends turning it off and reaching us at 239-214-0411. Excessive natural gas in your furnace or a cracked heat exchanger are hazardous problems that should get immediate service.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to provide warm air throughout your home. If the ductwork wasn’t installed right or is getting dated, it can be noisy when your furnace runs. This may be the problem if your furnace makes a banging noise when it shuts off. Contact Comfort Zone, LLC at 239-214-0411 and we’ll figure out the problem.

2. Furnace Makes a Buzzing Sound

If you observe your furnace making a buzzing noise, don’t wait to call us. A buzzing sound typically means there’s an electrical issue, like with its transformer, blower motor or capacitor.

Your furnace uses an internal transformer to work on the correct voltage. If wires or the box is loose, you may hear a low humming noise in the furnace when off. Your furnace also has a blower motor, which moves hot or cold air around your home, and a capacitor, which turns on the motor. If either of these components are failing, they will buzz when the furnace turns on.

3. Furnace Makes Rattling Sounds Like Something Is Loose

If your furnace is making a rattling noise, it could be the result of something little, like an unfastened screw, or something critical, like a broken part. In either case, we recommend shutting off your furnace and contacting our heating pros at 239-214-0411 for support.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s going, it’s trying to get your attention it could use some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn down or a bearing may need to be greased. We are aware that maintenance sometimes slips your mind, but our professionals can get your furnace running quietly again rapidly.

5. Furnace Making a Whistling Noise

When you’re noticing your furnace making a whistling noise, it’s frequently due to an air leak in your ductwork. You might also notice whistling while the furnace is on if a floor vent is loose. If you’ve checked your vents but are still sensing sound, Comfort Zone, LLC can provide support. It’s important to get loose ductwork taken care of without delay, since it can create comfort problems in your house and increase your gas costs.

6. Furnace Making a Grinding Noise

It’s not a positive sign if you hear your furnace making a grinding noise. This metal-on-metal sound often means there’s a problem with your furnace’s blower. Switch off your furnace off instantly and contact us at 239-214-0411 for support.

When you’re hearing a weird noise from your furnace, Comfort Zone, LLC is here to provide assistance. Contact us at 239-214-0411 to schedule your furnace repair appointment now.