When your furnace is operating like it should, it should provide warm air without generating too much noise. While it’s expected to catch your furnace making noise as it turns on, other disruptions are showing your furnace needs immediate professional help.

Here are some of the most reported furnace noises and what they can be indicating. If your furnace is making a weird noise, our friendly heating specialists are here to fix the problem with the best furnace repair in Crown Point, Indiana.

1. Furnace Makes Banging or Knocking Sounds

You could have a critical problem on your hands if you’re detecting 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 accumulating in your furnace or a ductwork situation.

Banging Sounds Coming from Your Furnace

Your heating system becomes filthy over the years, so that’s why it’s essential to book routine furnace maintenance with Struven Heating & Cooling. One of the jobs our pros perform during this work is clean your furnace’s burners. When this part gets dirty, you may hear your furnace making a loud rumbling noise after ignition takes longer than normal. The following gas buildup may crack your furnace’s heat exchanger, where natural gas turns into warmth. Any cracks in it can discharge carbon monoxide, which is regularly emitted outdoors. This toxic gas can be lethal in large concentrations.

If you’re hearing banging or knocking sounds coming from your furnace, Struven Heating & Cooling recommends turning it off and reaching us at 219-292-0956. Significant natural gas in your furnace or a broken heat exchanger are hazardous problems that should get immediate attention.

Banging Sounds Coming from Your Ductwork

Your furnace relies on ductwork to move heated air across your home. If the ductwork wasn’t designed properly or is getting dated, it can be noisy when your furnace is heating. This may be the case if your furnace makes a banging noise when it shuts off. Get in touch with Struven Heating & Cooling at 219-292-0956 and we’ll pinpoint the problem.

2. Furnace Buzzes Constantly

If you observe your furnace making a buzzing noise, don’t delay calling us. A buzzing sound frequently indicates an electrical issue, like with its transformer, blower motor or capacitor.

Your furnace relies on an internal transformer to run on the correct voltage. If wires or the box is loose, you might hear a low humming noise in the furnace when off. Your furnace also uses a blower motor, which sends warm or chilly air around your house, and a capacitor, which triggers the motor. If either of these pieces are fading, they will buzz when the furnace turns on.

3. Furnace Rattles

If your furnace is making a rattling noise, it could be the result of something little, like an unsecure screw, or something critical, like a broken part. In either case, we recommend shutting off your furnace and getting in touch with our heating professionals at 219-292-0956 for assistance.

4. Furnace Squeals

If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s attempting to tell you it could use some TLC. If you’ve neglected furnace maintenance recently, belts could be worn down or a bearing could need to be greased. We realize that maintenance often slips your mind, but our technicians can get your furnace heating quietly again quickly.

5. Furnace Whistles

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 operating if a floor vent is loose. If you’ve checked your vents but are still sensing sound, Struven Heating & Cooling can help. It’s important to get loose ductwork taken care of without delay, as it can create comfort troubles in your house and increase your gas expenses.

6. Furnace Making a Grinding Noise

It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal sound often means there’s trouble with your furnace’s blower. Switch off your furnace off now and contact us at 219-292-0956 for help.

When you’re noticing a strange noise from your furnace, Struven Heating & Cooling is ready to support you. Contact us at 219-292-0956 to request your furnace repair appointment right away.