When your furnace is working correctly, it should provide warm air without creating too much disruption. While it’s expected to catch your furnace making noise as it starts up, other disruptions are showing your furnace requires immediate professional support.

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

1. Furnace Makes Banging or Knocking Sounds

You could have an urgent problem on your hands if you’re hearing your furnace making a banging noise. If your furnace is making a knocking noise, it may signal there could be several problems. These range from gas accumulating in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system becomes dirty over the years, so that’s why it’s critical to book annual furnace maintenance with Miller Climate Control LLC. One of the tasks our techs complete during this service is clean your furnace’s burners. When this piece gets dirty, you may hear your furnace making a loud rumbling noise when ignition takes more time. The ensuing gas buildup may fracture your furnace’s heat exchanger, where natural gas transforms into heat. Any fractures in it can leak carbon monoxide, which is regularly released outside. This hazardous gas can be lethal in large concentrations.

If you’re hearing banging or knocking sounds coming from your furnace, Miller Climate Control LLC recommends turning it off and calling us at 512-937-2001. Too much natural gas in your furnace or a fractured heat exchanger are critical issues that should get fast attention.

Banging Sounds Coming from Your Ductwork

Your furnace relies on ductwork to move warm air throughout your residence. If the ductwork wasn’t put in properly or is aging, it can make a lot of noise when your furnace runs. This may be the issue if your furnace makes a banging noise when it shuts off. Get in touch with Miller Climate Control LLC at 512-937-2001 and we’ll pinpoint the problem.

2. Furnace Makes a Buzzing Sound

If you hear 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 uses an internal transformer to work on the proper voltage. If wires or the box needs to be tightened, you could hear a low humming noise in the furnace when off. Your furnace also uses a blower motor, which distributes warm or cold air throughout your house, and a capacitor, which turns on the motor. If either of these parts are failing, they will buzz when the furnace switches on.

3. Furnace Rattles

If your furnace is making a rattling noise, it may be due to something small, like a loose screw, or something serious, like a broken piece. In either case, we advise shutting your furnace off and getting in touch with our heating specialists at 512-937-2001 for assistance.

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 attempting to get your attention it needs some TLC. If you’ve forgotten furnace maintenance the past few years, belts could be worn down or a bearing may need to be lubed. We realize that maintenance sometimes slips your mind, but our professionals can get your furnace operating quietly again fast.

5. Furnace Making a Whistling Noise

When you’re noticing your furnace making a whistling noise, it’s likely due to an air leak in your ductwork. You could also hear whistling while the furnace is on if a floor vent is loose. If you’ve examined your vents but are still noticing whistling, Miller Climate Control LLC can assist you. It’s critical to get loose ductwork fixed quickly, since it can result in comfort issues in your home and increase your gas costs.

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 racket frequently means there’s trouble with your furnace’s blower. Turn off your furnace off right away and contact our pros at 512-937-2001 for help.

When you’re getting a weird noise from your furnace, Miller Climate Control LLC is ready to provide assistance. Contact us at 512-937-2001 to book your furnace repair appointment today.