When your furnace is working correctly, it should give warmth without making too much disruption. While it’s normal to hear your furnace making noise as it starts up, other sounds are signaling your furnace needs immediate professional help.
Here are some of the most frequent furnace noises and what they could mean. If your furnace is making a strange noise, our friendly heating professionals are here to fix the problem with the best furnace repair in Milwaukee, Wisconsin .
1. Furnace Makes a Banging Sound
You could have an urgent problem on your hands if you’re noticing your furnace making a banging noise. If your furnace is making a knocking noise, it might signal there could be several problems. These involve gas building up in your furnace or a ductwork problem.
Banging Sounds Coming from Your Furnace
Your heating system becomes grimy as time passes, so that’s why it’s critical to schedule seasonal furnace maintenance with Done Right Air. One of the tasks our professionals perform during this work is clean your furnace’s burners. When this piece gets grimy, you might hear your furnace making a loud rumbling noise if ignition takes longer than normal. The ensuing gas buildup can fracture your furnace’s heat exchanger, where natural gas changes into warm air. Any fractures in it can emit carbon monoxide, which is regularly vented away from your home. This toxic gas can be lethal in large concentrations.
If you’re noticing banging or knocking sounds coming from your furnace, Done Right Air urges you to turn it off and reaching us at 414-207-4034. Significant natural gas in your furnace or a fractured heat exchanger are serious troubles that necessitate prompt repairs.
Banging Sounds Coming from Your Ductwork
Your furnace relies on ductwork to deliver hot air around your home. If the ductwork wasn’t installed properly or is getting old, it can make a lot of noise when your furnace runs. This can be the problem if your furnace makes a banging noise when it shuts off. Call Done Right Air at 414-207-4034 and we’ll pinpoint the problem.
2. Furnace Buzzes Constantly
If you hear your furnace making a buzzing noise, don’t delay calling us. A buzzing sound typically means there’s an electrical problem, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to operate on the right voltage. If wires or the box needs to be tightened, you could detect a low humming noise in the furnace when off. Your furnace also has a blower motor, which moves hot or cooled air across your space, and a capacitor, which starts the motor. If either of these pieces are failing, they will buzz when the furnace turns on.
3. Furnace Making a Rattling Noise
If your furnace is making a rattling noise, it can be the result of something small, like a loose screw, or something serious, like a broken component. In either case, we recommend shutting off your furnace and calling our heating professionals at 414-207-4034 for support.
4. Furnace Squeals
If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s making an effort to alert you it needs some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn out or a bearing may need to be lubricated. We are aware that maintenance often slips your mind, but our technicians can get your furnace running quietly again fast.
5. Furnace Making a Whistling Noise
When you’re hearing your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You could also hear whistling while the furnace is working if a floor vent isn’t secure. If you’ve looked at your vents but are still hearing whistling, Done Right Air can provide support. It’s essential to get loose ductwork taken care of fast, since it can make comfort problems in your house and increase your heating costs.
6. Furnace Makes Noise that Sounds Like Scraping Metal
It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal noise frequently means there’s an issue with your furnace’s blower. Turn off your furnace off now and call us at 414-207-4034 for help.
When you’re noticing an atypical noise from your furnace, Done Right Air is available to support you. Contact us at 414-207-4034 to book your furnace repair appointment now.