When your furnace is operating correctly, it should provide heat without creating too much sound. While it’s normal to notice your furnace making noise as it turns on, other sounds are indicating your furnace should get immediate professional assistance.

Here are some of the most frequent furnace noises and what they can be indicating. If your furnace is making a weird noise, our friendly heating pros are here to help with the best furnace repair in Plover, Wisconsin.

1. Furnace Making a Banging Noise

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

Banging Sounds Coming from Your Furnace

Your heating system turns dirty as time passes, so that’s why it’s essential to schedule routine furnace maintenance with Point Heating & Cooling. One of the jobs our pros perform during this service is clean your furnace’s burners. When this piece gets dirty, you could hear your furnace making a loud rumbling noise when ignition is delayed. The resulting gas buildup might break your furnace’s heat exchanger, where natural gas turns into warmth. Any cracks in it can discharge carbon monoxide, which is regularly released outdoors. This hazardous gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Point Heating & Cooling advises turning it off and reaching us at 715-504-0533. Too much natural gas in your furnace or a fractured heat exchanger are critical problems that require fast attention.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to provide warm air across your house. If the ductwork wasn’t put in correctly 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 Point Heating & Cooling at 715-504-0533 and we’ll determine the problem.

2. Furnace Makes a Buzzing Sound

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

Your furnace relies on an internal transformer to work on the proper voltage. If wires or the box is loose, you could notice a low humming noise in the furnace when off. Your furnace also uses a blower motor, which sends warm or chilly air across your residence, and a capacitor, which starts the motor. If either of these pieces are going out, they will buzz when the furnace starts.

3. Furnace Rattles

If your furnace is making a rattling noise, it could be the result of something small, like an unsecure screw, or something serious, like a broken piece. In either case, we advise shutting your furnace off and calling our heating professionals at 715-504-0533 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 requires some TLC. If you’ve forgotten furnace maintenance recently, belts could be worn down or a bearing might need to be greased. We are aware that maintenance frequently slips your mind, but our technicians can get your furnace heating quietly again fast.

5. Furnace Makes a Whistling Sound Like Air Escaping

When you’re hearing your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You might also notice whistling while the furnace is running if a floor vent isn’t secure. If you’ve checked your vents but are still noticing whistling, Point Heating & Cooling can assist you. It’s important to get loose ductwork fixed quickly, since it can create comfort issues in your home and increase your gas expenses.

6. Furnace Makes a Loud, Unpleasant Grinding Noise

It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal sound usually means there’s trouble with your furnace’s blower. Switch off your furnace off right away and contact us at 715-504-0533 for support.

When you’re hearing a strange noise from your furnace, Point Heating & Cooling is ready to provide assistance. Contact us at 715-504-0533 to book your furnace repair appointment now.