When your furnace is running correctly, it should deliver heat without generating too much sound. While it’s expected to catch your furnace making noise as it begins running, other disruptions are showing your furnace needs immediate professional assistance.

Here are some of the most common furnace noises and what they could be indicating. If your furnace is making an odd noise, our friendly heating specialists are here to assist with the best furnace repair in Lodi, California.

1. Furnace Makes a Banging Sound

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

Banging Sounds Coming from Your Furnace

Your heating system gets dirty over the years, so that’s why it’s essential to book yearly furnace maintenance with Tokay. One of the things our techs do during this appointment is clean your furnace’s burners. When this piece gets grubby, you could hear your furnace making a loud rumbling noise when ignition is delayed. The following gas buildup can break your furnace’s heat exchanger, where natural gas changes into warm air. Any cracks in it can discharge carbon monoxide, which is ordinarily released outside. This toxic gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Tokay urges you to turn it off and contacting us at 209-257-3156. Too much natural gas in your furnace or a broken heat exchanger are serious problems that require fast service.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to move hot air across your home. If the ductwork wasn’t installed right or is getting old, 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. Call Tokay at 209-257-3156 and we’ll pinpoint the problem.

2. Furnace Making a Buzzing Noise

If you notice your furnace making a buzzing noise, don’t hesitate to call us. A buzzing sound usually is telling you there’s an electrical problem, 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 might detect a low humming noise in the furnace when off. Your furnace also works with a blower motor, which sends warm or cooled 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 Rattles

If your furnace is making a rattling noise, it can be the result of something small, like an unsecure screw, or something critical, like a broken component. In either case, we urge you to shut your furnace off and contacting our heating pros at 209-257-3156 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 trying to tell you it needs some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn out or a bearing could need to be lubed. We know that maintenance frequently slips your mind, but our professionals can get your furnace operating quietly again fast.

5. Furnace Whistles

When you’re noticing your furnace making a whistling noise, it’s likely due to an air leak in your ductwork. You might also be aware of whistling while the furnace is working if a floor vent isn’t secure. If you’ve checked your vents but are still hearing noise, Tokay can provide support. It’s essential to get loose ductwork fixed without delay, as it can result in comfort problems in your home and drive up your energy bills.

6. Furnace Making a Grinding Noise

It’s not a good sign if you hear your furnace making a grinding noise. This metal-on-metal sound frequently means there’s an issue with your furnace’s blower. Turn off your furnace off instantly and reach us at 209-257-3156 for help.

When you’re noticing a strange noise from your furnace, Tokay is here to help. Contact us at 209-257-3156 to request your furnace repair appointment now.