When your furnace is working correctly, it should deliver heat without creating too much noise. While it’s expected to hear your furnace making noise as it turns on, other disruptions are showing your furnace should get immediate professional help.

Here are some of the most frequent furnace noises and what they might mean. If your furnace is making an atypical noise, our friendly heating professionals are here to help with the best furnace repair in Front Royal, Virginia.

1. Furnace Making a Banging Noise

You might have a serious problem on your hands if you’re hearing your furnace making a banging noise. If your furnace is making a knocking noise, it may indicate there could be a couple of problems. These range from gas accumulating in your furnace or a ductwork issue.

Banging Sounds Coming from Your Furnace

Your heating system turns filthy as time passes, so that’s why it’s essential to schedule routine furnace maintenance with Dave's Diversified Services. One of the tasks our pros complete during this service is clean your furnace’s burners. When this part gets grubby, you may hear your furnace making a loud rumbling noise if ignition takes more time. The ensuing gas buildup can crack your furnace’s heat exchanger, where natural gas turns into warm air. Any fractures in it can leak carbon monoxide, which is normally emitted outdoors. This dangerous gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Dave's Diversified Services advises turning it off and contacting us at 540-636-3396. Significant natural gas in your furnace or a cracked heat exchanger are serious problems that necessitate prompt repairs.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to provide warm air across your house. If the ductwork wasn’t designed correctly or is aging, it can be loud when your furnace is on. This could be the issue if your furnace makes a banging noise when it shuts off. Contact Dave's Diversified Services at 540-636-3396 and we’ll determine the problem.

2. Furnace Buzzes Constantly

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

Your furnace uses an internal transformer to work on the correct voltage. If wires or the box is loose, you might notice a low humming noise in the furnace when off. Your furnace also works with a blower motor, which sends heated or cooled air throughout your home, and a capacitor, which triggers the motor. If either of these pieces are going out, they will buzz when the furnace switches on.

3. Furnace Rattles

If your furnace is making a rattling noise, it can be the result of something little, like an unfastened screw, or something critical, like a broken component. In either case, we advise shutting your furnace off and contacting our heating pros at 540-636-3396 for help.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s trying to alert you it could use some TLC. If you’ve neglected furnace maintenance the past few years, belts could be worn down or a bearing may need to be greased. We realize that maintenance sometimes slips your mind, but our pros can get your furnace operating quietly again quickly.

5. Furnace Whistles

When you’re detecting your furnace making a whistling noise, it’s frequently because of an air leak in your ductwork. You might also notice whistling while the furnace is operating if a floor vent isn’t tight. If you’ve examined your vents but are still hearing noise, Dave's Diversified Services can provide support. It’s important to get loose ductwork taken care of fast, because it can result in comfort troubles in your house and drive up your utility expenses.

6. Furnace Makes a Loud, Unpleasant Grinding Noise

It’s not a good sign if you detect your furnace making a grinding noise. This metal-on-metal racket often means there’s a problem with your furnace’s blower. Turn off your furnace off right away and reach our professionals at 540-636-3396 for assistance.

When you’re hearing a weird noise from your furnace, Dave's Diversified Services is here to help. Contact us at 540-636-3396 to request your furnace repair appointment today.