When your furnace is working like it should, it should provide warmth without generating too much noise. While it’s normal to notice your furnace making noise as it starts up, other sounds are indicating your furnace should get immediate professional assistance.

Here are some of the most frequent furnace noises and what they might be signaling. If your furnace is making a strange noise, our friendly heating professionals are here to fix the problem with the best furnace repair in Manassas, Virginia.

1. Furnace Making a Banging Noise

You may have a serious situation on your hands if you’re hearing your furnace making a banging noise. If your furnace is making a knocking noise, it might mean there could be several problems. These include gas accumulating in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system turns filthy over time, so that’s why it’s important to schedule seasonal furnace maintenance with Air-Right Energy Design. One of the things our professionals do during this service is clean your furnace’s burners. When this piece gets grubby, you could hear your furnace making a loud rumbling noise if ignition takes more time. The subsequent gas buildup might fracture your furnace’s heat exchanger, where natural gas turns into heat. Any breaks in it can discharge carbon monoxide, which is normally released outdoors. This dangerous gas can be deadly in large concentrations.

If you’re hearing banging or knocking sounds coming from your furnace, Air-Right Energy Design advises turning it off and reaching us at 703-260-1148. Too much natural gas in your furnace or a cracked heat exchanger are hazardous issues that should get prompt service.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to provide heated air around your home. If the ductwork wasn’t put in properly or is aging, it can be noisy when your furnace is on. This might be the problem if your furnace makes a banging noise when it shuts off. Contact Air-Right Energy Design at 703-260-1148 and we’ll pinpoint the problem.

2. Furnace Making a Buzzing Noise

If you hear your furnace making a buzzing noise, don’t delay calling us. A buzzing sound frequently is telling you there’s an electrical situation, 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 may hear a low humming noise in the furnace when off. Your furnace also works with a blower motor, which moves heated or cold air around your space, and a capacitor, which starts the motor. If either of these pieces are going out, they will buzz when the furnace starts.

3. Furnace Making a Rattling Noise

If your furnace is making a rattling noise, it can be related to something little, like an unfastened screw, or something major, like a broken component. In either case, we advise shutting your furnace off and getting in touch with our heating pros at 703-260-1148 for assistance.

4. Furnace Making a Squealing Noise

If your furnace makes a high-pitched noise, like squealing, when it’s running, it’s attempting to alert you it needs some TLC. If you’ve skipped furnace maintenance the past few years, belts could be worn out or a bearing might need to be lubed. We know that maintenance sometimes slips your mind, but our technicians can get your furnace heating quietly again quickly.

5. Furnace Making a Whistling Noise

When you’re detecting your furnace making a whistling noise, it’s likely due to an air leak in your ductwork. You may also notice whistling while the furnace is operating if a floor vent isn’t tight. If you’ve examined your vents but are still sensing sound, Air-Right Energy Design can assist you. It’s important to get loose ductwork repaired quickly, because it can create comfort issues in your house and drive up your heating costs.

6. Furnace Making a Grinding Noise

It’s not a positive 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. Shut down your furnace off promptly and contact our pros at 703-260-1148 for support.

When you’re hearing an uncommon noise from your furnace, Air-Right Energy Design is ready to support you. Contact us at 703-260-1148 to request your furnace repair appointment today.