When your furnace is working like it should, it should give warmth without generating too much sound. While it’s common to catch your furnace making noise as it starts up, other disruptions are indicating your furnace needs immediate professional assistance.

Here are some of the most common furnace noises and what they might be signaling. If your furnace is making an atypical noise, our friendly heating pros are here to help with the best furnace repair in Brookfield, Connecticut.

1. Furnace Making a Banging Noise

You may have an urgent situation on your hands if you’re detecting your furnace making a banging noise. If your furnace is making a knocking noise, it can indicate there could be a couple of problems. These involve gas increasing in your furnace or a ductwork problem.

Banging Sounds Coming from Your Furnace

Your heating system turns filthy over the years, so that’s why it’s essential to schedule annual furnace maintenance with Central Air LLC. One of the tasks our technicians perform during this appointment is clean your furnace’s burners. When this piece gets grimy, you may 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 transforms into warmth. Any breaks in it can emit carbon monoxide, which is ordinarily vented away from your home. This hazardous gas can be fatal in large concentrations.

If you’re hearing banging or knocking sounds coming from your furnace, Central Air LLC recommends turning it off and calling us at 203-357-5913. Too much natural gas in your furnace or a fractured heat exchanger are dangerous troubles that require fast repairs.

Banging Sounds Coming from Your Ductwork

Your furnace works with ductwork to provide heated air throughout your house. If the ductwork wasn’t installed right or is getting dated, it can make a lot of noise when your furnace is on. This might be the case if your furnace makes a banging noise when it shuts off. Get in touch with Central Air LLC at 203-357-5913 and we’ll pinpoint the problem.

2. Furnace Making a Buzzing Noise

If you observe 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 operate on the right voltage. If wires or the box isn’t tight enough, you might notice a low humming noise in the furnace when off. Your furnace also uses a blower motor, which sends heated or chilly air around your space, and a capacitor, which triggers the motor. If either of these components are fading, they will buzz when the furnace starts.

3. Furnace Making a Rattling Noise

If your furnace is making a rattling noise, it could be related to something little, like an unfastened screw, or something major, like a broken piece. In either case, we urge you to shut your furnace off and calling our heating specialists at 203-357-5913 for support.

4. Furnace Making a Squealing Noise

If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s making an effort to tell you it needs some TLC. If you’ve skipped furnace maintenance recently, belts could be worn out or a bearing could need to be greased. We realize that maintenance frequently slips your mind, but our technicians can get your furnace running quietly again fast.

5. Furnace Whistles

When you’re noticing your furnace making a whistling noise, it’s likely the result of 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 checked your vents but are still noticing noise, Central Air LLC can assist you. It’s essential to get loose ductwork taken care of fast, because it can result in comfort issues in your residence and drive up your gas bills.

6. Furnace Making a Grinding Noise

It’s not an encouraging sign if you notice 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 instantly and reach our pros at 203-357-5913 for assistance.

When you’re noticing an uncommon noise from your furnace, Central Air LLC is ready to support you. Contact us at 203-357-5913 to book your furnace repair appointment right away.