When your furnace is working correctly, it should provide heat without creating too much sound. While it’s expected to notice your furnace making noise as it begins running, other sounds are showing your furnace requires immediate professional assistance.

Here are some of the most reported furnace noises and what they can be indicating. If your furnace is making a weird noise, our friendly heating pros are here to fix the problem with the best furnace repair in Houston, Texas.

1. Furnace Making a Banging Noise

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

Banging Sounds Coming from Your Furnace

Your heating system becomes grimy over time, so that’s why it’s important to set seasonal furnace maintenance with Air Current AC & Heat. One of the things our pros do during this appointment is clean your furnace’s burners. When this part gets dirty, you could hear your furnace making a loud rumbling noise if ignition takes more time. The resulting gas buildup can crack your furnace’s heat exchanger, where natural gas transforms into warm air. Any cracks in it can leak carbon monoxide, which is ordinarily vented outdoors. This dangerous gas can be deadly in large concentrations.

If you’re aware of banging or knocking sounds coming from your furnace, Air Current AC & Heat urges you to turn it off and reaching us at 713-322-4318. Excessive natural gas in your furnace or a fractured heat exchanger are critical troubles that necessitate prompt service.

Banging Sounds Coming from Your Ductwork

Your furnace uses ductwork to move hot air around your residence. If the ductwork wasn’t put in correctly or is aging, it can be loud when your furnace runs. This may be the issue if your furnace makes a banging noise when it shuts off. Get in touch with Air Current AC & Heat at 713-322-4318 and we’ll determine the problem.

2. Furnace Buzzes Constantly

If you notice your furnace making a buzzing noise, don’t delay calling us. A buzzing sound often means there’s an electrical problem, like with its transformer, blower motor or capacitor.

Your furnace uses an internal transformer to run on the proper voltage. If wires or the box needs to be tightened, you could notice a low humming noise in the furnace when off. Your furnace also has a blower motor, which distributes heated or cold air around your rooms, and a capacitor, which triggers the motor. If either of these components are going out, they will buzz when the furnace switches on.

3. Furnace Makes Rattling Sounds Like Something Is Loose

If your furnace is making a rattling noise, it may be due to something minor, like a loose screw, or something major, like a broken piece. In either case, we recommend shutting off your furnace and calling our heating professionals at 713-322-4318 for assistance.

4. Furnace Is Making a High-Pitched Squealing Sound

If your furnace makes a high-pitched noise, like squealing, when it’s running, it’s trying to get your attention it could use some TLC. If you’ve forgotten furnace maintenance recently, belts could be worn down or a bearing may need to be lubricated. We are aware that maintenance sometimes slips your mind, but our professionals can get your furnace running quietly again quickly.

5. Furnace Whistles

When you’re noticing your furnace making a whistling noise, it’s frequently the result of an air leak in your ductwork. You may also hear whistling while the furnace is running if a floor vent isn’t tight. If you’ve looked at your vents but are still sensing noise, Air Current AC & Heat can help. It’s critical to get loose ductwork repaired quickly, since it can result in comfort troubles in your house and drive up your gas costs.

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 noise usually means there’s an issue with your furnace’s blower. Switch off your furnace off now and reach us at 713-322-4318 for support.

When you’re hearing an uncommon noise from your furnace, Air Current AC & Heat is here to provide assistance. Contact us at 713-322-4318 to schedule your furnace repair appointment right away.