Banging, Screeching and Rattling: What 6 Ordinary Furnace Noises Signify
When your furnace is operating like it should, it should deliver warm air without making too much noise. While it’s normal to notice your furnace making noise as it starts up, other noises are showing your furnace requires immediate professional help.
Here are some of the most common furnace noises and what they might be signaling. If your furnace is making a weird noise, our friendly heating professionals are here to help with the best furnace repair in Abilene, Tx.
1. Furnace Making a Banging Noise
You could 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 mean there could be a few problems. These include gas building up in your furnace or a ductwork issue.
Banging Sounds Coming from Your Furnace
Your heating system turns grimy as time passes, so that’s why it’s critical to book yearly furnace maintenance with Abilene Air-Tech Inc. One of the jobs our pros perform during this appointment is clean your furnace’s burners. When this part gets grimy, you might hear your furnace making a loud rumbling noise when ignition is delayed. The ensuing gas buildup can break your furnace’s heat exchanger, where natural gas changes into heat. Any breaks in it can emit carbon monoxide, which is normally emitted outdoors. This hazardous gas can be lethal in large concentrations.
If you’re hearing banging or knocking sounds coming from your furnace, Abilene Air-Tech Inc advises turning it off and contacting us at (325) 692-5850. Excessive natural gas in your furnace or a cracked heat exchanger are dangerous problems that require fast repairs.
Banging Sounds Coming from Your Ductwork
Your furnace relies on ductwork to provide hot air around your home. If the ductwork wasn’t designed properly or is getting dated, it can be loud when your furnace is on. This may be the case if your furnace makes a banging noise when it shuts off. Get in touch with Abilene Air-Tech Inc at (325) 692-5850 and we’ll determine 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 frequently indicates an electrical issue, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to run on the correct voltage. If wires or the box needs to be tightened, you may notice a low humming noise in the furnace when off. Your furnace also has a blower motor, which sends hot or cold air around your residence, and a capacitor, which triggers the motor. If either of these pieces are fading, they will buzz when the furnace switches on.
3. Furnace Making a Rattling Noise
If your furnace is making a rattling noise, it may be due to something minor, like an unsecure screw, or something major, like a broken piece. In either case, we recommend shutting off your furnace and calling our heating professionals at (325) 692-5850 for assistance.
4. Furnace Making a Squealing Noise
If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s attempting to get your attention it requires some TLC. If you’ve skipped furnace maintenance the last couple of years, belts could be worn down or a bearing may need to be lubricated. We realize that maintenance often slips your mind, but our technicians can get your furnace heating quietly again rapidly.
5. Furnace Making a Whistling Noise
When you’re detecting your furnace making a whistling noise, it’s typically because of an air leak in your ductwork. You may also hear whistling while the furnace is running if a floor vent isn’t secure. If you’ve looked at your vents but are still sensing whistling, Abilene Air-Tech Inc can help. It’s critical to get loose ductwork taken care of quickly, since it can make comfort problems in your home and drive up your energy expenses.
6. Furnace Making a Grinding Noise
It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal sound usually means there’s an issue with your furnace’s blower. Switch off your furnace off now and contact us at (325) 692-5850 for support.
When you’re hearing a strange noise from your furnace, Abilene Air-Tech Inc is ready to help. Contact us at (325) 692-5850 to schedule your furnace repair appointment right away.
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