When your furnace is operating properly, it should give heat without creating too much noise. While it’s common to catch your furnace making noise as it starts up, other disruptions are indicating your furnace needs immediate professional help.
Here are some of the most frequent furnace noises and what they can be signaling. If your furnace is making a strange noise, our friendly heating professionals are here to help with the best furnace repair in Corpus Christi, Texas.
1. Furnace Makes Banging or Knocking Sounds
You might 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 may indicate there could be a few problems. These include gas accumulating in your furnace or a ductwork issue.
Banging Sounds Coming from Your Furnace
Your heating system turns grimy over the years, so that’s why it’s essential to set seasonal furnace maintenance with Total Assurance AC & Heating. One of the things our techs complete during this work is clean your furnace’s burners. When this part gets grubby, you might hear your furnace making a loud rumbling noise if ignition is delayed. The ensuing gas buildup can crack your furnace’s heat exchanger, where natural gas transforms into warmth. Any cracks in it can discharge carbon monoxide, which is normally vented outdoors. This toxic gas can be fatal in large concentrations.
If you’re aware of banging or knocking sounds coming from your furnace, Total Assurance AC & Heating recommends turning it off and contacting us at 361-446-6925. Too much natural gas in your furnace or a cracked heat exchanger are serious issues that necessitate fast repairs.
Banging Sounds Coming from Your Ductwork
Your furnace works with ductwork to provide hot air around your home. If the ductwork wasn’t put in properly or is getting old, it can be noisy when your furnace is heating. This may be the problem if your furnace makes a banging noise when it shuts off. Contact Total Assurance AC & Heating at 361-446-6925 and we’ll pinpoint the problem.
2. Furnace Making a Buzzing Noise
If you hear your furnace making a buzzing noise, don’t wait to call us. A buzzing sound typically means there’s an electrical problem, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to operate on the correct voltage. If wires or the box is loose, you could detect a low humming noise in the furnace when off. Your furnace also works with a blower motor, which distributes heated or cooled air around your space, and a capacitor, which triggers the motor. If either of these parts are fading, 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 related to something little, like a loose screw, or something serious, like a broken piece. In either case, we recommend shutting off your furnace and contacting our heating pros at 361-446-6925 for assistance.
4. Furnace Is Making a High-Pitched Squealing Sound
If your furnace makes a high-pitched noise, like squealing, when it’s on, it’s attempting to alert you it needs some TLC. If you’ve forgotten furnace maintenance the last couple of years, belts could be worn out or a bearing could need to be lubed. We realize that maintenance frequently slips your mind, but our technicians can get your furnace heating quietly again fast.
5. Furnace Makes a Whistling Sound Like Air Escaping
When you’re detecting your furnace making a whistling noise, it’s frequently because of an air leak in your ductwork. You could also notice whistling while the furnace is operating if a floor vent isn’t secure. If you’ve examined your vents but are still hearing sound, Total Assurance AC & Heating can assist you. It’s critical to get loose ductwork repaired without delay, as it can result in comfort issues in your residence and drive up your heating 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 noise often means there’s a problem with your furnace’s blower. Turn off your furnace off right away and call us at 361-446-6925 for help.
When you’re getting an uncommon noise from your furnace, Total Assurance AC & Heating is available to provide assistance. Contact us at 361-446-6925 to schedule your furnace repair appointment right away.
