But beware of rumbling in oil-burning furnaces. Oil might be pooling in the combustion chamber, leading to carbon monoxide. Have the system checked by a professional as soon as possible.
Putt-putt-putt sounds in oil furnaces are bad. Call a heating professional immediately. Groaning can mean worn motor bearings. A new motor might be in order. Once the air stops flowing, the pressure goes down. As the long sides of the rectangle contract with the reduction in pressure, the metal ductwork can react with a second popping or banging sound. Newer systems that have a layer of rigid insulation on the outside may not have this issue. An older system may not make this sound due to a buildup of dust on the inside of the ductwork.
With older systems, it most often shows up after a good duct cleaning removes the sound insulation from the inside of the ducts. Now, there are a few cases when that duct noise is a sign of trouble. If you also hear a whistling sound, you may have a problem. In some cases, however, the whistling may just be a sign the system is working at peak efficiency. Instead, gas builds up in the combustion chamber. Once the burners are finally able to ignite, there is a larger volume of gas present, so the banging noise you hear is the sound of this gas finally igniting.
If you believe your furnace suffers from dirty burners and delayed ignition, call for furnace repair right away. Ignoring this issue could lead to a damaged heat exchanger or create a possible fire hazard in your home. If your furnace makes a banging noise when it turns off, give A-1 Mechanical a call for fast and reliable repair service. Our technicians examine your heating system to find the source of the banging sound you hear and perform lasting repairs to eliminate the issue, restoring quiet furnace operation.
Count on our team any time you experience troubles with the furnace or heating system inside your Lansing area home. Dirty Ductwork An accumulation of dirt and debris inside your ductwork may also be to blame when your furnace makes a banging noise when it shuts off. Call your heating and cooling professional as soon as you can to fix this problem, which could turn deadly if ignored!
You could try to fix this by DIY sealing your ductwork or you could call a professional to fix and seal your entire duct system. The rattling could also be coming from loose panels that need to be tightened. This could be due to a number of reasons:.
As soon as you hear this noise, turn off the furnace immediately and call a professional to troubleshoot and fix the situation. If you ignore this metal clanging noise, you could break your blower and other important components of you furnace system. Squealing, screeching, and grinding noises are often the result of something amiss with your blower. Either the blower belt has loosened or slipped off its track or your motor bearings are failing and need to be replaced or oiled by a professional.
A clicking noise is normal when you furnace is first turning on. This is the sound of your ignition clicking on. If you furnace starts to click, the blower turns on, and then back off again, you could have a problem with your flame sensor.
Call a professional to have your flame sensor checked and cleaned. If your furnace continues to click without ever turning on, you may have loose wiring or a leaking gas valve.
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