My Furnace Is Making A Loud Noise When It Kicks On

The most complete GAS FURNACE TROUBLESHOOTING & REPAIR guide w/easy instructions & videos for all GAS FURNACE TROUBLESHOOTING PROBLEMS & REPAIRS. If the furnace is kept in an unheated basement, and it’s especially cold, the heating element may cause a thermal shock as it warms up and starts to force warm air through the system. Whenever you turn on your furnace, you expect your unit to circulate clean, fresh air throughout your house. If your furnace is making a loud noise just as it starts, this could be caused by a serious problem called “delayed ignition. Loud Bang When Furnace Starts. If we catch the problem in time, a little repair work and a regular schedule of seasonal maintenance will help make it a one-time incident. Delayed ignition is when that gas isn't ignited immediately, allowing the gas to build up in the furnace. Why Is My Air Conditioner Making a Loud Noise? Sure, it’s normal for your air conditioner to make enough noise for you to notice that it’s running. The problem with this : your water heater is struggling to heat the water properly, meaning it runs longer. A buzzing noise is usually a sign that there's an electrical issue with the AC. While most furnaces perform well with basic care and maintenance on a regular basis, users may occasionally experience problems. Sometimes after the blower kicks on but recently it starts right when the furnace starts. When the central ac unit kicks on every time this past week, there is a loud noise, sounds like After 1-3 seconds the noise stops and the blower kicks on. Dangerous Leak. Under certain conditions, the air filter may get sucked up against the top of the duct box. i have had 2 dvd drives go out on me. Is your furnace making noises? When this cloud belatedly ignites, it produces a loud sound within the metal furnace cabinet. If you hear loud noises from your furnace it could be a problem with the fan that cools down. Get a professional furnace inspection soon to prevent moisture damage and detect HVAC problems. If the refrigerator is making a loud bang or clunking noise, the problem is most likely failed mounts in the compressor. Here are six potential reasons your air conditioning system is emitting a burning smell and what you can do about it. Some of these noises can also be caused by your air vents. We built a 1,700-square-foot typical rectangular bungalow around 20 years ago. Here's what those loud furnace noises mean • If you're hearing a loud noise when your furnace turns on but aren't sure if it's coming from your furnace it could be caused by expanding and contracting air ducts. What do you think may be my problem?. Finding the exact reason why it is making noise and how to fix it can be challenging. A serious problem you may encounter is your furnace making unusual noises – take a look at these furnace noises you should never neglect. A buzzing noise is usually a sign that there’s an electrical issue with the AC. (My test meter claims the voltage is more like 4. Thankfully the part to fix this problem is relatively easy to Dryer was making a lot of noise then got quite after that then clothes wouldn't dry and no air coming out of rear vent and the whole dryer was getting hot. Loud furnace noises come from all kinds of reasons. A draft inducer (or vent blower) is the most common problem on a gas furnace or boiler to make a noticeable noise. To know which is the problem, determine where the loud noise originates from. Hire the Best Heating and Furnace Repair Contractors in Toledo, OH on HomeAdvisor. Is that grinding sound from my AC a warning sign? Strange noises are one of the ways you can tell if your air conditioner is encountering trouble. Did your air conditioner recently start making a funny noise? Residential and commercial air conditioners often suffer similar problems that result in the same noises. If there is a loud pop when your furnace kicks on, there are a couple things that could be happening. The gas keeps building until—BOOM—it reaches a flame. However it can be distracting and can get loud. Finally, have a licensed HVAC specialist check where the main supply duct connects to the furnace. We have an Avalon Cedar LP gas stove -7yrs. ” The ducts are simply popping because of the pressure change. of the noise. When you hear a loud, whirring noise from your car in reverse, what. When these are on the same circuits, on the same fuse or circuit breaker, turning on a large appliance will easily cause a little temporary drop in the voltage. This site is about home, family and Life experiences. This ticking happens when, (and only when) water is running. yes i do , my ears ring so loud that when people talk it sounds like they are echoing if someone says no it will echo and like no no no no, and it is driving me crazy , my doctor puts me on prednisone for 2 weeks and that seems to help quite alot. Some problems can be fixed by yourself but some problems need an expert to be fixed. A screeching sound may start coming from the system once the hissing gets worse — and that’s the sign of a much larger problem. This doesn’t have to be the case. Carrier furnace, 9 years old, never had problems, started making noise lately. Rick Mather. A Bellingham furnace repair professional can tune up your system to stop the noise, as well as protect your furnace components. Is this illegal?. Scraping Sound. If you hear these sounds or any other unusual sound, it is an indicator that gases within the furnace are not being transferred to the right. Often, an oil odor simply means your furnace filter has become. Banging noise when the furnace kicks on. Carrier furnace, 9 years old, never had problems, started making noise lately. Some problems can be fixed by yourself but some problems need. You didn’t include a model number so I can’t be sure of who the real manufacturer is (RE: Who made my Kenmore?) But this was a known problem with the ignition ports on the bake burner tube in some Whirlpool-built gas ranges, including some of the ones made for Kenmore. WATER RESONANCE: (constant thumping) A noise you hear when the toilet is flushed and the toilet is running water during its flush. What do you think may be my problem?. I am hoping someone may have an idea about why this is happening and how to stop it. A dirty furnace will burn higher amounts of electric and/or gas fuel as well as work less effectively than a clean furnace. Your furnace is most likely experiencing “delayed ignition. If the boom or banging noise is located at the heater, a delayed gas ignition is most likely the. I am just. This thing on my heater is making a shitload of noise like rattling/vibration and such before the heat fan kicks on. In other words, there's an ignition system malfunction that needs to be fixed. " This can severely damage your furnace and burn you if you're not careful. Two general things are a dirty furnace burner or ignitor. Want someone to fix your noisy pipes? Get a quick quote here. This doesn’t have to be the case. I have a Potteron Flamingo 50s, that is make a lot of noise when in use, it is reasonable quiet just after it is turned on then after a minute or so the clanking and banging noises start and they are quite loud but the volume does die down over time. But due to how loud the noises usually are, they would be hard to ignore even if you wanted to!. Problem solved, so I thought. Once I figured out it was my furnace, I cranked my heat up to see if the furnace would actually kick on. 1 - Expansion and Contraction. Stress builds up unevenly and relieves suddenly, causing loud bangs due to the rectangular shape of typical residential ductwork. My Boiler Pipes Make A Banging Noise. A common cause of this type of noise could be that the heating system is working too hard and might be in danger of shutting down. Hey Guy's, Quick question about what could cause a loud rattling noise when the furnace starts up. Can’t hear the TV because your vents are so loud? Is your air conditioner unit making a loud humming noise? While some noises are normal, such as a quiet hum or the sounds of air whooshing through the vents, sometimes HVAC systems make strange noises and can become disruptive annoyances in the home. If there is a loud pop when your furnace kicks on, there are a couple things that could be happening. More likely, it’s one of these two problems. Extending and contracting air ducts can also cause loud noises after the furnace blower comes on. If your furnace is making unusual and loud noises, it’s important to pinpoint the source of the sound in order to solve the issue. Furnace Making a Squealing Noise. Heather backs away, horrified. Scraping Sound. If you hear a high pitched whistling noise, kind of like a kettle, when your furnace turns on, it's likely that you have a small hole somewhere in the system that is. A low noise that sounds somewhat like the low, steady sound made by a train often indicates bad motor bearings. Otherwise, your furnace won't start. I have a small house on a concrete slab. Ny furnace is making a loud noise and there no heat either Furnace kicks on. Flue Limit Switch - When Your Furnace Keeps Turning Off and On. One noise can be very distracting, even irritating. The vibration can lead to loose hardware, possibly in the compressor's mounts or elsewhere. Then open it when your iMac seems to be overheating to see the. This site is about home, family and Life experiences. Make sure there's nothing blocking the air register at the return, which can lead to pressure problems. If you hear a squeaky noise or loud clattering you automatically suspect that something is wrong. There was a time when many items littered my nightstand. then it stopped burning. I had an HVAC tech come out and tell me I needed a new blower in the furnace - for $2,000 - and my furnace is only 2 years old. Two general things are a dirty furnace burner or ignitor. Sometimes after the blower kicks on but recently it starts right when the furnace starts. Stand near your furnace as it’s about to turn on and listen: If the furnace made a clicking noise trying to turn on and then makes the BANG noise at the furnace, it’s most likely a delayed ignition. If the boom or banging noise is located at the heater, a delayed gas ignition is most likely the problem. Re: Neighbors new loud horizontal furnace vent A t/wye at the end of the pipe allows condensate to drip out but deflects noise. Can you tell me …. Are you wondering, why does my toilet make noise when not in use? Having to constantly listen to a loud toilet can become quite annoying, but more There are several things that could be causing your toilet to make either a gurgling noise or a loud noise, but the three most common reasons include. Then I noticed the air conditioner (the part in the closet in the hall, not the part outside) is making this loud buzz/hum sort of noise. Before you call a repairman, consider doing it yourself. · Delayed ignition – A furnace is run by a chain of reactions. 2013 now I'm up at three a/m it's three am and the outside unit is making a knocking noise (loud) I. Thanks to this site I was able to fix my furnace. When you notice your AC is making a hissing noise, it may also be coming from the compressor. If you hear a banging noise that only happens when your furnace kicks on, it’s unlikely that it’s a loose mechanical part. If your furnace is making any of these noises, it needs attention. You are unsure if this is a common issue. Sometimes banging on something will right it in the meantime. QUESTION: My question is regarding my loud furnace. It sounds like a mixture of the disc vibrating and a creaky door. We were told a while back that it was normal and there was nothing they could do. What I am puzzled by is the noise that sounds like a "starter. Inspecting your furnace can help you determine the cause of the noise. Get a professional furnace inspection soon to prevent moisture damage and detect HVAC problems. Extending and contracting air ducts can also cause loud noises after the furnace blower comes on. It boasts an AFUE rating of up to 96. The arcing makes a LOUD noise, probably 80db/1m or more, with a frequency that depends on the distance between the wires. Don’t worry, if the HVAC is making a buzzing noise you’re not alone. Ask yourself: Is there anything else that could be making the sound? If you cannot determine what area or which component of the furnace the noise is coming from, try to find out if the. Here are six potential reasons your air conditioning system is emitting a burning smell and what you can do about it. Then again before the furnace shuts off (fan is still running) the clicks happen again. A serious problem you may encounter is your furnace making unusual noises – take a look at these furnace noises you should never neglect. I have a new, 3-year old, high-efficiency furnace in my home. Whistling Noises. This makes a very disturbing sound almost as bad as fingernails on a chalk board. My landlord called me today and said that I am not able to take possession of the house. The noise occurs more frequently when it's hot outside. Determine the source of the thumping noise, which may be challenging depending on the size of your HVAC system and the distortion of sound and echo in large basements or buildings. First and foremost, this situation is not one that should be considered a simple annoyance. If it’s making a lot of noise when turned on, it may be because calcium deposits are being left behind due to hard water in your area. If, however, the noise becomes louder and becomes non-stop, your system may be in need of some tweaking. Squealing: A lack of lubricant or a loose fan belt can cause high-pitched squealing. More likely, it’s one of these two problems. NOTE: An estimate from the technician doing our annual furnace cleaning and checkup was in a range of $200-$250. A/C installer had the pressure guage hooked to it and when it came on the pressure dropped to 20 for a second or. Why Does My Furnace Make a Loud *BANG/BOOM* Noise When it Turns On? Here’s a common issue we hear from homeowners with furnaces : “Why does my gas furnace turn on with a loud BANG?” There are two possible causes of the noise:. The noise you’re hearing is usually a sign of “ electrical arcing”, an electrical discharge you see when electricity is jumping between circuitry. You are probably familiar with the sounds your AC makes during normal operation, so when something like a grinding noise starts, it will stand out—as it should. when the furnance kicks on it makes a loud roaring noise after it gets hot it doesn't seem to be as loud. If your furnace’s AFUE is above 90, you most likely have a condensing furnace. Homeowners who need furnace repair, maintenance, or installation of a brand-new heating system love that we stand behind our work on EVERY job. Furnace problems and humming are sometimes related to a bad interior fan or capacitor. A serious problem you may encounter is your furnace making unusual noises – take a look at these furnace noises you should never neglect. They grow close and Steve helps Bucky slowly get his memories back, but he is terrified of one thing: Bucky finding out about his true feelings. Finding the exact reason why it is making noise and how to fix it can be challenging. Do you hear your air conditioner making a humming noise? An AC hum is usually not a concern, unless the sound varies greatly from its typical sounds. If there is a loud pop when your furnace kicks on, there are a few things that could be occurring. We are wont to imagine rare and delectable places in some remote and more celestial corner of the system, behind the constellation of Cassiopeia’s Chair, far from noise and disturbance. It boasts an AFUE rating of up to 96. If there is a loud boom when your furnace kicks on, there are a couple things that could be happening. What can I do to fix this gas furnace that is making too much noise? I’m growing to hate my noisy gas furnace. When a dryer makes a thumping noise, there are a few different things that could be at fault. Loud Bang When Furnace Starts. Carrier furnace, 9 years old, never had problems, started making noise lately. When a furnace keeps turning on and off, it is usually due to short cycling. It sounds like someone using a. Here's a common issue we hear from homeowners with furnaces: "Why does my gas furnace turn on with a loud BANG?" There are two possible causes Delayed gas ignition is when gas in the furnace builds up rather than igniting immediately. It's just a result of your AC. This can be to your advantage in more ways than just having a peaceful home, though, since it makes unusual sounds stand out. I haven’t encountered any furnaces with an audible fault alarm, at least with the gas fired furnaces I’m most familiar with , but I’m sure I haven’t seen everything. Then again before the furnace shuts off (fan is still running) the clicks happen again. then they stoped playing dvds. Furnace problems and humming are sometimes related to a bad interior fan or capacitor. I provided a few things for you to look at the. I suspect it is quite old and being in a rented property I doubt. The only way to correct this I can understand your concern over the refrigerator making noise. The type of noise may be used to diagnose the nature of the problem. Dangerous Leak. I have a new, 3-year old, high-efficiency furnace in my home. We are a family-operated business with over 15 years of experience in the HVAC industry and can help with installations and repairs on all brands of furnaces, heating systems, and more. This whole time eveytime it goes off there is a very loud bang. This is caused by delayed ignition of the gas. If your system is making loud noises when it used to be silent, you should have a professional inspect the furnace for any causes of damage. When the gas finally ignites after building up a while, a mini. The sounds you hear could come from the furnace itself or ducts, so try to identify the location of the noise as you diagnose the problem. If you hear a high-pitched noise, it could be the shaft bearings are in need of oil, there is an issue with the blower belt, or the blower motor is malfunctioning. Cleaning your furnace is an important task to keep on your home maintenance schedule. Whistling Noises. Everything else is working fine and there isn’t ice build up anywhere else. Buzzing or humming noises are usually caused by an electrical issue and will happen as your system gets older. When the rear bearing gets worn down it will make a horrendously loud screeching noise. Washing Machine Making a Loud Grinding Noise. Fan will move if you turn it but will not kick on when furnace comes on. A big problem you may run into is your furnace making weird noises take a look at these furnace noises you should never disregard. The gas keeps building until—BOOM—it reaches a flame. If it becomes too noisy you might want to call a service tech to come and make sure the operating I have heard heat pumps make cracking noises when the heat pump kicks into defrost and starts Thanks Steve for making this video. If your system is making loud noises when it used to be silent, you should have a professional inspect the furnace for any causes of damage. The wonderful "wha-boom" noise you're hearing when your furnace comes on is likely one of two things. Note: If your furnace doesn’t have an AFUE rating posted on the side, it is most likely a very old unit and is a conventional furnace. Loud Bang When Furnace Starts. com with the following information. The furnace had been making some loud noises when it turned on. Is this illegal?. i have had 2 dvd drives go out on me. Does it make a blowing sound like wind? Or maybe a loud humming noise? We know that’s not good. both of them made that noise at first. Look, I know that most of you think that your furnace air filter is to make the air that you breath more healthy and comfortable, but this just isn't the case. Hey Guy's, Quick question about what could cause a loud rattling noise when the furnace starts up. This helps to circulate the heat better than the floor duct work too, especially since my 5er does not have any floor furnace vents in the bedroom. It could be your duct work doing what's called "oil-canning"—that is, flexing when the pressure changes—or, less likely but more serious, it Air rushing in my furnace and making a loud noise. Dangerous carbon monoxide (CO) leaks may occur if components aren’t well maintained. No problems. Are there loud noises coming from your furnace? Should you be concerned? What causes your furnace to make loud sounds? Sam, can we talk for a bit? Yes sure. Everything else is working fine and there isn’t ice build up anywhere else. Common causes of this noise include: Dirty furnace burners— Does it take several several seconds to a minute before the furnace comes on after you Once the gas ignites it makes the loud banging noise. Expansion tank causes loud noise; Author: dmartien (CA) I recently found that I have a pressure regulator at the inlet to my domestic water, and I had pretty large pressure rises when the hot water heater ran. Step 1 - Check Your Air Filter if Your Furnace is Cycling On and Off Repeatedly. Dust Is Burning Off. This can be dangerous, and you should call a qualified HVAC specialist immediately. A buzzing noise is usually a sign that there’s an electrical issue with the AC. If you notice that your Cubii is making an abnormal noise, please follow the troubleshooting steps here. It starts with a humming sound. Having that information can help you decide if you need. Common causes of this noise include: Dirty furnace burners— Does it take several several seconds to a minute before the furnace comes on after you Once the gas ignites it makes the loud banging noise. I do it in short bursts to help him better tolerate it. When you notice your AC is making a hissing noise, it may also be coming from the compressor. The high pitch noise doesn't start until the burners kick on. It sounds like a relay clicking on and off, probably about 6 to 8 times. My mother is having a very similar problem to what you've described. You are probably familiar with the sounds your AC makes during normal operation, so when something like a grinding noise starts, it will stand out—as it should. Does your air conditioner make a humming or buzzing sound when it switches on and you want to put an end to it? If so, click here to see what the noise is. Often the best way to figure out what is wrong with something is to know how it is supposed to work. There was a time when many items littered my nightstand. Two general things are a dirty furnace burner or ignitor. vote up However if it is fairly new, the sound may be coming from the external furnace. It offers up white noise like ocean waves, crackling fires, and chants. If your AC unit is making a humming noise that just seems to get louder and louder, it is a good sign that something isn't right within the. Cleaning your furnace is an important task to keep on your home maintenance schedule. I have a 97 Holiday Rambler motor home. Furnace Making a Squealing Noise. Do the bearings need lube? If a newer furnace, would the fan motor even have oiling points ? The windings hum is augmented at starting (essentially LRA) but the hum is lessened as the amperage drops as the speed kicks up. I have a floor module metal fanAnd it make the awfully loud soundIn the beginning it would stop if I put WD40 on itNow ain't nothing I can doI love this fanIt's like the rod that attachment to. COMMON PROBLEMS. Two general things are a dirty furnace burner or ignitor. This makes a very disturbing sound almost as bad as fingernails on a chalk board. An attic fan is a large fan located in the attic area or in an upper crawl space where it has access, through the ceiling, to many different areas in the house. i have had 2 dvd drives go out on me. If the carriage car makes a loud noise when you push the cut button, as if the carriage car is hitting the side of the machine, please record a brief video of If an unusual noise occurs with a new machine upon first use, please contact Member Care for assistance. From that initial assessment, the technician further identifies and fixes components that caused these signals to happen in the first place. When the gas finally ignites after building up a while, a mini. I think the loud noise at the start. Probable cause: There's an electrical. When these are on the same circuits, on the same fuse or circuit breaker, turning on a large appliance will easily cause a little temporary drop in the voltage. So we get some heat but it stops a lot and reboots the ecobee. Humming: If you hear humming but your furnace is functioning correctly, you likely have a loud transformer. Two general problems are a dirty furnace burner or ignitor. Under these circumstances, noises can be expected. Is Your Furnace Making Noise? Here Are 7 Possible Causes When Wake Forest residents call us for heating repair, a common complaint is that their furnace is making a loud or strange sound they have not heard before. I removed the blower motor and it seems rotate smoothly. What could be wrong?… read more. We are a family-operated business with over 15 years of experience in the HVAC industry and can help with installations and repairs on all brands of furnaces, heating systems, and more. Lately my computer has been making a loud whirring noise when it boots up. My furnace is supposed to be a perm lubricated motor. This can be to your advantage in more ways than just having a peaceful home, though, since it makes unusual sounds stand out. This can be a problem with the blower wheel. Plus, if it were the hard drive wouldn't I. When a dryer makes a thumping noise, there are a few different things that could be at fault. Rick Mather. Noisy Indoor Unit, Loud Furnace: Noisy indoor unit, air handler, or furnace are all very common complaints in the HVAC field. We're assuming it's due to the great amount of snow we've had this winter and it's starting to melt. If you hear a squeaky noise or loud clattering you automatically suspect that something is wrong. Theoretically, room lights should never be on the same circuits as any large appliances. If the boom or banging noise is located at the heater, a delayed gas ignition is most likely the problem. Loud Bang When Furnace Starts. If your furnace is making any of these noises, it needs attention. Two general things are a dirty furnace burner or ignitor. but nothing is actually there. Furnace is making a loud noise, awful furnace motor noise, furnace noise reduction, gas furnace noise like a slamming door that vibrates, heat pump making funny noise, when I turn on furnace sound strange, our boiler makes noises through the whole house and so on!. The blower of my furnace makes a loud noise every time it starts. "What Causes a. 5 HVAC System Sounds You Don't Want to Hear furnace noise. It's fine for a day or two, but now there's a noise when the fan kicks on. A lot of inshot gas burners make a noise when they are burning the gas. Why Does My Furnace Make a Banging Noise? Metal ductwork acts like a sound chamber that reverberates noise and disperses it throughout the house, making it difficult to trace a sound back to its source. When electrical wires separate by just a little, an electrical arc can be created, which can produce a buzzing sound and the potential for an electrical. then they stoped playing dvds. When I turn my car to the left or right it makes this loud sounds like metal grinding noise. Furnace noises are often a sign of problems either with the unit itself or with the way air is flowing through your furnace. Determine the source of the thumping noise, which may be challenging depending on the size of your HVAC system and the distortion of sound and echo in large basements or buildings. 1 - Expansion and Contraction. FILL VALVE HISS: A noise that is constant and sounds like forced air moving through the toilet. 6 Reasons Your AC Smells Like It’s Burning & What to Do Next. There should be a flexible expansion-joint collar in that location to isolate the duct from noise generated by the furnace blower and to absorb duct movement. If your boiler is making a loud humming noise when it operates, you'll want to check for The most common cause of a boiler humming is a slight vibration in the casework somewhere. I suspected that the defrost process is making the loud noise. Central furnace fan makes a loud noise when starting up but the hum is lessened as the amperage drops. Is this illegal?. Why are my lights flickering? The source of a light flickering can be as benign as a bad bulb or as serious as needing service on your main electrical panel. If you hear a loud raking noise that sounds like metal on metal, there is probably something faulty with the blower wheel. When these are on the same circuits, on the same fuse or circuit breaker, turning on a large appliance will easily cause a little temporary drop in the voltage. In 2009 I had a 2006 Fleetwood Providence DP and it came with a refer that was louder than normal. A furnace blower motor is one of the most important components in your gas or oil furnace. I suspect it is quite old and being in a rented property I doubt. It’s just a result of your AC wearing down over time. It is moving air and the cage is spinning. Carrier furnace, 9 years old, never had problems, started making noise lately. NOTE: An estimate from the technician doing our annual furnace cleaning and checkup was in a range of $200-$250. Recently my furnace starting making a loud "boom" sound at the end of a heating cycle. Can anyone help? Will it break down before Monday? the clanking noise was REALLY loud, it woke me up in the. Have you ever heard your pipes banging when the steam boiler comes on? It’s as if someone is taking a hammer and banging it against the pipes! If it’s a steam boiler, water has made it up into the pipes because the boiler is too full. If your furnace keeps turning on and off repeatedly, it can be stressful at best, and cold or downright uncomfortable at worst. Some problems can be fixed by yourself but some problems need. While my humidifier was an Aprilaire 700 model humidifier, I would still expect that most of this discussion can easily be applied to other brands of humidifiers as well. When the rear bearing gets worn down it will make a horrendously loud screeching noise. We're assuming it's due to the great amount of snow we've had this winter and it's starting to melt. A rumbling noise from your furnace isn't necessarily a sign of a dangerous problem, but it can be. If, however, the noise becomes louder and becomes non-stop, your system may be in need of some tweaking. It's pretty loud in the furnace room, but I couldn't see anything amiss. If your AC unit is making a humming noise that just seems to get louder and louder, it is a good sign that something isn't right within the. The XV95 is made of quality, durable material and consists of superior components adding to its reliability. Noise goes back to normal after it's at operating speed. Gas furnace repair is depends on how old your furnace is. Note: If your furnace doesn’t have an AFUE rating posted on the side, it is most likely a very old unit and is a conventional furnace. Right before it kicks on there is a loud bang. My furnace blower recently started making a loud, low, steady train like noise every time it comes on. I had a loud rattling sound vibrating my entire home, initially thought it was from the furnace motor, or at least that's what the furnace guy implied when I changed the motor, I had this annoying rattling noise for a long time, thought it was some malfunctioning motor somewhere in the home, it. My Boiler Pipes Make A Banging Noise. Heather backs away, horrified. Now, even with the temperature set on 75 degrees, it I have a gas furnace and keep hearing a loud boom type noise when it kicks in. I just bought a new rental house and found out there is a very loud vibration noise comin This is an odd question but maybe someone can help. "What Causes a. If your furnace is making a loud noise just as it starts, this could be caused by a serious problem called “delayed ignition. If you have an old furnace or boiler, you may have a pilot light. If you hear a bang or loud rattling as your furnace kicks on, this is another indication of a carbon monoxide problem. It is installed in a closet close to my bedroom. The noise happened for less than a second the fan that cools the hot gas returning from the furnace is usally an AC voltage, capacitor start motor. However, some noises can indicate an issue with your furnace that could possibly put you and your family at risk. Most likely, your furnace is making a clicking noise and not providing heat because your furnace’s spark igniter is trying to ignite your pilot light or burners but is failing to do so. Expanding and contracting air ducts can also cause loud bangs after the heating system blower starts up. When your furnace isn't working it could be several things. If ear covering, overreacting, yelling, or fear of loud noises are the norm in your house, I feel your pain. RTV6 brings you you breaking and developing news, weather, traffic and sports coverage from the Indianapolis metro area on WRTV-TV and TheIndyChannel. Hi all, Sometimes when I power on my laptop its fan makes a loud noise however temperature is not high, what's the problem? Unfortunately based on when the last response was made, I have closed this thread to help keep comments current and up to date.