If there are water pipes in that wall it is possible that they are rattling. Nothing I can see. A mechanical wave is a disturbance that moves and transports energy from one place to another through a medium. I am 64 and for as long as I can remember I hate any repetitive sounds, clicking, tapping, whistling, any continual sound or movement. People often don't find a water leak in a wall until it's been leaking for a long time. The easy fix is play some Metallica, loud. As the drywall becomes saturated with water, the paint or wallpaper on the wall may begin to blister or peel. Water entering your home is under pressure to move it through the pipes. It looks like you entered an employee email address, but this is the customer sign-in. at 'high pressure'. Tilson Avenue. If this is the case, you'll need to have your fan motor replaced. com Please bookmark us Ctrl+D and come back soon for updates! All files are available in both Wav and MP3 formats. Beads of sweat is clinging to him and the screaming of cicadas in the trees only fuels his headache. Let us show you! Here's what's going on in the cylinders inside the engine during pinging or knocking:. 5 ton and is in my backyard. EcoFlow is raising funds for DELTA - The New Standard Of Battery-Powered Generator on Kickstarter! Recharge 0 to 80% Within One Hour. We can counter this by turning on the cold water tap of the bath and also the sink cold water tap. other duck hunters from putting out their decoys within that distance in any. Water hammer is a knocking or banging noise in a water line that occurs when the water valve opens and closes. In the last few months, I have noticed a knocking sound when an upstairs water supply is running (it doesn't happen when downstairs water is running). I noticed the water spraying on my $30,000. Current data typically are recorded at 5- to 60-minute intervals, stored onsite, and then transmitted to USGS offices every 1 hour, depending on the data relay technique used. Your home is a sacred place that should offer an environment you can't wait to return to. That's what's happening in your pipes. Call the professionals at American Pest and get rid of these noise making animals. Right now. Bascially it sounds very much like water is running through the pipes. Also, when you go to the bathroom, you here the same sound like running water enveloping the room. It woke me at approx 2:30am this morning, and my son at 4:45am. If a house has open nooks and crannies, these creatures are highly tempted to enter. When a sound is created, the molecules bump into one another in a pattern. Running water through the pipe will help melt ice in the pipe. This rear differential noise is described as a heavy clicking type of sound which occurs every eight feet or so. Loud Noises During Shut Down or Startup. The symptom is a distinct ticking or knocking noise on every second rev (car idles very low at some 580 rpm at moment, giving some 290 knocks/minute. The largest sound effects library on the planet. MY shower pipes make a banging noise when the water is running, NOT PIPE HAMMER. About three months ago The first problem arose with the pex fittings, About 3:00 in the morning I was awoken by the sound of my well pump running in the crawl space. In a few short weeks, Daily Maverick turns 10. Unbeknownst to the big guy, two other boys — Welby and Cool Breeze — were already on the tower. The heated water is sent up pipes throughout the house by either circulator pumps or zone valves. When your water pressure is in excess of 70psi this knocking (water hammer) noise can occur. Its wings are too small to get its fat litle body off the ground. Unusual sounds can often indicate system failure. Refrigerator vibration noise FIXED. Or, It was just a noise, nothing to be. ,sounds like something sharp tapping in a morse code. As ducts age, the sealing fails and duct connections wiggle loose from the static pressure. If this is the case, you’ll need to have your fan motor replaced. Left untreated, it can cause damage to the piston and cylinder wall. Common Air Conditioner Problems. I said there is probably air at the thermostat. There are 4 reasons why an air conditioner makes a dripping sound: · Water formed by condensation needs to drain away. Water pressure in the pipes is not cushioned by air and this causes the banging noise. Pinging or knocking will reduce the efficiency of your engine and, over a very long period of time, it can cause damage. There is an off and on tapping in the bedroom wall/ceiling. This is energy that is used during the execution of processes, such as movement. The noise first started as one very loud banging sound. Partners In Rhyme has been delivering royalty free music online since 1996. Refer to Clean the Condenser if it has not been cleaned in the last 6 to 12 months. 13 per square foot*. This is the purpose of the vents for the plumbing system. Common Sources of Water Stains. The second you step through the door, your stunning wall water fountain will greet you with a soothing sound and a calming visual display. Whenever it's been awhile (say 45 minutes to an hour) since any cold water has been used, if I flush either of 2 toilets or run any cold water faucet, I hear a dripping sound that is loudest in the wall of the kitchen. The noise may also be a tapping sound. The sound does not continue after the running water stops. However, when the air used in pressurizing those pipes leaks or is depleted, water moves suddenly and violently, creating the knocking sound as it traverses the length of the supply lines. 5 Boiler feed pump: Ring-section model with tapping stage These two types only differ in the construction of their pressure-retaining enclosure, which influences the manufacturing costs and ease of installation. On occasion we also hear the noise when we run our dishwasher. The sound was fuller and there was more awe of the music--it was simply more. But you may also give your water wall a natural look – just make it of rough stones. Free Sound Effect Collection, Relaxing & Background Music, Loops. Sound waves are like light and water waves in other ways too. condo inspection,second floor,and all condos are self sufficient,own water heater and furnace. Click the links below to hear sound clips of normal operation of your washer. In the dark, late that night, I drifted into my driveway in Portland and fell asleep in my own bed, dreaming of vested interests undone, of surprised faces at the Bonneville and John Day and Ice Harbor dams, the turbines motionless, the water running evenly down through a machine gone silent. Shushing noise as water flows through the pipes There are two probably causes for this sort of noise: The small burrs were not removed from inside the copper pipes after being cut using a tube cutter. Test the defrost timer. It’s caused by a sudden change in water pressure in the pipes and can be prevented by installing a water hammer arrester or water expansion tank in the water line near your hot water heater. Worse yet, your old bath fan may not be moving enough air to keep your bathroom free of mold and mildew. There are a few reasons for this, a running tap, a blockage in the Saniflo, a blockage in the Saniflo waste pipe leading outside, the membrane is damaged, the microswitch is stuck on or the pump blade has detached from the motor this would be accompanied by a whirring noise. There are several issues that could be causing a weird garbage disposal noise and the best way to determine is to first categorize the noise itself. Skittering sounds, squeaks, buzzes and other noises coming from your walls and attic may mean there's something living in your house that isn't part of your family. Ticking/dripping noise behind wall? My house is a little over 13 years old. With state of the art technologies and a focus on high efficiency water heating, Westinghouse water heaters pave the way in the heating industry and provide some of the best water heaters. Mate, the sound behind wall is like non stop water running through the wall and the sound gets so flapping loud at night time. Tapping sound is very likely pipe rubbing against the wood inside wall. About three months ago The first problem arose with the pex fittings, About 3:00 in the morning I was awoken by the sound of my well pump running in the crawl space. Just installed a sump pump well my plumber did actually. The water pressure that passes through the loose pipes causes them to bang against the wall, causing that knocking sound you hear. They are built from solid concrete or rock rubble mortared together. com lists 2 methods for returns, but neither one works. Top 10 Most Common Boiler Problems An expensive inconvenience at the best of times, the majority of boiler breakdowns occur during the cold winter months, when boilers – having been inactive for long periods – are forced back into life, essentially putting considerable strain on your central heating system as it works to heat your home. This is the purpose of the vents for the plumbing system. Knocking noise during agitation or spin: Customers may notice a normal washer sound that sounds like a metallic knock, double knock, or metallic clunk. But it is strange that your plumbing is making noises with no water running in the sink and dishwasher, etc off. Protect your plumbing and appliances from hard-water damage and save water and energy. Hello, I recently moved in to a home. We seem to hear it in the walls near our closets. The water pressure that passes through the loose pipes causes them to bang against the wall, causing that knocking sound you hear. As the water drops, the float switch lowers again, turning the switch off. My theory is there are 3 major problems 1) Not quite enough insulation in the attic 2) since the furnace is in the attic (and not in the heating “envelope”) it has to work harder to get the air warm and therefore uses more propane and 3) the hot dawg must run in very cold weather to keep the water pipes (located in an interior wall of the shop) from freezing. I kept it running and added more water. Do not ignore this sound. Likewise, any soot or gunk which builds up, can interfere with the process, causing a clicking noise. The gurgling sound is the water going down the pipe, and then stopping to let air into the pipe. From the normal hum of operation, to strange bumps, thuds, clangs, and booms. But it is strange that your plumbing is making noises with no water running in the sink and dishwasher, etc off. EcoFlow is raising funds for DELTA - The New Standard Of Battery-Powered Generator on Kickstarter! Recharge 0 to 80% Within One Hour. If they like the place, they'll start to make a home, creating a tapping sound in the wall at night while tearing at ductwork and digging into the insulation. Is the sound gone? Turn the water back on and listen closely. The plaster boarded studwork acts as a resonator, and the sound of the water flowing through the pipe is amplified. Once this happens, the pump will run dry and the water that is left in the volute will boil and steam. To sound proof noisy ABS plumbing pipes, locate the wall cavity encasing the noisy pipes. But, interestingly, I noticed more toe tapping with the standard wire. Also, when you go to the bathroom, you here the same sound like running water enveloping the room. Partners In Rhyme has been delivering royalty free music online since 1996. Banging noises from water pipes can be alarming especially if it is the first time for you to hear it. How do vibrations work? All matter is made of small particles called molecules. When your water pressure is too high for the system’s capacity, it can leave your pipes vibrating. This is a rock wool soundproofing insulation designed specifically for use in interior walls. Last night I awoke to a odd scraping noise, I thought it was coming from my skylight as it could have been my cat (he likes to try and get in). Last night around 8:37pm I was on my bed watching Netflix on my iPad with the headphones while the baby was sleeping, with the headphones on I started to hear loud knocking sounds on a wall, I paused the movie and kept hearing, the knocking continued for around 30 seconds. ( hammering) BannedByDemand. 5 ton and is in my backyard. The noise occurs when the flow of moving water is instantaneously stopped by a closing valve. The hammer noise isn't just a nuisance: it's also bad for your pipes. This happens as the cistern fills back up. They are also one of the heaviest creatures you'll get in a wall void. The most common cause of a sump pump system running continuously is when the sump pump float switch is stuck on the "on" position in your sump pit. Add insulation to the entire run of ductwork that is either in your basement or your attic. The material size should be 2-3 times larger than the footprint of the machine to allow for sound coming off the machine that is not directly straight down. Your AC Is Making Squealing Noises. If you are concerned about the noise check the following to determine if normal sound: Refrigerant after a defrost cycle can cause a normal tapping sound. A wheezing sound (stridor) may be clearly audible as well when exhaling. I received 2 hobbling items out of 3 orders from Sound Bar Wall Shelf by DCOR Design. $ Fe(OH)_3 $ C. My tenant has been complaining of an occasional knocking sound coming from the upper half of an interior wall. One possibility for a ticking sound coming from your walls when the water runs is a problem with the water meter. It’s also not uncommon for water to run along rafters or piping before dropping onto your ceiling, obfuscating the true source of the problem. The water from the toilet also splashed up. Protect your plumbing and appliances from hard-water damage and save water and energy. I had a similar 'issue' in my new home after 2. Loud knocking and banging noises happen seemingly randomly, while water isn’t running. Steady or intermittent ticking that sounds like water dripping, clock ticking, fingertip tapping or clicking can occur for several reasons. If you're having trouble catching some shuteye because of distracting and disrupting noises, we feel your pain. Why does my central heating make a banging or knocking noise? Less common now than it was 20 years ago, central heating knocking or banging is still very annoying. If you have a well, check the pressure at the tank. The easiest fix for this kind of knocking is to first turn off your main supply valve. blinds along the shoreline adjacent to the public water every 500 yards and keep. A Shepard tone is sometimes referred to as the barber pole of sound. It sounds like a small stream of water running from a faucet. and have not found a correlation as to when the knocking comes. The noticeable sound of ticking, clicking or knocking is often caused by a metallic tick like something inside the motor is hitting a metal stick against one of the components. If your air conditioner is rattling or making noises such as dripping, splashing or any other water-related noises, here are a few things to consider before calling a technician. People often don't find a water leak in a wall until it's been leaking for a long time. running bath) a loud foghorn noise starts up (we call it the Queen Mary coming in!). This creates noise and vibration, sometimes causing the pipe to bang against the wall (aka the water hammer). The sound could indicate many things — a busted pipe in a wall, under the floor or even in the irrigation system. Dripping sound coming from vent!!!!! Hey guys, just wondering if anybody has any experience regarding the issue I am having. On some occasions (especially when the motor is extremely hot), the pump’s motor is the problem. Shut off the water to the house at the main valve. We have two washrooms on third floor and it's only one of the toilet that's causing this. When installing pipes within stud walls, the pipes should, where possible, be insulated from the framework by mounting the pipe clips on rubber or felt pads - this should stop or reduce. The solution: If you hear running water when you shouldn't, shut the main off and see if the noise goes away, says Richardson. Due to an overwhelming number of questions coming in daily I was forced to shut down this Q&A page. However, the sound usually goes away after the first 20 seconds even if the water is still running. A constantly running toilet is a common problem in many homes, not to mention a major annoyance and a significant waster of fresh water. If the sound is coming from the walls, it could be a. Most water meters are not close enough to an interior wall to make the sound come through, but it is possible in some cases. com shows you the most common cause of what is the ticking noise in my wall after I use my plumbing? Call (800) 724-0601. Pretty much any sound can become a problem for a person with misophonia. Overly high water pressure can occur in any home, but is particularly common in homes that rely on well water. Replace the Diaphragm. However, you should not worry since this situation is manageable when handled properly. These sounds are described as rumbling, bubbling, surging or boiling noises. After a while I noticed the sound of the car changed. In our case it is the whole lot in our house: the hot and cold taps everywhere. Water hammer happens when you turn OFF a water flow suddenly (like a dishwasher, a clothes washer, a toilet or even closing a hand faucet suddenly. Check the water meter, you will likely hear the noise coming from it. If the noise persists, you’ll need to call in a licensed plumber, and if you are in Sydney’s north, then our JEDI Plumbing team is on hand to assist. The sun is beating down against his back, it’s far too hot for Dabi to be comfortable. Running hot water within your pipes prior to applying a deodorizing solution will work to expand the interior of the pipe and loosen much of the debris. The normal operation of your refrigerator will cause some sound. If you are concerned about the noise check the following to determine if normal sound: Refrigerant after a defrost cycle can cause a normal tapping sound. 25 at the Yost Theater in Santa Ana. In the last few months, I have noticed a knocking sound when an upstairs water supply is running (it doesn't happen when downstairs water is running). The noise is the sound of the tire walls being destroyed! Put air in now! Keeping front tire pressures identical for both sides is essential for good braking. No running or chewing noises… but there is a tapping noise in the walls and the sound moves across the ceiling. This is the wall we share with our neighbors. At my place it was a CPVC hot water line running thru a 2 x 4 pipe run support. It shouldn’t be too hard to figure out from what area of the home the water is coming. Refrigerator vibration noise FIXED. hey all wonder if anyone has come across this. Most siding materials are not totally effective at repelling water, particularly wind-driven rain. The sound of water running through a pipe itself isn't too bad, but what about some of those other plumbing sounds—creaks or cracking, rattling, whistling, and the most annoying or scary of them all -- that loud banging noise. Old furnaces rarely made running water or gurgling noises because there was no condensation or liquid involved. 2, My Saniflo Keeps Running And Wont Switch Off. "Water hammer" causes the sounds, and it happens because water flow. In this inspected home, I mentioned that the vents on the roof had no problems. Call the professionals at American Pest and get rid of these noise making animals. Does anyone know what causes this, and what I can do about it? A friend advised bleeding the radiators but it didn't help. In the last few months, I have noticed a knocking sound when an upstairs water supply is running (it doesn't happen when downstairs water is running). But a person with misophonia does not hate all sound. Have you used the sink much since they worked on the plumbing? If the U-trap is empty, then it might conduct water noises from elsewhere in the building. Moisture or droplets of water on the inner base of your fridge freezer are usually associated with a blocked gutter outlet on the rear inner wall; they could also be caused by items touching the back wall of the appliance. I have been reading all the comments to see if anyone hates the sound of liquid coming out of a bottle, like pouring wine, water etc. Check for water running somewhere inside or outside the building. I am 64 and for as long as I can remember I hate any repetitive sounds, clicking, tapping, whistling, any continual sound or movement. The banging noise sounded like two pipes were banging together and always occurred when the water was shut off. Sound systems placed against a neighbour’s wall may require a sound absorbing background made of cork or other noise absorbing material. It is a brick house with a timber frame. It only occurs in the bedroom for the most point; the hot water heater is located on the porch which is right outside of the bedroom. Chasing cables and pipes into walls. The sound could indicate many things — a busted pipe in a wall, under the floor, or even in the irrigation system. There is an off and on tapping in the bedroom wall/ceiling. As ducts age, the sealing fails and duct connections wiggle loose from the static pressure. One of my outside water faucets make a fair amount of noise inside the house. by a stethoscope or a glass. Gas water heater is making loud noise like a running water inside when you open the line. 2- A tap occurs when the wear adjuster for one of the valves has sludge blocking oil to it. There is a point in every horror movie when, almost inevitably, there will be a mysterious noise that someone has to go and investigate, and the whole time you want to yell at the screen,. Since water supply pipes are made of metal, they transmit sound waves. FREE Shipping on all orders in the Contiguous US!. We carry a huge range of brand name items that can be purchased online. A ticking sound could be caused by any number of reasons, such as a low level of oil or loose components. Sound systems placed against a neighbour’s wall may require a sound absorbing background made of cork or other noise absorbing material. Replace the Diaphragm. The sound was coming from in my wardrobe which is a built in wardrobe. If the noise occurs when hot water isn’t being used, there’s a good chance that another source is siphoning water from the line and creating a vacuum. When your furnace makes a squealing or squeaking noise, it is generally a sign that the bearings of the blower motor or the inducer motor are wearing out. help! knocking (thumping) noise when turn on faucet; Author: sukubo (CA) Hello, I had my kitchen faucet replaced about 2 months ago. It is caused by a pressure or shock wave that travels faster than the speed of sound through the pipes, brought on by a sudden stop in the velocity of the water, or a change in the direction. It is a brick house with a timber frame. They are nocturnal animals in the attic, so the noise will be at night. At first I thought it was comin from the top but when i get under it it's alot louder sounds like its comin from the oil pan. Left untreated, it can cause damage to the piston and cylinder wall. Chances are you’re here because your water heater is making some weird noises. Should I keep running my AC? You can continue to run it if you absolutely have to (like in 100-degree heat while you wait for a repairman). Devendra Banhart performed to an appreciative and enthusiastic crowd on Friday, Oct. The water pressure that passes through the loose pipes causes them to bang against the wall, causing that knocking sound you hear. There is a mosaic mural of the. Managers should never force residents to “go upstairs and settle the issue with your neighbour. In mains where the steam and condensate travel in the same direction, there should be a drip line every 150 feet. If the drain is blocked, water can drip off the sides of the unit. Running hot water within your pipes prior to applying a deodorizing solution will work to expand the interior of the pipe and loosen much of the debris. Test the compressor relay. I had a similar 'issue' in my new home after 2. Free Shipping on Orders $35+ or Pickup In-Store and get a Pickup Discount. Water Heater Repairs. With state of the art technologies and a focus on high efficiency water heating, Westinghouse water heaters pave the way in the heating industry and provide some of the best water heaters. We seem to hear it in the walls near our closets. What does a loud, rolling drumming sound coming from behind the wall of the bathroom sink mean? This noise was accompanied by knocking and vibrations. There is a point in every horror movie when, almost inevitably, there will be a mysterious noise that someone has to go and investigate, and the whole time you want to yell at the screen,. Unbeknownst to the big guy, two other boys — Welby and Cool Breeze — were already on the tower. 6" Acoustic Wedge 19. A screeching sound may start coming from the system once the hissing gets worse — and that’s the sign of a much larger problem. As the drywall becomes saturated with water, the paint or wallpaper on the wall may begin to blister or peel. The gurgling sound is the water going down the pipe, and then stopping to let air into the pipe. This will not work with lava. I hear the noise in the room behind the furnace and water heater. Not the electrical. An air chamber is a vertical pipe located in the wall cavity at the point near a faucet or valve where the water-supply pipe exits the wall. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. To help in finding leaks entering into your home, it is suggested that you start with outside controlled water testing starting at the lowest possible point of logical water entry. Plumbers install these pipes in straight lines, 90 degree angles, or slight downward slopes to facilitate easier flow. A loud fan may be good for masking bathroom noise, but the jet engine roar is downright annoying the rest of the time. Comments for A/C and heat unit makes "slamming" noise when stops. $ Cr(OH)_3 $ D. 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 loud, disruptive annoyances in the home. 5 Boiler feed pump: Ring-section model with tapping stage These two types only differ in the construction of their pressure-retaining enclosure, which influences the manufacturing costs and ease of installation. The towns that could run out of water in months, as 'day zero' looms. One student taps two spoons together under the water. A water wall is another water body that is perfect for your garden and has a relaxing sound of falling water. RESONANCE: The rapid banging or "Jack Hammering" sound in a pipe during the fill process, during the flush. Roses are red, baseball uses a bat According to all known laws of aviation, there is no way a bee should be able to fly. This problem only occurs while the water is running, so if the banging noise stops the moment you shut off your water, it’s a good indication that loose pipes are the culprit. by a stethoscope or a glass. The loud, thudding sound that follows is known as a water hammer. If you hear running water when you shouldn’t, “Shut the main off and see if. We're using cookies to. Other things are tapping feet, the sound of walking, anything to do with a chalk board, and any sudden noise. When large volumes of water drain, the pipe will move and bang against the studs within the wall or even the wall itself if there is any space or against joists if run under the floor. Top Reasons Why Your Pipes are Making A Whining Sound. If the knocking sound occurs only when you turn on the hot water, it means that the water heater is set too high. A pipe that's too small to begin with or that has become clogged with scale or mineral deposits can be a big noise problem. If it does, you’ve got a leak somewhere — and a problem in need of fixing. And those sounds are usually unique to each person. Learn what you can do, troubleshoot the issue, and always call a reliable & friendly plumber from Cater's My Plumber for free estimates today. Could it be that it's not a leak in the water supply or drain, but rather the sound of water dripping in the vent. Knocking water pipes occur when irregular water pressure in the main supply line enters the home, according to CarneyPHC. My Car Makes a Noise! Under The Hood. When the water inside a water heater heats up the water will expand and move and force it self into the cold water pipe and cause noise and banging. A couple of months ago the pipes started making a very loud banging/knocking sound after flushing one of the upstairs toilets. I thought it was a mouse at first but as I listened a bit more I could hear plaster from the wall being scraped off slowly but surely. Anything above that and you might experience some knocking noises. Loud knocking and banging noises happen seemingly randomly, while water isn’t running. Steady or intermittent ticking that sounds like water dripping, clock ticking, fingertip tapping or clicking can occur for several reasons. Central heating off, hot water only setting on the. It must be the main drain that all the sinks/showers hook into because it does it weather I'm taking a shower in the upstairs bathroom, or if I'm downstairs running water down the sink, or the. You may hear a ticking, clicking, or tapping noise while the vehicle is idling, accelerating, or even after receiving an oil change. Beads of sweat is clinging to him and the screaming of cicadas in the trees only fuels his headache. The toilet too, after the cistern fills. In our case it is the whole lot in our house: the hot and cold taps everywhere. Essentially, water will enter your house at the cold mains under pressure, i. Soundproofing a exerciser or running machine: Place a layer of Floormat down on the floor where the machine is to be placed. I had the transmission rebuilt thinking it was the flywheel or torque convertor and wasn't the problem but transmission was in bad shape. In residential areas, an acceptable level of noise for one person may be unacceptable to another. This weighs down your cat. Don't use poison, because the effects aren't immediate and mice could have time to retreat into a wall before dying, which would ultimately leave a messy, smelly problem that could be more difficult to remove. Let the unit cool down for about five minutes before resetting any breakers. A quick steady tap may indicate lifters or cam lobe, while a clatter may be loose/worn rocker arms. You will need to scroll down and search the link for the information you need to read or discuss. This project looks at noisy toilet cisterns in particular, and shows you ways to stop the noise of the water hammer. Why are My Pipes Making Loud, Banging Noises? | Pippin Brothers. of the drain pipe is causing the pipe to expand. I n this inspected home, I mentioned that the vents on the roof had no problems. Any suggestions what the noise could be?. The gurgling sound is the water going down the pipe, and then stopping to let air into the pipe. The water inside your pipes has come to a dead stop, and then the water is hitting the wall of the pipes at a high speed, which causes a bang. Water Tank Noises: burbling, gurgling, and other sounds traced to the water tank, even bubbling, creaking, hisses, clicks, bangs, and motor sounds See WATER TANK NOISE DIAGNOSIS; Hissing, Whistling, Whining Noise in Plumbing Systems. Pipes a-piping. A tap is a sound pulse. Check out these common causes of noises in an HVAC system and what you can do about them: Rattling. You hear water running — but nobody is using it. When salts from the masonry substrate come in contact with water, they migrate to the surface of the plaster, appearing as dry bubbles or efflorescence. When this happens the engine stops. Drain the system. Should I keep running my AC? You can continue to run it if you absolutely have to (like in 100-degree heat while you wait for a repairman). This is a water pressure issue and occurs usually when you turn off the water. Water waves travel slower in shallower water. The copper tubes go into the wall on the corner of the house on the 1st floor by the unit, and run all the way up the wall to the attic where it goes into the fan unit that circulates the air around the house.