You may also be able to see the presence of mold around drip pans, air ducts, and within intake vents. The soiling and "stains" around this ceiling supply register for warm air or air conditioned cool air show that the air system is dirty, has inadequate filtration, or is operating unsafely. Use a few layers of cheesecloth and tape the material securely around the vent covers so soot doesn’t escape. Soot can move a long distance from the source before being deposited. posted 2017-Jul-29, 10:39 am AEST ref: whrl.pl/ReXOhw. The black dust may be patchy and difficult to wipe off. Heating appliances that do not have soot around them can be the source of soot in other rooms. I do know that the owner is a cigar smoker. DAN: Itâs coming out of the vent. The fan was running allright with no problems. TOM: Huh. call for black soot in house every were puff back .appaired to be soot through out the house .just started after 10 years of living in house . Black dust from air vents can cause a multitude of health problems like eye irritation, continuous sneezing, throat irritation, and difficulty in breathing. Although this dust might look inconsequential is is a severe threat to your well-being and good health. If the heat exchanger is cracked, itâll need replacing. Win Tools in the Holiday Home Decor Giveaway Sweepstakes! Black "stuff" on heater vents. One of the first signs that black mold is growing in your air vents is a distinct musty, mildew-like smell in specific rooms or even throughout your entire home. Air movement picks up a lot of dust and can deposit it above the vents. It is not moist or moldy, it is a very fine dust that looks like a fluffy dust bunny but when you touch it with your hand or a rag it seems to disintegrate leaving a smudge of black. A puff back sends soot throughout your ducts and can fill your home with oily smoke and black marks that linger for years. Let Embassy Cleaners handle the chore of cleaning up soot from the furnace in your home. Black around supply registers. Black dust around air vents is not a good sign. Any opinions out there? How to Floor Your Attic Without Wrecking Your Roof, Curtain Rods: Hang Them Without Drilling Holes, Episode # 2054: How to End Wall & Ceiling Cracks | Best Snow Blowers | Cutting Electric Bills Down to Size | Your Q&A, Episode #2053: Easy Fixes for Holiday Lights | Simple Fun Weekend-Sized Projects | How to Secure Home Before Holiday Travel, Episode #2052: Keys to a Perfect Paint Project | Easy Fix for Stuck Garbage Disposals | Odor Free Solution for Stink Bugs, Episode #2051: EVP Floors | Safer Cleaners | Updating a Mattress | Cleaning Fireplace Screens | Your Q & A, Episode #2050: Easy Leaf Composting | Roof Repair or Replace | Dirty Dish Do-overs | Your Q & A. I've been having some ac issues and it looks like ⦠Our apartment doesn't have any filters for the air. All furnaces vary in terms of design and manufacture so do not attempt to take apart your furnace unless you have the user's manual handy. Black residue around water heater roof vent. A cracked heat exchanger means that not only is your furnace spreading soot around your home but poisonous exhaust fumes, too. Streaking often occurs when the turbulent conditioned air interacts with the dust, dirt, or pet dander that is present in the ⦠See more ideas about heat vents, floor vents, heat registers. Mark A. Custis Member Posts: 247. Black Dust Around Air Vents If you notice black dust around your air vents, this could be a sign of black mold growing within. 0. What would cause this dirt? Where should they go? When an oil or gas furnace is operating properly, there is little to no soot generated as the fuel is burned to create the heat you need to warm your home. It is not soot from a candle either. There are black stains around the ac vents in the ceiling. This extra oil or gas explodes the next time the furnace starts up, creating an explosion that can damage your furnace or even the entire home. The attic was clean what I could see of it. Black soot can build up inside the combustion chamber of a furnace due to a lack of routine maintenance, but this soot shouldn’t end up in the ducts or coming out of your vents unless there’s a serious problem like a puff back. Sometimes the dust and debris originates from your ductwork and heating vents. If you have had recent work done on your heating and air conditioning system or if you have had renovations or construction in or near your home, you may experience large amounts of dust and possibly some insulation blowing around your home. Hi all, I have a problems with soot ⦠Finally, you can also cover the vents to stop the movement of soot as the ducts and furnace are cleaned and repaired. Only BLUE flames should ever touch a log. The underlying cause is often blamed on the HVAC systemâs air filtration and is never considered again. Letting soot build up inside ⦠One is fine, the other (over time of 2 months) has a black sooty residue collecting where the air blows out. I couldânt get all the way in due to a closet organizer. Gtomike06 New Member. 4) Your furnaceâs heat exchanger may be cracked, which is whatâs allowing the soot to escape into your homeâs air vents. You can see the same principle at work when you drink an icy beverage, and water beads up on the outside of the glass. Participant reference: whrl.pl/ReXOhw. Deposition of the particles is most affected by surface electric charge, temperature, and moisture content. The soot at first is lightweight; it falls into the burner area and/or gets blown around in the fireplace and into the room to be recycled back through the burner resulting in burning soot, which makes the burner burn less and less completely. And itâs all over the outside of my building. In this scenario, no solutions are truly offered, and the streaking often continues. I have a Dometic 6 gal water heater on my 2019 Grand design Imagine that we used over the Christmas holidays. Mold in air ducts most commonly occurs when there is moisture inside the ductwork. Contractor number one said a gas valve is running rich. There a few sources that can be responsible for dirt streaking around AC vents but the most common source is actually the room where the streaking is occurring. Common Causes of Black Mold in Air Vents. Greetings everyone, My wife and I moved into a home new to us because we're about to have our first child (any day now.) Seeing debris, soot or rust flakes in the flue vent connector or on the horizontal surfaces near the furnace is a sign that it needs any of the following: cleaning and servicing, a replacement heat exchanger, or burner adjustment. So, this is coming â you say, itâs â is it coming out of the vent for the â through the wall heater? stevo07. Most of the time, dirt accumulates on ceilings because air is leaking in from the attic between the drywall and the supply register. I was just in a home with an oil fired hot air furnace. Give us a call or schedule online and weâll quickly send over one of our trusted techs to fix whatever is ⦠posted 2017-Jul-29, 10:39 am AEST O.P. Dirt streaking on supply vents is a common problem HVAC professionals encounter on a daily basis. February 2003 in THE MAIN WALL. The paraffin and scented oils used in these products produce a surprising amount of soot when the candle burns. But what to do, if you want to get rid of them without specialized products like a magic eraser or cleaning detergents? Finding black mold on your A/C vents isnât a reflection of your housekeeping habits. Cleaning up soot from the furnace requires an understanding of what caused the problem and how to handle the potentially hazardous materials released by your furnace. At the very least, you’ll hear a loud noise and notice a fine dust that settles on furniture and surfaces near your air vents. There is a problem, however, if the soot quickly reappears ⦠Often damp with condensation and supplied with continuous airflow circulating airborne microorganisms, air conditioner components offer the perfect environment for black mold growth, as well as common mildew.Since dormant spores that spawn mold are in continuous circulation through your ductwork, ⦠Need an air conditioning repair right away? How to Fix a Furnace That Is Blowing Black Soot By Richard Corrigan A small amount of soot is normal for many furnaces. This small and inconsequential looking enemy is a threat to your good health and well-being. If the duct liner is the source of the black dust, it should be replaced right away, as the particles could be dangerous if inhaled. February 2003. Jamie_6 Member Posts: 710. A puff back is a serious problem that you should treat as an emergency. I had all my galvanized pipe replaced earlier this year by a local plumbing company along with my hot water heater. Basement Waterproofing Tips | How to Fix a Wet Basement. When moisture is present, mold can ⦠Powered by BizBudding Inc. What to Do After A Fire: Smoke Damage Cleanup Tips, Why Upholstery Cleaning is Important: How to Deep Clean Your Home, Don’t Let Wrinkles Ruin Your Day: Why Hand Ironing Matters. I checked the supply duct work for CO and found none. Joined: Feb 16, 2011 Occupation: Lineman Location: Old river-Winfree, TX . When we broke camp while doing my prelaunch walk around, I noticed black soot all over the exhaust vent on the water heater and soot on ⦠How to Make Natural Wood Stain Using Coffee, Berries & More! When these particles build up enough over time, you'll start to see them as the "black stuff" that is on your ceiling or around your supply register. Thanks, Jamie . As cool air flows through the vents on hot days, the moisture in the air can condense inside the air vent. Thatâs not good. This unit has the vents in the ceiling. I didnt take a close up, but you can see the black around the vent. I have recently been having contractors give me estimates on new furnaces, and during the process I have asked each contracor(2 so far)what is causing the "soot like stains" on my walls just above the vents. A technician can tell you if the problem is the duct liner. Deteriorating duct liners produce black particles, which blow from the vents and collect on walls or the ground. I ⦠I have found out a great way to clean walls and ceiling after a grease fire. Black marks, stains or soot deposits on walls or a ceiling are common issues. YOU SHOULD NEVER SEE SOOT on a ventless gas log set or ventless gas heater or elsewhere in your home. No matter the cause or severity of your furnace soot problem, you shouldn’t try to clean the residue yourself. It occurs when excess fuel builds up in the combustion chamber of a furnace. The particles vary in size, density and electrostatic charge. Tip. last updated â posted 2017-Jul-29, 3:09 pm AEST posted 2017-Jul-29, 3:09 pm AEST User #374735 21 posts. Comments. The most common cause of soot accumulation in the home, aside from an open fireplace, remains scented wax candles, according to expert home inspector Jim Rooney. This is an upstairs bathroom. The air that enters the room from the supply vent comes in at such a high velocity that it creates turbulence in the air. Will filters help? Soot inside the furnace should still be removed every year or twice a year if there’s more than half an inch of material accumulating per year. Sooty oil fired heating equipment: this article explains the significance of soot on, around, or inside oil fired heating boilers, furnaces, and water heaters. Itâs a wall mount heater. Soot stains around heating ducts and down lights . You may also smell a strong burnt odor, see smoke coming from the vents, and notice fine or large black splatters on your walls and vent covers. Black dust surrounding air vents is a bad sign. There was also what appeared to be soot at the ridge vent above the two upstairs bathrooms. It is soot not mold. If there is no soot found in or around ⦠A little oil burner soot (no more than 1/8 inch) after the appliance receives maintenance services is normal. Archive View Return to standard view. If youâve noticed black stuff coming out of your AC vents, itâs most likely either: Soot from candles or your fireplace (the most likely culprit) Mold spores; Dark dust or dirty insulation; Letâs go into more detail about each of these problems and how you can fix them. It’s not safe to expose yourself to the particulate, and it requires special treatment to come off of the various surfaces in your home without any damage to the materials. A puff back leaves plenty of residues to clog up even a new filter, so it’s a small investment to swap out the filter for a new one while you’re waiting for repairs. Soot blown around the house by a malfunctioning furnace must be treated professionally. DAN: I have black soot coming out of my heater through the vent, through the wall. Discussion in 'Water Heater Forum, Tanks' started by Gtomike06, Aug 1, 2016. Unfortunately, it only takes one leaky or clogged burner to create a dangerous situation leading to an explosion known as a puff back. This prevents debris from being blown around the ducts and vents the first time you start the heating system up again. Black sooty stains on other walls in the room are much less noticeable; Dirt, Debris, Stains around Heating or Air Conditioning Air Registers. Black soot can build up inside the combustion chamber of a furnace due to a lack of routine maintenance, but this soot shouldnât end up in the ducts or coming out of your vents unless thereâs a serious problem like a puff back. We've noticed around the vents, the closer you get to the furnace, the more "stuff" is on the ceiling around them. The oily residue must be neutralized and carefully scrubbed or wiped away to prevent damage to the drywall, carpeting, upholstery, and other surfaces the soot settles on. The soot seems to be in the air because if I close the bedroom door closest to the heating unit, the black soot gets on the carpet ⦠Although rich fuel produces less heat, and more soot, its flames also have a yellow or orange color more evocative of a wood fire. One cleaning chore you can handle yourself after a puff back is the changing of the air filter. Around all of the supply registers I found a black dirt. By contrast, when the air-fuel ratio falls within acceptable limits, the resulting flame will have a blue color. Number two said a crack in the heat exchange. There may be an issue with the unit's burner, heat exchanger, fan limit switch, barometric damper or another component. We explain how much oil burner soot is normal and when soot production is a problem. Letting soot build up inside the combustion chamber lowers the heating efficiency, raises your energy bills and increases the fire risk inside the chamber. Black dust coming from your air vents may cause many different health problems, including difficulties with breathing, throat irritation, continuous sneezing, and eye irritation. Soot inside the furnace should still be removed every year or twice a year if thereâs more than half an inch of material accumulating per year. Does anyone have any experience with a black dust that collects near vents and return ducts? We have two AC/heating systems. 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