This can mean that mildew or fungus has taken hold and is growing in, or somewhere near, the air conditioner. Sometimes a musty odor is the result of bacteria growing on the coils of your. I thought it was water in the bottom of the unit not getting out, so I drilled a small hole in the back so the water will drain, and sprayed Lysol inside of it, washed the filtter and it still smells. The only reason you’d ever smell natural gas coming from your vents is because of a natural gas leak. Another thing that works wonderfully and you can use it after the OUT! Then cut, remove; then replace the duct work. This stuff takes out all kinds of smells. stuff works. Solution: You need to have an HVAC technician find where the mold build-up is, and have it cleaned up properly. They can be unpleasant, annoying, or barely noticeable. Ductwork is warm and damp – the perfect home for mold. In cooler temperatures it may be around the air handler (it’s warm there) and then you need to clear them out. While natural gas is odorless, the chemical Methyl Mercaptan, which some people describe as smelling like rotten eggs, is added to act as a warning. Summer also means humidity, and mold is one of the most common reasons why your air vent smells musty. I am sorry this has happened. Must, Mildew, and Mold; If there is excess humidity or moisture in the HVAC system, you could end up with mold and mildew flowing through the ductwork. Since natural gas is extremely flammable, ignoring this bad smell is exceedingly dangerous. There are vermin in your air ducts. It will only temp mask the smells. Solution: Turn off your gas immediately, open windows, and call an HVAC professional to come out and inspect your equipment. Mice urinate and defecate frequently in their lairs, and this smell comes out of your vents when the air conditioner or furnace turns on. Solution: Talk to a HVAC provider to see if your unit is too large and go over your options for a high efficiency replacement. Try it, I am most sure it will work after a couple times. I know this because one day I began smelling urine. The air filter may be dirty and clogged which restricts air flow and causes the electric resistance heaters to overheat, or it may be a problem with the wiring within the motor. A smell like mildew or mold is probably the most common ailment of HVAC systems. An annual maintenance contract often catches small problems before they become big ones. But, technically, you’re not noticing the fungus itself. Along with cooling, one of the functions of an air conditioner is to remove excess moisture. There is an insulation-type material in the duct work that the urine has soaked into. What are Those Strange Smells Coming from My Air Vents? Allow all these ingredients to sit for two to three hours. How do I get rid of cat pee in my car vent? We finally got the heating and air people to come out. Sometimes when you turn on your furnace for the first time of the season you’ll get a slight odor like a hot iron or something scorched. A lot of people say fungus in the AC system kinda smells like urine and auto mechanics recommend you make sure to shut the ac OFF and let the fan run for a few munites before you shut it down to dry off the evaporator coil. But this morning, as soon as I turned on the car I was blasted with this strong piss smell coming from the vents! Mice in particular urinate and defecate frequently. There are a few reasons you might be experiencing this. It sounds like it is "Oh-dough-ban". The Homeowner’s Guide To The 7 Causes of Bad AC Smells. If your unit is too big, it cycles too quickly and doesn’t run long enough to dehumidify the air. If you smell something that reminds you of fingernail polish remover, you could have a refrigerant leak. After this amount of time smell the area again and repeat with more baking soda and hydrogen peroxide plus detergent mixture if necessary. When the AC is running, there is a lot of condensation within the unit. I only encountered horrible fumes from the car vent because the filter was old and when we changed it that fixed the problem. A smell like mold or mildew is a common one, but if you’ve been noticing a musty or moldy odor from your vents, it can be difficult to pin down the source. Well first I tried vingar. Ask a QuestionHere are the questions asked by community members. Keeping the air in your vents smelling clean and fresh is usually just a matter of keeping your air filters changed regularly. Spray it down the air vent until half the bottle is empty. There is a broken fan in your furnace. Air from vents smell like urine with outside air on..goes away with recycle air is on...replaced cabin filter some - Answered by a verified Chevy Mechanic. Not sure about that but I would not recommend touching the engine unless you have someone steam clean it. Did this happen inside your car or was this from a cat under your car/hood? Air Specialist Heating & Air Conditioning Co., Inc. Running the air conditioner a lot can cause condensation within the unit. My car has 150000 miles. 5 – Avoid Vinegar. In fact, it’s a good idea to leave the area until you have the problem addressed. Bigger is not always better because your air conditioner doesn’t just cool the air, it dehumidifies it as well. Vacuum the carpet and spray with vinegar solution (1 part vinegar to 3 parts water) and mop up or stem clean with same solution. We Are Strategically Locatedin Pearland, TX, We Have the Expertise to Service All Your HVAC Equipment, We Are a BBB Accredited South Texas HVAC Business. They will need to be cleaned or replaced. How do you remove urine smell from a air vent? Duct tape the air vents or find other ways to cover it up to prevent the air from coming through the vents. I would recommend you taking your car to one of the auto parts chain stores (Auto Zone, Advance, NAPA) and let them take a look. Instead, you’re smelling the mycotoxins, or byproducts, it creates. I've gotten tons of mail from people here on ThriftyFun that can't believe they actually got rid of nasty pet odors, one letter was from someone who "had a problem with ferret urine around a window for years". The wire brush helps scrape the urine stain off the metal surface and get the detergent solution into the stain. You may have to do this twice. If you’re noticing your air conditioner smells bad like sewage, it could be a sign of issues in other aspects of the home. Solution: The easy remedy is a routine maintenance call and/or tune-up. No matter how clean you keep your air ducts , spores will begin to grow once the temperature reaches above 65 degrees Fahrenheit in … Occasionally, you may notice there are odors that come in with the air flow. Then I tried baking soda, it didn't seem to work at first but a couple of days latter the smell was gone. Be sure you install the filter with the proper side facing outward. But, I would also buy the air freshener in the vent after airing it out with the products. With the power off you can check your air filters, and if they’re fine and you suspect a problem with the wiring, contact an HVAC professional right away. Finding Roof Repair Assistance for Seniors. So a strong urine smell coming from your register vents is a sign that you have live creatures in your system. You may have to cover the vents to prevent the smell from lingering around your apartment. You should not attempt to repair an electrical problem yourself. When you turn on your air conditioner for the first time, you expect to be greeted by nice, cool air. Solution: Contact an HVAC technician to inspect your system, find the leak, repair it, and replenish the refrigerant. However, it doesn't work in the heater vent. Mice in particular nest in and around equipment and ductwork, and where they nest, they urinate and defecate. Though the most common reason is dust in the duct work, there are several other reasons why you might notice a burning smell when your heat comes on. The probable source of urine odor in your stove-top is mice. M son decided to start using the air vent in his room as a urinal. Thanks . While well installed vapor barriers do well to keep moisture out of the crawl space we find many barrier installations that fall way short of optimal installations. So I don't have to tell you what his room smells like 2 … If you smell urine coming through your vents, you likely have a pest infestation of some kind. How do you remove urine smell from a air vent? This is sometimes a problem in older and/or improperly maintained systems. A leak or crack in plumbing could lead to a sewage scent if those cracked pipes are close to your A/C ductwork. Read on to see the answers provided by the ThriftyFun community or ask a new question. You have to keep it wet for the enzymes to work. Learn to tell the difference and take the appropriate step to eliminate the odor. The reason that the smell seems to be coming from the HVAC system is usually that the odor is being drawn in through the intake vent, then dispersed through the home, although it is possible that the electrical issue is occurring inside the heater or air conditioner itself. Solution: Open the windows every now and again and let the fresh air outside circulate through your house. As long as this doesn’t linger too long, you don’t have to worry. 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