Although musty smell is always associated with moisture presence, eliminating it in some cases requires total redesigning of the forced air heating system. Miller holds a diploma in social services from Clarke College in Belleville, Ontario. If your air conditioner smells, a dead animal might be the issue. You can usually access the evaporator coil by removing the filter from the back of your portable AC. 2. ... One key factor in maintaining a cooler is to prevent mold and/or a musty smell. The odor may travel up the hose to … Hope you found some new ways you can keep your air conditioner smell free or at least reduce the smell. The solution is a professional cleaning. An air conditioner smells like mildew or mold is probably the most common symptom of central HVAC systems. AC’s that smell like feet are usually ones that are clogged up. There are several factors that may cause your air conditioning system to emit a moldy or musty smell. There are usually two air filters on a portable air conditioner: one for the evaporator and one for the condenser. Use a vacuum to suck out any debris from the surface of the evaporator coil. Air Conditioning and Cooling Systems - New Portable AC unit is making my room smell - Hello, This is my first post on here and I hope I can find some … Air conditioners create water by removing moisture from the air. We have a name for a stale, musty, and sometimes cheesy smell coming from an air conditioner or other HVAC appliance: Dirty Sock Syndrome. Dirty filters also block airflow and reduce your air conditioner's efficiency. The evaporator coils can usually be accessed by removing the top of the unit, or sometimes by removing the entire outer casing. Your air conditioner contains an important component called an evaporator coil, which is the part that actually cools your home’s air.. My window air conditioner smells musty. You can easily forget that these units do require some cleaning and maintenance from time to time in order to function efficiently. But with its constant use, your portable AC can start to emit musty smells as it conditions your home’s air. Air Ducts or Air Vents … We earn from qualifying purchases. HVAC Training Shop is reader-supported. Hunker may earn compensation through affiliate links in this story. When too much of this debris accumulates, an unpleasant odor can develop. This is because air conditioners perform their function by removing moisture from the air, and as this moisture condenses inside the mechanism it provides a perfect growth environment for various types of mold and bacteria. Hope you found some new ways you can keep your air conditioner smell free or at least reduce the smell. Before spraying the coils though, shine a flashlight inside and look for debris, which can also cause mold and mildew growth. Check if the drain hose is connected to the sewer or installed near it. Mold and mildew growth is the most common cause of bad smells in your AC system. However, an unpleasant or musty smell coming from your air conditioner has a direct impact on your mood. The smell associated with this stuff is best described as being sour, moldy, or mildewy. A clogged drain can promote the growth of mildew around the coil and cause your air conditioner to smell musty. Source 3: Leaky air ducts. The evaporator coil on a portable AC is the part that gets cold and cools down your room’s air. Dirty filters can also result in mold and bacteria forming inside your air conditioner's drain, which can result in odors coming from the appliance. The first sign you might have of a mouldy air conditioner is a musty or funky smell when it’s in operation. If your air conditioner’s filter is dirty and clogged, this may result in your AC smelling musty. To solve this problem, you can change the filter and contact a HVAC technician to give your system a tune-up and clean. A portable indoor air conditioner vents through a hose mounted in a window or side wall. The air conditioner started blowing moldy musty air since the beginning of summer. Refrigerant Leak: If you feel the smell coming from your portable air conditioner is like gas, there is a good chance the refrigerant gas of the AC might be leaking. This is a 2 ye... window unit AC smell. This air conditioner smell is the most … Hope you found some new ways you can keep your air conditioner smell free or at least reduce the smell. The condensate drain line helps in removing the condensation generated by the coils. If you start smelling a moldy odor, your air conditioner has most likely started growing fungus. 16/11/2017 > By Deb Aldrick. Sort of a musty smell. By using this site, you accept our use of cookies. In case of a leakage, you might even get visible signs in your indoor ductless unit, such as … This moisture occurs naturally, and is part of the car, but if left for too long it can create mold. Excessive organic buildup inside your air conditioner will cause the smells to become deep-rooted in the parts of the AC. Yet, if you get home and realize that it smells musty, you can only ignore the issue for so long. It is what’s known as ‘dirty sock syndrome’, and it might be the source of your air conditioner’s fragrance problem. What’s making my air conditioning smell? Or, there’s a gas smell coming from the air conditioner. Although this smell may be coming from the air conditioning unit, it is not actually the unit that is the problem. On a hot day, the first thing you do when you return to a warm, stuffy home is switch on the air conditioner to circulate some cool air. The bad odor is not only unpleasant but unhealthy as well. 0 Comment. Smells range from a mild musty odour often related to mildew to a rotten or spoiled food smell that indicates mould or bacteria growth. There are several factors that may cause your air conditioning system to emit a moldy or musty smell. ... Bad musty smell! Your Air Conditioner Smells Like Feet. These filters are cleaned by blowing out with air or rinsing out with water. 1. Filters are easily cleaned or replaced, depending on the air conditioner model. When you turn on your air con, you want to enjoy the comfort of cool fresh air. So how do these things start growing in your air conditioner? A dirty air conditioner can develop foul odors which can lead to inefficiency and potential health problems for you and your family. Dirty sock syndrome is the foul, moldy smelling odor that comes from your air conditioner when you first turn it on. If you’re shopping for a portable air conditioner, a HEPA air purifier – or any kind of cooling product for your home – then you’ve come to the right place. Oftentimes, giving your air conditioner a thorough cleaning will help reduce the musty smells. Why Does My Air Conditioner Smell? It is caused by the build up of mold and bacteria on your evaporator coil. When an air conditioner unit retains water, mold spores find it to be a perfect breeding ground. July 15, 2015. Small Portable ACs. A musty or moldy smell could be likened to smelly feet or dirty socks. Window-mounted units that sit within a window opening. There is a Musty Smell In Air Conditioner. If the source of the bad odor is not external such as pollution, here are the top reasons your air conditioner may smell bad: Mold and Mildew. Conditioners are convenient and, for the fungi that cause unpleasant smells appliance parts stores sell sprays that kill... 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