Why does my window AC unit smell bad?

If you smell a moldy odor, chances are that mildew or fungus have begun to grow in or near your air conditioner. When that moisture is unable to drain properly, mold grows easily in areas with remaining moisture. Additionally, dirty filters can give off the scent of mildew.

Fill a spray bottle approximately ¼ full of bleach and fill the rest with water. Spray directly into the area where the cool air blows out of the air conditioner. Saturate this area. Be sure to get plenty of the solution into the blower fan while turning it slowly.

Secondly, why does my window AC smell sour? An air conditioner with a sour smell is likely suffering from an issue involving its condensation removal system. Condensation is a byproduct of the cooling method inside the air conditioner and, drained improperly, can create the conditions necessary for foul-smelling bacteria and mold to grow inside your system.

Similarly, it is asked, why does my window unit smell bad?

Dirty sock syndrome is the foul, moldy smelling odor that comes from your air conditioner when you first turn it on. It is caused by the build up of mold and bacteria on your evaporator coil. This heat mixed with dust and moisture in the darkness of your AC unit is the perfect recipe for dirty sock syndrome.

What does it mean when your air conditioner smells?

Two of the more common AC smells (and their causes) include: A musty or “dirty sock” smell, which is usually caused by mold, mildew and bacteria buildup inside the system. A rotten egg smell, which usually means you have a pest problem or a dead animal in your AC system.

Is mold in window air conditioner dangerous?

A: Mold does have a tendency to grow inside air conditioners that sit unused for a while. While odds are the mold in your AC unit is not the scary black mold (Stachybotrys chartarum) that you’ve heard about, inhaling mold spores of any type can result in respiratory disorders.

How do you deodorize an air conditioner?

How to Deodorize an Air Conditioner Take out the filter from the front grille. Take out the front grille by opening two clips at the bottom of the grille. Wipe down the front fins of the evaporator with your long-handle brush. Wipe off dust and buildup from the inside of the air conditioner with a barely damp rag.

How do I stop my air cooler from smelling?

Clean the Water Tank. Step1 : Remove panels and cooling pads. Step2: Drain water out of the air cooler. Step3: Brush out the inside of the cooler. Step 4: Soak the water tank with vinegar. Step 5: Scrub the water tank. Clean the Cooling Pad. Step 1: Submerge the pads with lemon juice or Vinegar.

What is the smell coming from my air conditioner?

Dirty sock syndrome is the foul, moldy smelling odor that comes from your air conditioner when you first turn it on. It is caused by the build up of mold and bacteria on your evaporator coil. This heat mixed with dust and moisture in the darkness of your AC unit is the perfect recipe for dirty sock syndrome.

Can mold grow in window air conditioner?

Every time it is turned on, small invisible spores of mold constantly fill the air. That is why Cleaning Your Window AC Unit, Avoid Mold and Mildew are important. Mold grows and spreads fast and easy and before you are aware of its presence, you can have mold spreading and growing throughout the area.

How do I keep mold out of my window air conditioner?

5 Tips for Preventing Window Air Conditioner Mold Keep the Moisture Under Control. The best thing you can do to prevent the appearance of mold is to buy an air conditioner with humidity control. Never Stop the Air Conditioner. Perform Regular Maintenance. Conduct Deeper Maintenance When Needed. Dust Is an Enemy.

Can you hose down a window air conditioner?

Use a hose to rinse the case, coils, and tray. Set your hose on low pressure, as high pressure could damage the coils or aluminum fins. Spray down the exterior panel, casing, and window fins. Then hose down the coils, fan, and aluminum fins. Avoid getting the control panel wet when you hose down the unit.

Can dirty sock syndrome make you sick?

While Dirty Sock Syndrome is a nuisance, it’s not typically dangerous. Most of the mildew and bacteria that accumulates is not detrimental to your health unless you have a compromised immune system, asthma, or allergies. That’s the good news.

Why does my window air conditioner smell like pee?

A urine or ammonia smell If you smell urine coming from your air conditioner, it’s probably not because someone relieved themselves where they shouldn’t have. Instead, the problem is probably mold. These can be more toxic than some strains of mold, so it’s important to have your system checked out immediately.

What is dirty sock syndrome?

From information gathered over many years, most professionals agree the “Dirty Sock Syndrome” is caused by bacteria that collects and grows on the indoor coils of heat pumps and air conditioners. The problem is similar to an odor that is blown out of a car air conditioner when the AC has not been used for a while.

How do you clean a window air conditioner?

3 Tips for Taking Care of Window Air Conditioner Units Wash the filter. The main thing to do to upkeep your window unit is to make sure you wash the filter screen on a regular basis. Clean the coils. You’ll find evaporator coils underneath the filter. Straighten fins. Use a fin comb to straighten any bent coil fins.

Why does the air smell like poop?

But the odor wafting through the air wasn’t caused by our furry friends. It came from our farming friends. This is the time of year when farmers fertilize fields, usually with anhydrous ammonia or plain old manure. And fall’s variable temps can unleash the beastly smells.

How do you clean a window air conditioner without removing it?

Dip the towel inside the detergent or soap solution then clean the filter or run the filter through running water. You can also use hot water to clean the filters, and the front panel. In case the filter is caked with grime or dirt consider using a vacuum hose to remove the dirt cover.

How do you clean mold out of air conditioner coils?

Tips on How to Clean Mold & Mildew From HVAC Coils Make sure you clean coils at least once a year, twice if you are also using your HVAC system for heating. If possible, vacuum the coils gently or use a soft brush. Wet clean the coils with an alkaline coil cleaner and pressurized water.