When your air conditioner starts putting out strange or funky smells, it is necessary to take notice because it could be a sign of a significant problem. Dismissing unpleasant smells coming from your air conditioning may lead to additional damage to your air conditioning or even pose a risk to your health and safety.

Depending on the smell, the cause may be bacteria or fungus in the system. On the other hand, it could also signal something mechanically wrong with the air conditioner. Some smells are a sign of a hazardous situation, including a natural gas leak.

At Titan Heating & Air Conditioning, we are skilled at diagnosing and fixing these type of problems. If you smell something peculiar coming from your AC, chances are our team of skilled professionals has smelled it, too—and fixed it! We’ve earned a reputation as the first call for air conditioning repair in Central Point.

What does a specific odor coming coming from your cooling system mean? Here are some frequent air conditioner odors and what they might mean:

My Air Conditioner Smells Like Feet

If your air conditioner smells like feet, it can be because of a buildup of bacteria or fungus in the unit. When moisture accumulates inside the unit, it can produce an environment that is conducive to the growth of bacteria and fungus. This can cause a bad odor that is often described as smelling like feet.

Another potential explanation for an odor of stinky feet could be a dirty air filter. When the air filter becomes choked with dirt, dust and other contaminants, it can lead to low air quality and a musty smell that it similar to the smell of feet.

To solve this problem, it’s important to have a quality service tech inspect and clean your air conditioning system, including the evaporator coil, drain pan and condensate drain line. It’s also important to change the air filter routinely to promote good air quality and restrict the development of bacteria and fungus.

My Air Conditioner Smells Like Rotten Eggs

If your smells like rotten eggs, it may be because of a natural gas leak in the unit or in the surrounding area. Natural gas has a distinct odor, often described as smelling like rotten eggs or sulfur, which is added to it to make it easily detectable.

A natural gas leak is extremely dangerous and requires immediate attention. If you suspect a gas leak, turn off your air conditioning system, immediately open windows and doors to ventilate the area, evacuate the building and call your gas company or emergency services right away.

My Air Conditioner Smells Like Mildew

If your cooling system smells like mildew, it could be due to a buildup of moisture inside the unit. When moisture accumulates inside the air conditioning system, it can cultivate the growth of mold and mildew. This can cause a musty smell that bears a resemblance to mildew.

Another possible cause of the smell might be a soiled air filter. When the air filter becomes clogged, it can cause poor air quality and a musty smell that has a resemblance to mildew.

Annual air conditioning maintenance from Titan Heating & Air Conditioning can help prevent both of these issues, because a good cleaning, inspection and filter change is a terrific way to keep your system working at its best!

My Air Conditioner Smells Like Urine

One of the most undesirable things is when your AC smells like urine.

If your air conditioning reeks of urine, it could could be caused by multiple factors. One potential cause is a collection of bacteria or mold in the air conditioning system. This can happen if moisture accumulates in the system and creates a wet environment that can promote bacterial growth. The bacteria can emit a foul odor that resembles urine.

Another possible cause of the smell could be a clogged drain line. The condensation that forms inside the air conditioning unit needs to drain away effectively, but if the drain line becomes choked with debris, it can cause water to back up and collect inside the unit. This can create a musty smell that is sometimes described as smelling of urine.

My Air Conditioner Smells Like Burning Plastic

If your AC smells like burning plastic, it might be because of an electrical concern with the unit. Over time, the electrical components in the air conditioning system can wear out or malfunction, which can make a burning smell that resembles plastic.

Another possible root cause of the smell could be a foreign object stuck in the unit. If something foreign gets stuck in the air conditioning system, it can heat up and cause a smell like burning plastic.

If you notice something that smells like burning plastic coming from your air conditioner, it’s essential to contact a professional right away.

My Air Conditioner Smells Like Gas

If your AC smells like gas, it could be due to a natural gas leak in the unit or in another part of your home. Natural gas has a recognizable smell, often described as smelling similar to rotten eggs or sulfur. That’s because a smell is incorporated into natural gas so that it is easily detectable.

As we said earlier, a natural gas leak can be VERY dangerous and requires immediate attention. Should you suspect a gas leak, turn off your air conditioning system, open windows and doors to air out the home, evacuate the building and call your gas company or emergency services as soon as possible.

Why My Air Conditioner Smells Like Fish

When your air conditioner smell like fish, this could be a sign of a build-up of bacteria or mold in the unit. Moisture causes an environment that fosters the growth of bacteria and mold. This can cause a strong odor that is often described as smelling like fish or, as mentioned earlier, it also can result in a smell like dirty feet.

Another plausible explanation for the smell could be a dead animal or other biological material stuck inside the air conditioning system. This often can take place if an animal such as a mouse or bird becomes trapped inside the unit and dies.

To fix the issue, it’s important to have a professional examine and clean your HVAC system. They should be able to identify the source of the smell and take the correct steps to remove any contaminants and keep the problem from recurring.

Why My Air Conditioner Smells Like Vinegar

There could be numerous reasons your AC smells like vinegar. One possible cause might be a clogged air filter. Another likely cause of the smell could be a refrigerant leak. When the refrigerant leaks, it can make a chemical odor that resembles vinegar.

To fix the issue, it’s essential to have a skilled tech inspect and clean your air conditioning.  If the odor persists after the cleaning and changing of the air filter, it’s best to reach back out to a professional to diagnose and repair any underlying issues with your air conditioning. Or, the tech can tell you if your air conditioning needs to be replaced.

If you are wanting to upgrade, Titan Heating & Air Conditioning can help locate the ideal unit to fit your home’s needs. We deliver dependable, skilled air conditioner installation in Central Point.

My Air Conditioner Smells Like Chemicals

If the smell of chemicals is coming from your air conditioner, it could be caused by a refrigerant leak. When the refrigerant leaks, it can create a chemical scent that people sometimes describe as smelling like chemicals or paint thinner, vinegar or acetone.

An additional possible source of the smell could be a problem with the electrical wiring or parts inside the air conditioning system. This can result in a burning smell that resembles chemicals or burning plastic.

If you suspect a refrigerant leak or an electrical problem, it’s important to shut down your air conditioning system immediately and contact a professional to inspect and repair the unit. Refrigerant leaks can be dangerous and may require immediate attention to avoid injury or damage to your residence.

A Nasty Odor Coming from the Air Conditioning? Contact the Experts at Titan Heating & Air Conditioning

If your air conditioner smells nasty and you aren’t able to fix it simply on your own, call the cooling specialists at Titan Heating & Air Conditioning. We have years of experience working with a wide variety of AC systems. Our crew has fixed countless air conditioning troubles over the years—including weird smells. Call us today for quality AC repair in Central Point!