When your air conditioner starts putting out weird or funky odors, it is a good idea to take notice because it could be a sign of a major problem. Dismissing unpleasant smells coming from your air conditioner could lead to further damage to your air conditioning or even pose a risk to your health and safety.

Depending on what you’re smelling, the root of the problem may be bacteria or fungus in the system. Other times, it could also signal something mechanically wrong with the AC. Some smells are a sign of a hazardous problem, including a natural gas leak.

At Titan Heating & Air Conditioning, we have a nose for these sorts of things. If you smell something odd coming from your cooling system, there’s a good chance our team of talented professionals has smelled it, too—and fixed it! We’ve earned our reputation as the go-to team for air conditioning repair in Central Point.

What does a specific odor coming from your cooling system mean? Here are several common air conditioner smells and what they may mean:

Your AC Smells Like Feet

If your air conditioner smells like feet, it may be caused by a buildup of bacteria or fungus in the unit. When moisture builds inside the unit, it can produce an environment that is conducive to the spread of bacteria and fungus. This can cause a nasty odor that is often described as smelling like dirty feet.

Another possible reason for the stench of dirty feet might be a dirty air filter. When the air filter becomes filled with dirt, dust and other contaminants, it can cause poor air quality and a musty smell that bears a resemblance to feet.

To solve this dilemma, it’s important to have a professional 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 on a regular basis to promote good air quality and prevent the growth of bacteria and fungus.

The Air Conditioning Smells Like Rotten Eggs

If your reeks of rotten eggs, it might be caused by a natural gas leak in the unit or in the surrounding area. Natural gas has a distinctive odor, often described as smelling like rotten eggs or sulfur, which is added to it to make it easily detectable.

A natural gas leak can be 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 AC smells like mildew, it could be due to a buildup of moisture inside the unit. When moisture forms inside a cooling system, it can cultivate the growth of mold and mildew. This can cause a musty stench that resembles mildew.

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

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

The Air Conditioning Smells Like Urine

One of the most distressing scenarios is when the air coming out of your HVAC system smells like urine.

If your air conditioning equipment reeks of urine, it could be due to a variety of factors. One likely cause is a buildup of bacteria or mold in the your HVAC. This can happen in the event that moisture accumulates in the system and creates a moist environment that favorable for bacterial growth. The bacteria can emit a foul odor that is like urine.

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

My Air Conditioner Smells Like Burning Plastic

If your air conditioning system smells like burning plastic, a possible cause could be an electrical issue with the unit. Over time, the electrical components in the air conditioning system can wear out or break, which can make a burning smell that resembles plastic.

Another possible reason for the smell could be a foreign object stuck in the the air conditioner. If something foreign gets caught in the air conditioning system, it can become hot and result in a smell similar to burning plastic.

If you notice something that smells like burning plastic coming from your cooling system, it’s essential to phone a professional right away.

My Air Conditioner Smells Like Gas

If your air conditioner smells like gas, it could be due to a natural gas leak in the unit or in the surrounding area. Natural gas has a distinctive odor, often described as smelling of rotten eggs or sulfur. That’s because an odor is put into natural gas so that it is easily detectable.

As stated before, 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 phone your gas company or emergency services right away.

The Air Conditioning Smells Like Fish

Should your AC smell like fish, this could be a sign of a build-up of bacteria or mold in the unit. Moisture causes an environment that promotes the growth of bacteria and mold. This can cause a disgusting odor that can be described as smelling like fish or, as mentioned earlier, it also can create a smell like dirty feet.

Another potential cause of the smell could be a dead animal or other biological material trapped within the air conditioning system. This often is possible if an animal such as a mouse or bird gets trapped inside the unit and dies.

To solve the issue, it’s often necessary to have a professional inspect and clean your cooling system. They can find the source of the smell and take the proper steps to remove any contaminants and stop the problem from recurring.

My Air Conditioner Smells Like Vinegar

There could be several reasons your air conditioning system smells like vinegar. One possible cause might be a dirty air filter. One other possible cause of the smell could be a refrigerant leak. Sometimes after the refrigerant leaks, it can generate a chemical odor that resembles vinegar.

To fix the issue, it’s beneficial to have a skilled mechanic inspect and clean your air conditioning.  If the odor persists after the cleaning and replacing of the air filter, it’s best to reach back out to a professional to find and repair any persistent issues with your air conditioning. Or, the mechanic can tell you if your air conditioning should be replaced.

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

Your AC Smells Like Chemicals

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

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

If you believe there is a refrigerant leak or an electrical problem, it’s important to turn off your air conditioning system right away and contact a professional to inspect and repair the unit. Refrigerant leaks can be harmful and may require immediate attention to prevent injury or damage to your residence.

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

If your air conditioner reeks and you aren’t able to fix it smoothly on your own, contact the cooling professionals at Titan Heating & Air Conditioning. We have lots of experience working with a wide variety of AC systems. Our crew has fixed a multitude of air conditioning concerns through the years—including weird smells. Call us today for quality AC repair in Central Point!