When your air conditioner starts spewing unusual or funky smells, it is important to take notice because it could be a sign of a significant problem. Disregarding unpleasant smells coming from your air conditioner may lead to serious damage to your AC or even pose a risk to your health and safety.
Depending on the cause of the odor, the cause might be bacteria or fungus in the system. Other times, it could also sign something mechanically wrong with the air conditioning system. Some smells are a warning of an unsafe problem, including a natural gas leak.
At Redhawk Heating & Air Conditioning, we are skilled at diagnosing and fixing these type of problems. If you smell something weird coming from your air conditioner, chances are our team of talented pros has smelled it, too—and fixed it! We’ve earned our reputation as the premier company for air conditioning repair in Odessa.
What does a certain smell coming coming from your air conditioning mean? Here are some common air conditioner odors and what they could mean:
The Air Conditioning Smells Like Feet
If your air conditioner smells like feet, it could be because of a buildup of bacteria or fungus inside of it. 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 stinky feet.
Another possible cause of the smell might be a dirty air filter. If an air filter becomes clogged with dirt, dust and other contaminants, it can cause low air quality and a musty smell that resembles feet.
To fix this problem, it’s important to have an experienced specialist inspect and clean your air conditioning system, including the evaporator coil, drain pan and condensate drain line. It’s also important to replace the air filter routinely to provide good air quality and prevent the growth of bacteria and fungus.
My Air Conditioner Smells Like Rotten Eggs
If your air conditioning equipment 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 because of a substance added to it to make it easily detectable.
A natural gas leak is extraordinarily 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, get everyone out of the building and call your gas company or emergency services right away.
The Air Conditioning Smells Like Mildew
If your cooling system smells like mildew, it may be due to a accumulation of moisture inside the unit. When moisture collects inside a cooling system, it can cultivate the growth of mold and mildew. This can cause a musty odor that resembles mildew.
Another possible explanation for the smell may be a clogged air filter. When the air filter becomes clogged, it can lead to poor air quality and a musty smell that has a resemblance to mildew.
Regular air conditioning maintenance from Redhawk Heating & Air Conditioning can help prevent both of these situations, because a good cleaning, inspection and filter change is a great way to keep your system operating at its best!
My Air Conditioner Smells Like Urine
One of the most undesirable situations is when the air coming out of your HVAC system smells like urine.
If your air conditioner smells like urine, it could could be caused by multiple factors. One potential cause is a buildup of bacteria or mold in the air conditioning system. This can happen when moisture accumulates in the system and creates a moist environment that favorable for bacterial growth. The bacteria can produce a foul odor that it similar to urine.
Another possible cause of the scent of urine could be a blocked drain line. The condensation that forms inside the air conditioning unit needs to drain away effectively, but if the drain line becomes filled with debris, it can cause water to back up and accumulate inside the unit. This can create a musty smell that can stink like urine.
My Air Conditioner Smells Like Burning Plastic
If your air conditioner smells like burning plastic, it might be because of an electrical issue with the unit. After a while, the electrical elements 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 caught in the air conditioning system, it can heat up and result in a smell similar to burning plastic.
If you notice something that smells like burning plastic coming from your air conditioner, it’s worthwhile to call a professional right away.
My Air Conditioner Smells Like Gas
If your AC smells like gas, there could be a natural gas leak in the unit or in another part of your home. Natural gas has a distinctive odor, often described as smelling of rotten eggs or sulfur. That’s because a smell is added to natural gas so that it is easily detectable.
As mentioned previously, a natural gas leak can be VERY hazardous and needs immediate attention. If you suspect a gas leak, turn off your air conditioning system, open windows and doors to air out the home, get everyone out of the building and contact your gas company or emergency services straight away.
Why My Air Conditioner Smells Like Fish
When your air conditioner smell like fish, it could be due to a build-up of bacteria or mold in the unit. Moisture produces an environment that fosters the growth of bacteria and mold. This can cause a foul odor that is often described as smelling like fish or, as mentioned earlier, it also can cause a smell like dirty feet.
Another potential cause of the smell could be a dead animal or other biological material stuck within the air conditioning system. This often can happen if an animal such as a mouse or bird gets trapped inside the unit and dies.
To solve the issue, it’s worthwhile to have a professional check out and clean your air conditioning system. They can determine the source of the smell and take the proper steps to remove any contaminants and prevent the problem from recurring.
Your AC Smells Like Vinegar
There could be several reasons an air conditioning system smells like vinegar. One possible cause is a plugged air filter. One other potential cause of the smell could be a refrigerant leak. When the refrigerant leaks, it can make a chemical odor that is similar to vinegar.
To fix the issue, it’s essential to have a skilled specialist inspect and clean your air conditioning. If the odor lingers after the cleaning and changing of the air filter, it’s best to reach back out to a professional to identify and repair any hidden issues with your air conditioning. Or, they can tell you if your air conditioning needs to be replaced.
If you are planning to upgrade, Redhawk Heating & Air Conditioning can help locate the right unit to fit your home’s needs. We provide dependable, skilled air conditioner installation in Odessa.
My Air Conditioner Smells Like Chemicals
If the smell of chemicals is emitting out of your air conditioner, it could be the result of a refrigerant leak. If the refrigerant leaks, it can create a chemical odor that is often described as smelling like chemicals or paint thinner, vinegar or acetone.
Another possible source of the smell could be something wrong with the electrical wiring or elements inside the air conditioning system. This can produce a burning smell that resembles chemicals or burning plastic.
If you think your system has a refrigerant leak or an electrical problem, it’s important to shut off your air conditioning system immediately and contact a professional to inspect and repair the unit. Refrigerant leaks can be harmful and may require immediate attention to avoid injury or damage to your house.
Weird Smells Coming from the Air Conditioning? Contact the Experts at Redhawk Heating & Air Conditioning
If your air conditioner smells nasty and you aren’t able to fix it smoothly on your own, call the cooling professionals at Redhawk Heating & Air Conditioning. We have lots of experience working with a wide variety of HVAC systems. Our crew has fixed countless air conditioning concerns through the years—including funky smells. Call us today for quality AC repair in Odessa!