When your air conditioner starts putting out odd or unappealing smells, it is important to take notice because it could be a sign of a big problem. Disregarding unpleasant smells coming from your cooling system could lead to serious damage to your HVAC system 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 warning of a dangerous problem, such as a natural gas leak.
At A2Z Air Inc, we are experienced at getting to the root cause of stinky smells. If you smell something weird coming from your AC, you can bet that our team of qualified professionals has smelled it, too—and fixed it! We’ve earned our reputation as the go-to team for air conditioning repair in Boynton Beach.
What does a certain smell coming from your AC mean? Here are a few frequent air conditioner smells and what they could mean:
My Air Conditioner 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 collects inside the unit, it can produce an environment that is beneficial to the growth of bacteria and fungus. This can cause a bad odor that is often described as smelling like stinky feet.
Another likely reason for the smell could be a dirty air filter. When the air filter becomes filled with dirt, dust and other particles, it can cause low air quality and a musty smell that it similar to the smell of feet.
To correct this dilemma, 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 replace the air filter routinely to promote good air quality and protect against the development of bacteria and fungus.
My Air Conditioner Smells Like Rotten Eggs
If your air conditioning unit reeks of rotten eggs, it could be because of 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 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 allow gas to escape the area, get everyone out of the building and call your gas company or emergency services immediately.
My Air Conditioner Smells Like Mildew
If your AC is giving off an odor like mildew, it could be due to a collection of moisture inside the unit. When moisture accumulates inside the air conditioning system, it can foster the growth of mold and mildew. This can cause a musty odor that it similar to mildew.
Another possible cause of the smell might be a soiled air filter. Once the air filter becomes clogged, it can lead to poor air quality and a musty smell that resembles mildew.
Routine air conditioning maintenance from A2Z Air Inc can help avoid 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 distressing situations is when the air coming out of your HVAC system smells like urine.
If your air conditioning equipment stinks like urine, it could be traced back to a number of things. One possible cause is a accumulation of bacteria or mold in the your HVAC. This can happen in the event that moisture accumulates in the system and creates a damp environment that favorable for bacterial growth. The bacteria can create a foul odor that some people describe as smelling like urine.
Another feasible cause of the stink could be a blocked drain line. The condensation that forms inside the air conditioning unit needs to drain away correctly, but if the drain line becomes filled with debris, it can cause water to back up and accumulate inside the unit. This can produce 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 parts in the air conditioning system can wear out or break, which can create a burning smell that resembles plastic.
Another possible cause of the smell could be a foreign object lodged in the HVAC system. If something foreign gets stuck 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 important to contact a professional right away.
My Air Conditioner Smells Like Gas
If your air conditioner smells like gas, it could be because of a natural gas leak in the unit or in your home. Natural gas has a distinctive smell, often described as smelling of rotten eggs or sulfur. That’s because this scent is put into natural gas to make it easily detectable.
As stated before, a natural gas leak can be VERY hazardous 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 straight away.
Why My Air Conditioner Smells Like Fish
Should 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 sometimes 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 caught in 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 correct the issue, it's important to have a professional examine and clean your cooling system. They can find the source of the smell and take the proper steps to remove any contaminants and keep the problem from recurring.
Why My Air Conditioner Smells Like Vinegar
There could be multiple reasons your AC smells like vinegar. One possible cause is a clogged air filter. A second potential cause of the smell could be a refrigerant leak. Sometimes after the refrigerant leaks, it can create a chemical odor that is similar to vinegar.
To fix the issue, it's beneficial to have a skilled specialist examine 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 find and repair any persistent issues with your air conditioning. Or, they can tell you if your air conditioning needs to be replaced.
If you are wanting to upgrade, A2Z Air Inc can help select the right unit to fit your home’s needs. We offer reliable, skilled air conditioner installation in Boynton Beach.
My Air Conditioner Smells Like Chemicals
If the smell of chemicals is emitting out of your air conditioning unit, it could be due to a refrigerant leak. When the refrigerant leaks, it can create a chemical odor that some people describe as smelling like chemicals or paint thinner, vinegar or acetone.
Another possible cause of the smell could be an issue with the electrical wiring or components inside the air conditioning system. This can result in a burning smell that is like chemicals or burning plastic.
If you suspect a refrigerant leak or an electrical problem, it's important to shut down your air conditioning system right away 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 house.
Strange Smell Coming from Your AC? Call the Pros at A2Z Air Inc
If your air conditioner stinks and you aren’t able to fix it easily on your own, reach out to the cooling specialists at A2Z Air Inc. We have years of experience working with a wide variety of AC systems. Our crew has fixed countless air conditioning troubles throughout the years—including weird smells. Call us today for quality AC repair in Boynton Beach!