freon poisoning
Sarah Martinez
Updated on June 26, 2026
Signs you’re suffering from refrigerant poisoning include:
Swelling in your throat or sinuses.Difficulty breathing.Severe pain in your nose, throat, or sinuses.Burning sensation on your eyes, nose, ears, lips, or tongue.Vision loss.Severe stomach pain.Vomiting or diarrhea.Indigestion or heartburn.
Can a Freon leak make you sick?
While tasteless and odorless, Freon does make a large impact on your air and health. Refrigerant poisoning is a serious condition that can lead to difficulty breathing, headaches, nausea and vomiting, skin and eye irritation, and coughing.
How long does Freon poisoning last?
How well a person does depends on the severity of the poisoning and how quickly medical help was received. Severe lung damage may occur. Survival past 72 hours usually means the person will have a complete recovery. Sniffing Freon is extremely dangerous and can lead to long-term brain damage and sudden death.
What does a Freon leak smell like?
Freon usually travels through closed copper coils in an AC unit, but these coils can crack and result in an AC coolant leak. A freon leak will produce a smell between sweet and chloroform. Freon leaks can be toxic.
How long does Freon stay in the air after a leak?
Refrigerant Leaks
If a leak is present, the refrigerant will simply leak out as soon as it is replaced. So, the coolant will last no more than a few weeks to a few months, depending on the severity of the leak. There may also be more than one leak, which could cause the refrigerant to disappear sooner.
Can you smell Freon leak refrigerator?
Freon is mostly odorless, but if you smell a chemical odor in or around your fridge you should investigate the possibility that your refrigerator is leaking Freon. Your fridge should not produce any smells during normal operation. Be aware that Freon is a colorless gas, so you won’t be able to see it.
Does Freon cause brain damage?
Besides loss of consciousness, huffing freon can make your lungs freeze, cause frostbite to your airway, sudden cardiac death, and brain damage. Some air conditioning service businesses report customers call believing they have a freon leak only to find out someone has been siphoning off the gas, which is easy to do.
What happens if you breathe in too much Freon?
Serious signs of Freon exposure include irritation of the lungs, burns on the esophagus and irritation of the stomach. Necrotic skin lesions or tissue damage may develop when the Freon comes into contact with the body. Lung failure or death may occur with prolonged exposure to Freon.
How do you test for Freon poisoning?
There are no medical tests available to diagnose Freon exposure. There are also no FDA-approved drugs to treat the poisoning. In the case of inhalant misuse, the affected individual may need to be hospitalized in a drug treatment center.
Does Freon smell like nail polish?
Even though Freon is mostly odorless, you might, at one point, notice a chemical odor around or in the fridge. A refrigerant leak might also smell like nail polish remover or gasoline. If your fridge is located in a contained space (the garage, for example), a Freon leak can have a musty odor.
Why does my house smell like ozone?
Electrical Burning or Ozone
If you’ve ever stood out in a thunderstorm, you’ve likely smelled the sharp smell of ozone, a scent reminiscent of chlorine. Your furnace might create a similar electrical or metallic smell when it overheats. As your furnace ages, worn bearings may cause the blower motor to seize up or bind.
Can leaking Freon cause headaches?
More Typical Freon Situations
More typically, if there is a Freon leak, someone may end up with exposure to the substance and may experience some less severe symptoms, such as the following: headaches.
How long does it take Freon to dissipate in a house?
Freon in a normal AC unit should last 10 to 20 years. Your system should not lose more than a pound every few years or more; many systems go their entire life without needing the addition of gas.
How long does AC Freon take to kick in?
Normally, freon takes a 15 to 30 minutes to settle in an air conditioner. But as a good rule of thumb it is better to wait for the maximum time to make sure “just in case.”