Make sure it's draining properly. Condensate, if it is allowed to remain stagnant, builds up an odor. If you have built up mould in the evaporation coil, you may need to have it professionally cleaned. Freon has no odor.
No, freon does not smell like ammonia. Freon, a type of refrigerant, typically has a faint, sweet odor. Ammonia, on the other hand, has a strong, pungent odor often associated with cleaning products.
Freon gas itself does not have a distinct smell. However, refrigerant leaks in a fridge may sometimes produce a faint chemical odor. If you suspect a refrigerant leak in your fridge, it's best to have a professional inspect and repair it promptly to prevent any potential hazards.
R134a Freon is an oxymoron, Freon is R12 but the answer is yes, a subtle 'sweetish' odor
Freon is a gas at room temperature and a liquid when cooled or compressed. Freon gas is colorless, non-flammable and relatively odorless. Some Freons have an ether-like odor.
You would not smell the refrigerant as it is odorless, you may however smell the oil that circulates along with it. But if the leak was that large where you could smell it, it most likely would have been one single event NOT a continuous one and the unit would be totally out of gas and non functional.
To get rid of the unpleasant air conditioner smell in your home, you can try cleaning or replacing the air filters, cleaning the evaporator coil, checking for mold or mildew in the unit, and using air fresheners or odor absorbers. Regular maintenance and cleaning of your air conditioner can help prevent odors from developing.
Freon itself is a colorless gas and typically does not have a strong odor. However, if there is a leak in a system using Freon, it may produce a faint, sweet smell that some people might notice. This odor is often compared to that of chloroform or other chemical solvents. If you detect a strong smell associated with Freon, it's important to address the leak promptly, as it can be harmful to health and the environment.
Air conditioner coolant, also known as refrigerant, typically has a sweet or somewhat pungent odor, depending on its specific type. If there is a leak, it may emit a strong chemical smell, which can be unpleasant and potentially harmful. It's important to address any unusual odors promptly, as they may indicate a refrigerant leak or other issues within the air conditioning system. If you notice such smells, it's best to consult a professional for inspection and repair.
your cabin air filter is probably plugged
I don't know how to solve the odor problem, but I can give you an idea on detecting the freon leak. If the leak is not visually apparent, the next time you add freon, use one can of freon with leak detector. It is usally red in color and you will be able to see where it leaks from.
Freon, DuPont R22 (Dichlorodifluoromethane) is described in the MSDS as having a "slight ethereal" odor. I cannot say that I have noticed any odor from any systems that I have accidentally dumped. Then, again, I don't stick around to sniff it and I have never dumped a system in an enclosed space. If you have ever smelled chloroform, it is also described as having an "ethereal" odor. It is best not to sniff that either.
A pungent odor during a sealed system recovery could be a sign of refrigerant contamination or a leak in the system. It is important to stop the recovery process immediately, ventilate the area, and investigate the source of the odor to ensure safety and prevent further damage to the system. It may be necessary to repair the leak or address any contamination before continuing with the recovery process.