It does work for minor leaks, the sort that you top up every month or so and not within a couple of day or even hours. Unless the leak is tiny, adding a leak seal is a false economy… The leak seal needs to set in air and reacts to the trace gas as 'air' and sets, often fixing the leak but only for a while.11 Dec 2014
Is it worth fixing AC leak?
A refrigerant leak is one of the most common issues we see in residential air conditioners. If you've had the AC for less than 10 years, it's usually worthwhile to have the leaks repaired—you should still have many good years of life left in the system after this.11 May 2020
How do you fix a leaking air conditioner?
https://www.youtube.com/watch?v=brKBemwkRkI
Should I turn off my AC if its leaking?
If refrigerant is leaking, turn your air conditioner off immediately. Refrigerant leaks can be dangerous, and continuing to use it can also cause damage to the AC. If your air conditioner is leaking because the evaporator coils are frozen, you shouldn't turn it on until the problem is fixed.