Many HVAC contractors use dye when there is an issue with the system.
#hvac #airconditioning #hvactips #refrigerant
#hvac #airconditioning #hvactips #refrigerant
You are just simply not being able to find the leak. The contractor just can't find it in a lot of cases. They can add die to that system. It's a die that once it does start to leak some of that refrigerant again, the dye would be in there and it would show up.