Dear Friends,

I have a question, I was talking with some of my friends inside of domestic forum in case of HVAC systems.

My friends divided in two cases below :

1 - Some of them believe that with vacuum pump we can evacuate small parcel of moisture after a couple of hours that vacuum pump works

2 - Others say with vacuum pump we can't evacuate moisture form inside of system and vacuum pump is not for this job.

Would you also please share your opinion with me ?

Sincerely yours.