That time, I was too excited to witness the work of the technician since he's the one of the expert technicians who could handle the repair. I had Radu for hvac air conditioning repair. I really appreciate his performance for it was so qualifying, he's smart in finding out the best solutions to fix the problems, thus the quality was really good. I never had trouble watching him doing the repair for he's really an expert. He made an excellent repair at a very low cost. Good job!