My volvo c 70. Air conditioner is blowing hot air. One mechanic put Freon and it

What is your question?

My Volvo air conditioning is blowing hot air one mechanic put Freon and then took it out because he said that was not the problem but the next day it was blowing cooler air one other mechanic is saying it is an electrical issue just not knowing where the electrical problem is I need help thank you Laurie

What makes this problem better or worse?

It's worst when engine is hot

How long has your 2013 Volvo C70 had this problem?

2 weeks now. As I'm trying to figure out the issue