HVAC Service Call: 3 Units not Cooling But I check all of them.

I had a Service Call for 3 units not Cooling But the Manager didn't know which units they were, I checked all the unit and confirmed that they worked mechanically and submitted a quote to repairs I found that day. Hit me up at ryanhugheshvac@gmail.com Buy Me a Beer? https://paypal.me/RHughes833?country....