Hello HVAC world,I posted on here a awhile back,it's been a while since the last time in been on here,so just incase you forgot who I am,let me reintroduce myself,my name is A.C.Cool and I been in the commercial side of the trade doing work in refrigeration.After that I went into plumbing for a little and now I'm back in HVAC,this time i'm new to being an a/c heater installer for a residental company.Ive came out of Everest Institute (HVAC) back in early 2002.I look forward to learning/taking advice from the pro's on here.