Recovered freon from system. Removed old AC coil and duct transition. Blew nitrogen through lines to clear, also blew nitrogen down plumbing condensate line to help make sure it is as clear as it can be. No warranty exists on plumbing line as this was not replaced. Inspects heat exchanger while it was. Isi let with old coil out. No cracks noted. Installed new 14 Seer indoor Evap coil with pan, risers, switch, and duct transition. Purged nitrogen through freon lines while brazing in. Mastic sealed ductwork from furnace to coil and coil to supply plenum. Also noted dampers in system were all open, psi leak test held.Triple evacuation pulled down.Added all new freon to system per manufacturer specs. Tuned system on and tested. All okay, Unit running well at this time.