1 system CCM- Checked heating operations of 2005 Goodman furnace. Replaced 14x25x1 filter, Checked capacitor outputs and amp drawls, Inspected heat exchangers, Checked delta T, triggered safety switches, Cleaned flame sensor, Brushed burners, and cleared drain line. System is operating properly at this time. Pics uploaded Sending qoutes to replace corroded flu pipe, add gas steel pipe in furnace(gas flex entering furnace is not code and hazardous), and to add a carbon monoxide detector in home.