Complete 2 Systems worked on US Goodman 80% Gas Furnace: heating Maint. Checked tstat and air filter. Removed air filter. It has 2, installed new one. Checked electrical connections. Inspected evap coil. No CO detected. Burners are clean. Checked amparage on draft motor, checked motor amp draws and run cap. Found run cap going weak. Replaced it authorized by HO. Charged her level 2 + tax. All safety switches are on great condition. Checked draft motor. System is running great at this time.