Completed the installation of a heat pump and air handler. Build a new extended supply plenum and return plenum. Rebuilt condensation drain line. Cleared drain line and tested operation. Pressure tested line set and pulled a vacuum. Charged system to proper sub cooling. Installed new disconnect box and all new Seal-Tite. Installed a line set cover. Installed a new Ecobee Pro thermostat. Tested system in all modes and everything is working at this time.