nstalled 3 Ton Carrier Heat pump and Air Handler. Installed Ecobee Pro Thermostat. Transitioned to existing Supply Plenum. Sealed Return Chase with mastic air lock. Rebuilt and insulated condensate drain line. Installed ss2 safety float switch. Cleared and verified drain operation. Pressure tested system with nitrogen and pulled a vacuum on the line set. Replaced disconnect and whip for outdoor unit. Tested and Verified system charge was at manufacturers specification.