Installed Carrier heat pump. Installed Ecobee Pro thermostat. Installed new supply and return plenums and sealed all connections with mastic. Replaced secondary drain pan. Rebuilt and insulated drain line. Installed SS2 and SS3 safety float switch. Cleared and verified drain operation. Installed sub panel on top on air handler. Replaced disconnect and whip at outdoor unit. Ran low voltage in 1/2-inch Seal-Tite. Replaced breaker for condenser. Weighed in charge to meet manufacturers specifications.