Warranty. Need to send installers back out to fix job. All pictures in ServiceTitan. Return plenum with filter cabinet has completely fallen off furnace. Need to reattach with screws re-tape and re- mastic seal. All ducts need to be taken off, collars sealed, dampers installed on supply side, flex duct black inner liner attached then outer jacket attached. Drain line needs to be re-done to so the pipe goes straight into fitting and not at severe stress bend and use pvc glue on all fitting as there was none used on install. Txv bulb needs to be completely insulated. After all repairs are made, the air balancing needs to be performed. While onsite check wiring as the light in far room has not worked since install