Condensate drain blowing cold air.
A c condenser blowing cold air in attic.
It ended into drain piping under a vanity sink.
I went up into the attic to investigate and i did notice that in 2 places labeled with red arrows there is ice cold air simply blowing out from the air handler into the attic.
Split system gas furnace in attic condenser outside.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
Ignore that duct tape i noticed the aluminum foil has gaps i need to re tape those to prevent cold air leaks around the evaporator bo thanks.
A dirty ac filter reduces airflow in your system causing your system to struggle to cool your home.
Put it in an attic full of blown insulation and you re forcing.
Looked at a home built in 2006 with a goodman mfg.
Should it be open.
Bottom has gas furnace and on top is the ac air handler.
The condensate drain line first had an upright piece of pvc open on top blowing cold air then a p trap.
How to fix it switch your thermostat to auto see image below so air only blows from your vents when the ac is cooling.
That vertical pvc pipe on the drain line i noticed it s blowing cold air into the attic.
In a central ac system the main blower forces cold air through the ducting and from there into individual rooms.
If a duct somewhere between the blower and a room register the metal grill that.