Your air filter isn t dirty.
A c condenser blowing cold air in attic.
Put it in an attic full of blown insulation and you re forcing.
If a duct somewhere between the blower and a room register the metal grill that.
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.
These are goodman units.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
That vertical pvc pipe on the drain line i noticed it s blowing cold air into the attic.
It ended into drain piping under a vanity sink.
Condensate drain blowing cold air.
1 the first is out of a white pvc pipe that has an odd section sticking straight up but it s completely open so the cold air is coming out of the top of that.
In a central ac system the main blower forces cold air through the ducting and from there into individual rooms.
Split system gas furnace in attic condenser outside.
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.
Bottom has gas furnace and on top is the ac air handler.
How to fix it switch your thermostat to auto see image below so air only blows from your vents when the ac is cooling.