It looks like mold.
Window ac unit blowing out black stuff.
If black dust blows out upon activation turn the unit off open up the panels leading to the different components of the air conditioner and clean the interior with compressed air or a mild cleaner and cloth.
The fan could be part of the problem if a hefty amount of dirty rests on the blades.
It almost looks sythetic.
The only other possibility is that some black foam insulation is deteriorating.
Soot from candles or your fireplace the most likely culprit mold spores.
They are stand alone wall and or window units no ducts.
The area where the air blows out from has black flakey stuff in it.
Pull the cover off the front of the unit your filter is nearly clogged it s so dirty and that needs to be cleaned.
Air conditioner vents can be breeding grounds for black mold.
Next use a solution of bleach and water to clean all the black stuff in the vent then spray with this or a like product https www lowes.
Probably all the movement when it was being taken from your old place to your new apartment along with it drying out some may have caused all of this to loosen up and start blowing out with the.
If you ve noticed black stuff coming out of your ac vents it s most likely either.
While odds are the mold in your ac unit is not the scary black mold stachybotrys chartarum that you ve heard about inhaling mold spores of any type can result in respiratory disorders.
Let s go into more detail about each of these problems and how you can fix them.
It s about 6 years old.
I ve had the black flakes that smear blowing out of the vents for probably all but the first year i used it including this year.
Need an air conditioning repair right away.
It should be disassembled and cleaned thoroughly with a diluted bleach solution.
Dark dust or dirty insulation.
The area with the filter is covering the metal doesn t have the black stuff.
I have a window unit a c installed through the wall.
That air conditioner needs to be cleaned that is black mold that is blowing at you basically spores this is why you are sneezing.
Give us a call or schedule online and we ll quickly send over one of our trusted techs to fix whatever is causing the problem.
It hasn t helped at all.
It occasionally blows out onto the rug as black chips and is kind of dry and breaks up into dust easily.
Pull the filter out you can.
Condensation forms in the coils and ducts as cool air circulates through the system creating a habitat for moisture loving mold.