I am renting, and my previous AC unit sounded like a diesel generator so the maintenance team replaced it with a new one. It is the Garrison Air Conditioner, Through the Wall, 14,000 BTU, 230/208 Volts, Cool Only. I called maintenance the other day because it was running for 2 days straight and the temperature in the apartment was sitting around 78 degrees for the room with the AC and . They instructed me to turn off the energy saver mode and to turn the desired temperature to 62 degrees (the lowest the unit will go).
Cold air (62 degrees) does come out occasionally, but it is generally 75 degrees. It has been in the high 80's outside the past few days, and I have also noticed at night it does a much better and consistent job of cooling, and I do not think it is a coincidence that when the temperature outside drops, the AC is is cooling better.
Is there something wrong with my AC? The previous place I lived, when I set the AC, it would take a few hours at most to hit the right temperature, but this one takes 8 hours to drop 2 degrees in a 1 bedroom apartment.