I would do some matchstick bamboo blinds on each window. Then place a chest or book shelf or chair in front of the vents below the left and right window. Then put a bookcase in front of the one with the a/c unit, but remove the backing and shelves so the swamp cooler could stick through. Then...
Pepper is a good way to get rid of ants. Ants hate the stuff. Just pour a line of pepper down and they won't cross it. In addition to pepper, they don't like Cayenne pepper either. You can mix Borax with sugar water, and place it where they can access it. It will poison them. You can also pour...
Sorry about the hassle. But I've heard some bad things about that company. I believe it is a lot of independent franchise owners, so there is no real consistency on the way they do business. When I need stuff picked up, I usually get a neighborhood kid with a truck to come by and take it all...
Sorry Papakevin. This looks like a mess. It does look like mold and everyone is right, you need to stop that water from coming into the home. You can try boric acid to help get rid of the mold, but first I would just try scrubbing the area with soap and water. It'll be much gentler on the wood...