maintenance company

Two things troubling me now.. I need to get an appointment with the maintenance company to check and fix the air conditioning, which sometimes runs right and sometimes doesn't, so sweltering in the house is not comfortable. But my job schedule is screwing me, and it's hard to fit them in.. This...

Now I have an airconditioning issue. The air goes on, but the temperauture stays the same. I have a contract with a maintenance company, but they give a range of 5 hours, and could pop up at the beginning or end of the range. Which would be adventuresome with my work schedule.Also, it's covered...