Does your home feel humid all the time? Maybe the temperature seems to fluctuate. Are your floors to your AC vents damp? At night, do you pull the covers up, then off, then up, then off, the same thing night after night? If your HVAC unit is in fine working order and all of these things take place in your home every single day and night, more than likely the fan switch is in the wrong position.
Today on Bruce and the Kennel Club we discussed air conditioners and thermostats. My roommate is all about saving money and doing everything in a way to save money. I completely agree with saving money; however, living in Louisiana in the middle of the summer is miserable if the house is not at a comfortable setting.