A few quick pieces of advice: 1. Your AC unit will cool perfectly when the blower is in the on-spot. The blower gives constant air movement all through the house, and lets for superior filtration. 2. Install drapes, shades, screens, or shutters on windows that are exposed to high sunlight to keep area temp at moderate rates. 3. Replace and clean AC filters frequently.
We also strongly recommend you to read our extend life of AC in-depth guide.