Consumer Reports gives some idea on how to keep your AC cool and save energy as well. According to them, you have to shop carefully, invest in a reliable AC brand – including American Standard, Rheem, or Trane.
To avoid repair problems, it is important to get your AC system inspected by a trusted professional at the start of every cooling season. Clean filters and grills every month while keeping your plants and hedges at least 2 feet away from the air conditioning unit. In this case, you are not only avoiding the need to to call a repairman, but it can save energy as well.
Consumer Reports said, “Another energy saver is to use a programmable thermostat and set the temperature higher when you’re out of the house.“