An air conditioning unit is great for keeping a home cool, especially in warmer months. Many people have grown accustomed to having cooler air within the home. When an air conditioning unit starts acting up, it is imperative it gets taken care of quickly. Hotter temperatures within a home aren’t just inconvenient, it could be dangerous. Here are three common signs you will need to call an air conditioning repair company. Older Air Conditioning Equipment: If you’ve had an AC unit installed for 10 years, you can save nearly 20 percent by having a newer unit installed. These savings come…