Make no bones about it—the dog days of summer are here. With heat waves scorching the region, it could be time to evaluate your home air conditioning system. Although air conditioning systems can last up to 15 years, some units may not work efficiently toward the end of their lifespans. Improper installation and high workloads both conspire to add wear and tear to cooling systems. Telltale signs of a failing unit include molding evaporator coils, growling compressors, and increasing energy costs. Buying a new air conditioning unit after years of relying on the same unit can be daunting, but fortunately, Trane air conditioning systems make your choice easy. Trane air conditioners offer you excellent comfort, better air quality, lower energy costs, and expert engineering. Read on to learn more about how Trane helps you beat the summer heat.