Air conditioning is a common luxury today, and over 86% of homes in the southern U.S. enjoy central air conditioning systems. However, modern AC wasn’t invented until the 20th century, and people lived for thousands of years before that without mechanical cooling systems. However, devices for cooling air date back several centuries, when the Chinese used fans to keep emperors cool and affluent Romans circulated water through walls to cool their homes. Take a look at this infographic from Berkeys Air Conditioning & Plumbing, a Carrollton area air conditioning repair company, to learn more about cooling over the course of time. If you find this information interesting, please share this infographic with your friends and family!