For the very first 50 years, air conditioning was only available in a couple of public areas, like outlet store and also theatres. It was viewed as an escapist luxury and greatly ignored by the public. Today, air conditioning is ubiquitous and also an important part of our daily lives. With more than 1 billion single-room systems in use worldwide, the technology is predicted to be practically as powerful as the oil as well as gas sector. In addition to making indoor air…