The comfort of the environment is something that is extremely relevant to the well-being of the people who visit buildings, shopping centers, networks, banks, stores, street, networking, supermarkets, hotels, schools, hospitals, and sealed with a high concentration of human being.

According to the savings bank, there are about 5 million businesses operating in the whole of the chain of the cool, including in the manufacturing, maintenance, installation, designs, and to trade, with over a 300 thousand new jobs, and with an annual turnover of more than 37 billion dollars.

There are laws that govern the quality of the air in public spaces closed, and the HVAC-R sector is comprised of companies in the heating, ventilation, and air conditioning, and refrigeration controlling the environmental conditions of an area, including temperature, humidity and quality of air flow, so that the amount of heat removed by the cooling system is calculated on the basis of the number of people, the size of the space and level of exposure to the sun to the building. The cooling of the water plays a crucial role in the cooling of the water used in these processes, for cooling, thus contributing to the energy efficiency and sustainability.