
Modern ceiling fan
Modern ceiling fan is still a popular way to cool down after coming from the outside on a hot and humid summer afternoon. Although no one was near the air conditioning for comfort, it is a convenient way to find your own sweat very cool. Popularity is mainly due to the low cost compared with air-conditioning.
Invented in the United States, were the first fans to work with power from a turbine with the power of rivers. The turbine was connected to the fan with a series of straps. Although bulky and noisy, served the purpose. Straps connected to a lot of fans, turbine, which allows the air too much room in a house. This is the original fans were the only two wooden wings, especially in the restaurant had. With the invention of electricity, has been enhanced to drive the fan with electrical energy. But they had only two wooden leaves. Developed by the time the fan has four blades, to increase its efficiency, air conditioning was already born.
The air conditioning system is more and more popular in the United States was the fan not be treated as an option for comfort in hot weather. As a result of the fan from the U.S. was hidden. In later stages, fans manufactured in other countries to the United States, but came to the air conditioning is an option.
In developing countries, is a modern ceiling fan as popular as the purchase price and maintenance costs are very high and the air conditioning is out of reach for ordinary citizens. Only in public buildings and offices, using existing air-conditioning. Today ceiling fans are manufactured with three blades and are relatively lightweight materials like aluminum.