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for over a thousand years The air conditioner has been around. devices beginning in ancient Rome. the first time scientists make air conditioner to cool down the buildings and Type of air conditioning
the way the builders and scientists made these air conditioners for the buildings was building wind towers and cisterns. The water tank is a large pool of water and when it becomes hot water will evaporate into the air cool and then the tower of the wind will blow air into the building. because the building has a tremendous heat, they must find a way to cool environment

Today with the help of electricity and technology the boom of AC devices have began to take effect. They have made AC units to choose from, from portable, permanent outside air conditioners, commercial air conditioners and residential. at the time of air conditioner is needed in the community, a portable unit is a key thing to have and requires no permanent installation. The difference from portable and Permanent air conditioning is with the permanent installation you don't have that luxury like portable you can move the cool air where ever you go