About Jim’s Air Since 1958, Jim’s Air Compressor has been servicing the construction and industrial market in DC and the surrounding areas. We pride ourselves on our knowledgeable staff and outstanding service. Whether you are a service station, auto repair shop, or car dealership, we provide stationary air compressors for any business that uses pneumatic tools or equipment. Top portable air compressor for car for breaking concrete or asphalt pavement, demolition on masonry walls and structures, and drilling holes for fence posts in stone or rock.
Including air fed hoods and assorted sizes of blasting media in 100lb bags. Contact Us Today Jim’s Air Compressor, Inc. Enter the characters you see below Sorry, we just need to make sure you’re not a robot. This article is about cooling of air. For Heating, ventilation and air conditioning, see HVAC. For air conditioning systems in vehicles, see Automobile air conditioning.
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Air conditioning can be used in both domestic and commercial environments. Air conditioners often use a fan to distribute the conditioned air to an occupied space such as a building or a car to improve thermal comfort and indoor air quality. In common usage, though, “air conditioning” refers to systems which cool air. Since prehistoric times, snow and ice were used for cooling. The business of harvesting ice during winter and storing for use in summer became popular towards the late 17th century. This practice was replaced by mechanical ice-making machines.
The basic concept behind air conditioning is said to have been applied in ancient Egypt, where reeds were hung in windows and were moistened with trickling water. The evaporation of water cooled the air blowing through the window. This process also made the air more humid, which can be beneficial in a dry desert climate. Tang Yulin describes as having water-powered fan wheels for air conditioning as well as rising jet streams of water from fountains. In the 17th century, the Dutch inventor Cornelis Drebbel demonstrated “Turning Summer into Winter” as an early form of modern air conditioning for James I of England by adding salt to water. Modern air conditioning emerged from advances in chemistry during the 19th century, and the first large-scale electrical air conditioning was invented and used in 1902 by US inventor Willis Carrier. In 1758, Benjamin Franklin and John Hadley, a chemistry professor at Cambridge University, conducted an experiment to explore the principle of evaporation as a means to rapidly cool an object.