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Air Conditioning System

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Mr. Aircon

Today air conditioning has changed this. With air conditioning has changed this. With air conditioning you can be comfortable anywhere indoors on even the hottest, stickiest day of the year. You will almost certainly find air conditioning in the movie theaters you attend, in many of the stores where your family shops, and in the restaurants where you eat. It may even be in your own home. Aircon Installer Philippines

What is air conditioning? 

You know that air conditioning makes you feel cool. But air conditioning is more than just cooling. It means keeping the temperature and humidity (moisture content) of air in an enclosed space, whether it is one room or an entire building, at just the right level for the comfort of the people inside. It also means circulating the air and adding moisture if necessary. In summer it means removing by passing the air over cold pipes that collect water from the air, much as drops of water condense on a cold water glass on a hot, damp day. In fact, we might almost say that air conditioning means creating an artificial, comfortable climate. In this article we shall discuss only cooling. 

In dry climates air can be cooled simply. The cooler may be no more than a large fan that draws hot, dry air to a water soaked fiber mat. The air is cooled as it evaporates the water. It is do dry to begin with that the added moisture will not cause discomfort. 

Air conditioning has many uses besides keeping us comfortable. Many industries depend on it to keep the air in their plants clean, cool and at the right moisture level. For example, textile fiber such as wool and cotton will stretch or shrink as the moisture content of air changes. This causes variations in the quality of the cloth. Too much moisture in the air -or even on a worker's fingertips- will cause delicate metal parts such as rocket components or precision instruments instrument to corrode. The wrong temperature can spoil a batch of antibiotic culture. Proper air conditioning prevents this mishap. Aircon PH

There were hundreds of ideas, but none of them really worked. In fact, many of the schemes made people feel worse because they added large amount of water to the air. Air is like a sponge. It will soak up water and make people feel sticky and uncomfortable, especially in hot weather. When the air is very moist, we say the humidity is high. When the air is dry, the humidity is low and we feel better. 

How does it Work? 

An air conditioning unit does not "add coolness" to the air. It removes heat. An air conditioner works on the same basic principle as a refrigerator-though it is not designed to produce such low temperatures. Heat is taken from the air by the rapid expansion of a refrigerant (cooling substances) as it turns from a liquid at high pressure. An accompanying illustration shows the cycle of operations of a small home-type air conditioner. Here the air is cooled directly by the machine. For the sake of the simplicity, filter and motors are not shown in this diagram. In large, central installations, such as those in office buildings and schools, a machine chills water that is piped to a series of coils. Air from building is drawn over this coils and circulated through the building blowers. 

To be practical, an air conditioning unit must be able to maintain a steady temperature. Otherwise people would have to turn their units off and on continually as the temperature become too cold or hot. A steady temperature-regulating device called thermostat. The thermostat is set at desired temperature. It then switches the cooling unit on and off as needed. 

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