Chillers are basically a closed system, which utilizes the process of evaporation and condensation to cool the air in a room. Making use of drying technology, the dry air system cools the temperature by passing on the heat from the source to the evaporator coil. Basically, there are two kinds of chillers. One is air cooled and the other being water cooled. Air cooled chiller
s, as the name suggests uses air to dehumidify a space, whereas Water cooled type chiller
uses water to cool a place.
There exists no formulae to find the perfect dehumidifier and neither of them would be suitable to every device. Each chiller has its own set of advantages and disadvantages and a buyer should effectively scrutinise them before investing in one. Space is one of the most important factors, when it comes to choosing a Dehumidifier.
Air chillers are larger in size and require a large space for installation, whereas Water cooled type chiller are small, but require cooling towers and a mechanical room for effective functioning. Air cooled chillers would be unfavourable for industries, which have walls higher than the unit. They require continuous flow of fresh air and an obstructed air flow may create problems with recirculation. Water chilled coolers are more suitable, when there's a lack of space and restricted air flow.
Every chiller produces a noise when it is in use. The noise of air cooled chillers cannot be determined as each fans installed in them would have a different decibel. Although, there are various ways to decrease the noise produced by them, it is always better to invest in a system, which is quieter. Air chillers are normally cheaper compared to the money spent on the maintenance of water chillers.
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