What is Air Conditioning?

Understand the positive effects of air conditioning : Air conditioning is based on precise control of temperature, humidity and air flow. Air is cooled or heated by circulating it through an air conditioning unit prior to it’s controlled discharge into the room.

Cooling ModeCooling Mode:
Excess room heat is absorbed by a special liquid – a refrigerant – sealed within the system. As the refrigerant absorbs the heat from the room it changes into a gas and passes through small, copper tubes to an outdoor unit where the heat is released, into the atmosphere. The gas then changes back into a cold liquid, returning to the indoor unit where the air is fanned over it and out into the room. This cycle is automatically repeated to maintain the preset room temperature.

Heating ModeHeating Mode:
Heat pump systems also allow the above cycles to be reversed. A heat pump extracts “free” heat from the outdoor air, even on the coldest days when the temperature may fall as low as -10 degrees Celsius and transfers the heat indoors. Heat pump units therefore avoid the need for a boiler and allow you to cool and heat with the same unit, with savings in costs and energy throughout the year.

Air conditioning for a healthier environment

The filtration of bacteria and viruses from indoor air is hindered by two characteristics of the organisms: Being extremely small and able to propagate. The typical size of a bacteria is in the order of a few micrometers, but viruses can be 1/100 of this size. It is true that filtration of particles less than one micrometer is difficult. I t is also known that organisms captured by the filter can then propagate on the surface of the filter, necessitating frequent changes.

The use of electrical fields and discharges has long been known to address both of these issues. The improvement of filter capture through the application of electrostatic fields is well established. Polarisation effects brought about by an electrical field produce an attractive force between particles and filter fibres resulting in significantly enhaanced filter efficiency, especially for small particles. Allowing a porous, low-pressure drop filter to be used for high efficiency service.

The plasma filter was primarily developed for hospital applications where high efficiency filtration and sterilisation are both needed and where lower pressure drop operation is desired. Due to the plasma filter being extremely effective at removing air borne contaminates, including fine dust, pollen, mould spores, dust mites, paint fumes and tobacco smoke; there has been considerable interest for office building, clubs, pubs and school market sectors. This has proved to be effective against sicknesses induced by airborne organisms.

Another major advantage to this form of air conditioning is the ease with which the filters may be cleaned and maintained. As long as this excercise is carried out under regular maintenance supervision, these filters will last many years with no drop in performance.

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