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A/C
Duct Cleaning
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Air ducts and Ventilation systems
naturally accumulate sizeable deposits of fine dust particles and other
contaminants over a period of time. These deposits
combined with the temperature and moist atmosphere within the ventilation
system often yield mould growth and bacterial colonies. Deposits of debris
can also reduce efficiency of the air conditioning system, create a fire
hazard and even cause physical discomfort by degrading the quality of the
air one breath indoors. It can result in a variety of allergy related
problems including skin rash, frequent coughs and colds, asthma and
various other allergy and bacterial allergy related diseases. To eliminate
the high risk area of infection and allergens, the AC systems is required
to be properly cleaned and sanitised. We are also competent in doing
protective fungicidal coating of internally insulated ducts.
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A/C Coils Before Cleaning
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A/C Coils After Cleaning
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Source removal is the technique used for cleaning. Special tools using air whips, rotary brushes and sometimes a Robotic vehicle with a video camera are used for cleaning and inspection.
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| Inspection
and cleaning robot |
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Air
Condition systems cleaning according to NADCA Standard. |
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Air Condition systems cleaning according to NADCA Standard. |
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EPSCO clean Air conditioning systems to NADCA standards. NADCA is the world leaders in setting cleaning standards in the USA for Air System Hygiene Specification. Our key staff have
NADCA "Air System Cleaning Specialists" certification. The standard provides qualitative and quantitative methods to measure duct debris, allowing consumers to conclusively determine the success of a HVAC cleaning project. The
NADCA Standard has been widely accepted and adapted by Japan and several European nations as the official ventilation-cleaning standard.
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| pollen |
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| mould |
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| Air
Sampling |
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Indoor
Air Quality |
| Most
of person's exposure to many air pollutants comes through inhalation of
indoor air, both because of the amount of time spent indoors and because
of the higher pollution levels indoors. According to the World Health
Organization, about one-third of new buildings worldwide are not fit for
human use to severe indoor air pollution. Important sources of chemical
indoor pollutants include, the human body and human activities, emissions
from building materials, furnishing and appliances and use of consumer
products. |
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| Sources
Of Indoor Air Pollution: |
- Dust, Pollen, Skin Particles, Dust mite
Faecal Pellets.
- Volatile Organic Compounds - VOCs.
Organic chemicals are widely used as ingredients in household
products. They are found in plants, varnishes, new carpets and wax as
well as many cleaning, disinfecting, cosmetic, degreasing and hobby
products.
- Formaldehyde- Formaldehyde is found in
most of the building materials and household products.
- Asbestos and Pesticides.
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| Sick
Building Syndrome (SBS) |
| Sick
Building Syndrome is a situation in which occupants of a building
experience discomfort and health effects that are relieved upon
leaving the building. |
| Symptoms
of Sick Building Syndrome range from repetitive headaches, cold,
respirator infections, asthma and extreme allergies. In some cases
where asbestos is present in the building, |
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main causes of Sick Building Syndrome are poor ventilation, lack of
air movement, humidity , airborne pollution, biological
contamination, and uncomfortable temperature. |
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| mould |
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Microbial
Testing |
| Samples
are taken from the area being tested by use of swabs, dip slides or
Petri Dishes and are analysed in the laboratory by trained staff. |
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| Air
Purification |
| Many
people believe in different methods to improve the quality of Indoor Air.
Some will promote ozone some will promote Ionises. Each have advantages as
well as disadvantages. We firmly believe in removal of particulates
whether they are dust particles, smoke or odours. This can be achieved by
using HEPA (High Efficiency Particle Air) Filters that are incorporated in
a portable fan housing. This type of unit removes 99.97% of particles to a
size of 0.3 microns. This includes cigarette smoke, pollen and most mould
spores. Another method is to use electronic polarising filters that
replace the filters in the A/C unit. These units are extremely efficient
without reducing air flow from the A/C unit. |
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| Odour
Control |
| Odour
can be controlled or eliminated by a variety of chemical neutralisers or
the use of zone generating equipment. Activated carbon filters also play a
part |
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| Mould
Remediation |
| Mould
spores are everywhere and given the right conditions will grow and
multiply in huge numbers. High levels of mould will cause a wide variety
of illnesses ranging from coughs, colds, allergic reactions, toxic
poisoning, respiratory problems and triggering of asthma sufferers. Mould
in the home will only grow and multiply when there is a spore sufficient
and constant moisture, a food source and an acceptable temperature for
example a leaking pipe, condensation from chilled water pipes or a/c
system will provide regular supply of moisture to enable the spore to
grow. Nature will do the rest. |
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| Dehumidification |
| High
humidity levels within a home promote unhealthy air quality by providing
the moisture required to allow mould, mildew and dust mites to grow, For
most people the air is most comfortable at around 50% Relative Humidity.
Domestic units are available to reduce humidity levels to ensure comfort.
Commercial units are also available for drying out after water spillages
or flooding. |
