Most people are aware that outdoor air pollution can damage their health but may not know that indoor air pollution can also have significant effects. Studies of human exposure to air pollution's indicate that indoor air levels of many pollutants may be 2-5 times, and occasionally, more than 100 times higher than outdoor levels.Research shows that people spend over 70% of their time indoors. For most people, health problems may be due to air pollution indoors rather than outdoors. Thus, indoor air quality (IAQ) has now become a matter of increasing public health concern.

While it is important to investigate IAQ, causes of poor IAQ can be identified as:
(1) Presence of indoor air pollutants. They are environmental tobacco smoke, bacteria and fungi, carbon monoxide and cooking fumes.
(2) Poorly designed and maintained ventilation systems give rise to health problems, commonly known as Sick Building Syndrome. As buildings today become more tightly sealed to conserve energy the problems of indoor air pollution increase, outdoor air not only is kept out, but indoor air is also sealed in.

Common parameters of measurements regarding of IAQ, include (1) relative humidity (2) thermal comfort (3) odors and (4) carbon dioxide and oxygen. Most conventional air-conditioning system meets part but not all of design criteria for indoor air quality.

HVAC Equipment with new Air Technology for Better IAQ

The Company believes there will be a significant demand in HVAC equipment that deals with Indoor Air Quality (IAQ). By implementing innovative technology and strategic planning, the company has developed a master plan with an endeavor to become a leading manufacturer in this field.

At the beginning stage, two new lines of products will be developed and manufactured by the company:

(A) Dehumidification

The company plans to expand its production facilities and focus on manufacturing of HVAC systems that reduce the adverse effects of untreated humidity contained in ventilation air.

Hong Kong and South China cities have a high relative humidity (RH), which averages 77%. As a results of high RH there are deterioration and damage in stored commodities. Most products, machinery, components, office equipment and archives are susceptible to the effects of moisture. Steel may rust, food rots, cardboard boxes buckle, textiles grow mould, electrical components degrade, and adhesives and paints degenerate. The consequences are inevitably costly substitution, repairs, maintenance or even replacement.

A new line of products, desiccant dehumidifiers, manufactured by the Company can reduce RH to a more acceptable levels such as 50%, or as low as 1% where some manufacturing techniques stipulate it. Desiccant dehumidification is a new technology that has been practiced in Europe and in the North America and has been proven to have successful improvements not only in IAQ, but also in energy savings.

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