Porsche Centre – Kuala Lumpur


Project Location:

Sungai Besi, Kuala Lumpur, Malaysia


As an effort to improve the thermal comfort in the workshop, an inde­pendent environmental study was commissioned by Sime Darby Auto Performance. The study revealed that the daytime temperature in occupied areas of the workshop routinely exce­eds 32°C, and the 650 square meters’ workshop in the Porsche Centre Sg Besi is under-ventilated. High radiant temperature of the workshop’s surroun­dings (roads, roofs and dark cladding of the building) ruled out the use of a mechanical ventilation to maintain a reasonable working condition.

The stu­dy recommended to adopt measures to improve the thermal comfort, whi­ch included increasing the air velocity with big ceiling fans, installation of additional louvers, and also air condi­tioning the workshop. The option of Air Conditioning was excluded due to the high initial invest­ment and high running costs.

Solution: Climate Wizard indirect evaporative cooling system – stand alone / spot cooling

Although an indirect eva­porative cooling system of this type had never been installed in Malaysia, the management decided to in­stall this innovative cooling concept. IETCO Sdn Bhd, a product specialist company focusing on energy saving so­lutions, and official distributors of Se­eley International products in Malay­sia, evaluated a possible installation, with the cooperation of Mauro Ercoli, Seeley International Sales Manager responsible for the area. After a few surveys, the experts calculated that an Indirect Evaporative Cooling System based on a counterflow heat exchan­ger (like Climate Wizard) would grant an estimated supply air temperature of 25-26°c into the workshop. They eva­luated the need of 5 Climate Wizard H15S (Supercool Series), in order to obtain this result.

Convinced of the efficiency of the sy­stem, the Management commissioned the project to IETCO Sdn Bhd, provi­ded that the system would have result in an ambient tempera­ture in the workshop of 28 ± 1°C. IETCO Sdn Bhd worked on integra­ting the ductwork for the new cooling system into customized workstations of the workshop. The target was to keep the changes to minimum and integrate the system as much as possible. During the first trial after the installa­tion, starting from an outside tempe­rature of 35°c and 49% RH, the five Climate Wizard installed provided a supply air temperature of 23.5°c, which is well below the tempe­rature targeted by the client. Commissioning was made on 20th February 2017 together with Seeley International Engi­neer, Johan Vel­leman.

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