Better Air-conditioning Systems for a ‘Greener’ Singapore


The renowned ambitious goals set by the Singapore government to transform at least 80 per cent of all buildings in the country by 2030 has put all the stakeholders in a inevitable environmental responsibility. Building owners and management, construction firms, and other related industrial players are striving to explore ways to achieve sustainable construction, mitigate power consumption, maximize energy efficiency, and optimize the building performance.

The ever-increasing demand of green building practices is spurring the prevalence of energy efficient solutions in the country. Building automation systems which help manage energy use and improve comfort — by efficiently controlling heating, ventilation and air conditioning (HVAC), lighting and other building systems — can in fact, help create a ‘greener’ Singapore.

Better air conditioning for an environmentally better Singapore

A study done by Building and Construction Authority of Singapore (BCA) on 36 commercial buildings found that an efficient air-conditioning system can reduce a building’s overall energy consumption by 16% per year. The 85GWh of energy saved is equal to the amount of energy used by more than 14,000 five room HDB flats in Singapore in a year. In monetary terms this amounts to savings of $22.7 million per year.

Oon Wee Chin, the Vice President for Singapore and Southeast Asia at UTC Climate, Controls and Security, on an exclusive interview with AsiaGreenBuildings shares that the two main reasons for the increase in adoption rate of HVAC in Singapore are, the increase of awareness about the cost and energy-related benefits of green technology and the enforcement from the government through related regulation. As a result, more building owners and solutions providers are adhering to the green building certifications and standards.

Tokio Marine Building – Singapore’s most energy efficient HVAC system

The installation of high technology and energy efficient HVAC products will be more widely favored by the market. A commercial building in Singapore, Tokio Marine building, uses chillers produced by Carrier. The building currently has the most energy efficient air conditioning system in the country as no other building in the past two years has been able to achieve the same energy efficiency in its central air conditioning system which reaches 0.508 ikW/RT. The building equipped with energy efficient chillers approximately achieves 20 to 40 percent higher performance than similar products in the market today.

Will better air-conditioning be the next regional trend in the future?

Almost all building segments within Singapore in particular are adopting highly efficient HVAC systems; led in particular by the commercial market. Accounting for 50 per cent of building’s energy consumption, better use of air conditioning can significantly affect building’s performance and its environmental impact.

Asia is currently the largest and fastest growing construction region. According to the Asia Construction Outlook report by AECOM Construction, almost half of total global construction spending will be from Asia by the year of 2020. However, the industry analysts are positive about the global growth of the HVAC and building automation systems sectors, with Asia in particular showing higher growth rates. ( – SA)

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