Comparative study of the indoor air quality of naturally ventilated and air-conditioned bedrooms of residential buildings in Singapore

Wong, Nyuk Hien; Huang, Bernard

doi:10.1016/j.buildenv.2004.01.024

Cited by 112 publications

(53 citation statements)

References 5 publications

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“…Furthermore, and perhaps most importantly, pollutants with indoor emission sources must be considered in homes with low air-exchange rates. As a regionally specific example, Wong and Huang [56] report considerable accumulation of carbon dioxide in air-conditioned Singaporean bedrooms, owing to human occupancy and low air-exchange rates, indicating a potential for the simultaneous accumulation of other air pollutants with indoor sources. Finally, increased household air-conditioning usage will increase building energy demand, an important consideration in Singapore, where the building stock accounts for approximately half of the country's total electricity use [57].…”

Section: Effect Of Household Ventilation Conditionmentioning

confidence: 99%

Exposure to particulate matter and ozone of outdoor origin in Singapore

Gall

Chen

Chang

et al. 2015

Building and Environment

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a b s t r a c tEstimates of population exposure to ambient air pollution traditionally rely on concentrations measured at central-site monitors as a surrogate for concentrations to which people are exposed. In this study of Singapore, we estimate population-averaged exposure concentrations for PM 2.5 , PM 10 , and O 3 by applying a model and data that account for age and gender demographics, intraurban regional variability, and microenvironmental effects with age-and gender-stratified time-activity budgets. The study addresses exposure only to air pollutants of outdoor origin. Spatially averaged midpoint estimates of lifetime ambient exposure concentrations are 59%, 52%, and 47% of outdoor concentrations for PM 2.5 , PM 10

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Section: Effect Of Household Ventilation Conditionmentioning

confidence: 99%

Exposure to particulate matter and ozone of outdoor origin in Singapore

Gall

Chen

Chang

et al. 2015

Building and Environment

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“…The process to create an acceptable interior micro-climate can be conducted basically by two sides: ventilation to achieve a good air quality and heating or cooling inside air to have a thermal comfort. It is relatively easy to control mechanical ventilation systems to maintain the best air exchange rate (Wong |& Huang 2004, Ho et al 2011, Paul et al 2010, Laverge et al 2011. However, the mechanical ventilation and air-conditioning of buildings are responsible for a lot of non-renewable fossil-based energy consumptions in the world.…”

Section: Low-energy Buildingsmentioning

confidence: 99%

Indoor Air Quality and Thermal Comfort in Naturally Ventilated Low-Energy Residential Houses

Krzaczek¹,

Tejchman²

2012

Air Quality - Monitoring and Modeling

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“…Natural ventilation keeps the air moving within the indoor environment and, therefore, keeps the inhabitants cooler even without the use of energy. Wong and Huang [11] made a comparative study on the indoor air quality of naturally ventilated and air-conditioned bedrooms of residential buildings in Singapore. They observed that CO2 levels of bedrooms using air conditioners are consistently higher than those utilizing natural ventilation.…”

Section: Natural Ventilationmentioning

confidence: 99%

Passive design strategies for residential buildings in a hot dry climate in Nigeria

Akande

2010

WIT Transactions on Ecology and the Environment

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The hot dry climatic zone of Nigeria is characterized by a period of high temperature and low relative humidity between February and May. Between these months, the daily mean maximum indoor temperature of most buildings is about 37ºC with low indoor air velocity. A study of residential buildings in Bauchi state, Nigeria shows that most occupants of the buildings have persistent and growing problems with the indoor environment due to high indoor temperature. Most buildings are characterized by poor design in relation to the climate, which requires a great deal of energy for cooling during climatic extremes. Other problems are poor natural ventilation, inadequate surfacevolume ratio and poor building orientation. This has led to negative consequence that affect the occupant's physiological comfort, capacity for mental and physical work, health and leisure. This paper identifies passive design strategies that can be adopted in this climatic region to minimize the use of energy for cooling, improve occupant's comfort and enhance low energy architecture. The objective is to reduce overdependence on electricity demand and energy use in residential buildings. The result of the study shows that adopting certain passive design strategies through appropriate selection of building materials, proper building orientation, adequate natural ventilation and application of some design elements can provide natural cooling and reduce the energy used for cooling in the buildings. The paper concludes that this will limit the energy demand for cooling and will also result in an adapted architecture to the climatic environment, which will encourage innovation design solutions for building professionals in a hot-dry climate.

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Comparative study of the indoor air quality of naturally ventilated and air-conditioned bedrooms of residential buildings in Singapore

Cited by 112 publications

References 5 publications

Exposure to particulate matter and ozone of outdoor origin in Singapore

Exposure to particulate matter and ozone of outdoor origin in Singapore

Indoor Air Quality and Thermal Comfort in Naturally Ventilated Low-Energy Residential Houses

Passive design strategies for residential buildings in a hot dry climate in Nigeria

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