Techno-economic evaluation of roof thermal insulation for a hypermarket in equatorial climate: Malaysia

Sau Wai Lee, Chin Haw Lim, Seong Aun Chan, Kok Leong Von

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

One of the effective measures to save cooling energy in countries with an equatorial climate like Malaysia is through the use of roof thermal insulation. This paper focuses on the economic evaluation of commonly used thermal insulation solutions for a typical hypermarket roof in Malaysia. Eight commonly used thermal insulation systems have been identified and evaluated. In order to find the most cost-effective thermal insulation measure, three types of economic evaluation methods i.e. life-cycle savings, discounted payback period and internal rate of return have been used. All the eight thermal insulation systems were ranked accordingly to these three methods It has been found that insulation system using small bubble aluminium foil ranked first with the highest life-cycle savings, internal rate of return and the shortest payback period. Sensitivity analyses have also been carried out to identify the effects of changes in the key parameters for example cost of capital and lifetime period have on the evaluation results. The analyses show that small bubble aluminium foil is least susceptible to fluctuation of these two parameters relative to other examined insulation materials.

Original languageEnglish
Pages (from-to)209-223
Number of pages15
JournalSustainable Cities and Society
Volume35
DOIs
Publication statusPublished - 1 Nov 2017

Fingerprint

Thermal insulation
Roofs
roof
Malaysia
climate
life cycle
Economics
savings
Aluminum foil
evaluation
economics
insulation
bubble
Insulation
Life cycle
costs
aluminum
fluctuation
energy
cost

Keywords

  • Aluminium foil
  • Equatorial climate
  • Roof thermal insulation
  • Techno-economic evaluation
  • Thermal conductance (U-value)
  • Thermal resistance (R-value)

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Transportation

Cite this

Techno-economic evaluation of roof thermal insulation for a hypermarket in equatorial climate : Malaysia. / Lee, Sau Wai; Lim, Chin Haw; Chan, Seong Aun; Von, Kok Leong.

In: Sustainable Cities and Society, Vol. 35, 01.11.2017, p. 209-223.

Research output: Contribution to journalArticle

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