ABSTRACT

Thermal comfort is  recognized as a key parameter for healthy and productive large workspaces found in office buildings. Achieving occupant's comfort is a priority that has a great effect on energy demand in buildings, particularly in hot climate zones. The study aims at investigating a suitable aspect ratio of building form that will reduce the costly effects of providing thermal comfort to occupants in buildings in a hot-dry climate of Nigeria.

A  case study approach was adopted to study the geometric properties of existing similar office buildings which were chosen purposively and a     quantitative research method was used for the collection of data through computer simulation. Firstly, the study examined the thermal performance of different building forms with the same floor area against their volume to surface ratio (V/S). Forms with good thermal performance were optimized with different aspect ratios elongated along east-west orientation. ECOTECT program was used to study the energy performance of the forms on exposed surfaces.

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