Indoor Environmental Quality (IEQ) in Nigerian Tertiary Institutions: The Effect on Performance of Building Technology Lecturers

Abstract

Purpose: This study aimed to examine the Effect of Indoor Environmental Quality (IEQ) on the Performance of Building Technology Lecturers in Nigerian tertiary institutions. Methodology: Three research questions guided the study in which survey research design was used. The entire population of the study was 216, comprising 84 building technology lecturers and 132 higher technical officers from six tertiary institutions in Nigeria. A 38-item questionnaire was used for data collection. The instrument was validated by three experts. Cronbach’s Alpha reliability method was used to determine the internal consistency of the instrument at a coefficient of 0.89. A total of 216 copies of the questionnaire were administered and 210 copies were retrieved, representing a 92% return rate. The data collected was analyzed using mean, standard deviation and t-test. Results: The study found out that there exist 5 items on how the indoor air quality (IAQ) affect building technology lecturers’ performance in Nigerian tertiary institutions, 5 items on how thermal comfort affect building technology lecturers’ performance in Nigerian tertiary institutions, 7 items on how building acoustics affect building technology lecturers’ performance in Nigerian tertiary institutions and 6 items on how ergonomics affects building technology lecturers’ performance in Nigerian tertiary institutions. The study also found 6 items on challenges of installing Indoor Environmental Quality (IEQ), facilities and 10 items on the ways of providing and improving Indoor Environmental Quality (IEQ), in Nigerian tertiary institutions. Practical Implications: Lecturers’ role on monitoring and maintenance of IEQ in offices could be enhanced through appointment of Desk officer in each faculty of the tertiary institutions. The Desk officer will liaise between the lecturers and maintenance unit of the institutions on IEQ issues. Originality/Value: The study concluded that improved indoor environmental quality has a tremendous impact on lecturer’s performance, comfort, workspace utilization and overall productivity.

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