The Impact of Floor-to-Ceiling Height on Human Comfort

Creating a comfortable environment is one of the most important parameters to be considered when designing buildings. Human comfort condition is investigated by many researchers from different points of view. In this paper, the effect of changes in floor-toceiling height on comfort condition in a certain indoor thermal condition is investigated. Changes in net height have been discussed in details from thermal, energy, economical, architectural, safety and other related perspectives in previous studies and Results are published in organized forms or as standards. However, what emphasized in this research is people’s feeling of comfort. The investigation carried out in a laboratory with adjustable ceiling height designed for the test. People's opinion on comfort satisfactory is collected and results are presented. It is possible to take advantage of the findings to suggest the optimum height for common urban residential units in Iran.