A quality lighting design takes into account the aesthetic, biological, and task performance requirements of the users. The color of finish surfaces plays a large role in the lighting environment,...

The process of avoiding heat can employ some of the same principles as retaining heat—including insulation and a tightly sealed building envelope. There are also other methods to help keep...

Heat retention is simply the process of keeping heat in the building. Heat is produced in buildings by many sources—both internal and external. Internal sources include body heat from occupants,...