The term "buffer room" refers in this context to spaces built between thermally, visually, and acoustically "controlled" indoor rooms and the "no controllable" outdoor environment. Examples of buffer rooms are sunrooms, atria, (enclosed) staircases, and air locks. In a long-term research effort carried out in Austria, buffer rooms were studied with regard to their hygrothermal and acoustical performance within a human-ecological framework.
Optimization of solar energy use for low-energy residential houses in Japan is proposed in order to design rational solar energy systems, it is important to recognize the structure of energy consumption of the residential houses as well as the climatic conditions of the region. Using statistical data obtained from an energy survey of residences in Japan, it has been found that the three major portions of purchased energy are space heating, domestic hot water heating, and household appliances (including lighting and cooking).
The National Building Code 1985 identified the need to control movement of air through the exterior walls of buildings. The upcoming 1995 National Building Code has now placed recommendations on the amount of allowable leakage.
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