Experimental investigations concerning energy savings achieved in buildings with passive solar components (e.g. large south-front windows, sunspaces or Trombe walls) have already been effected under test conditions. Since, however, the influence was found to be a very strong one, the main purpose of the present project was to analyze inhabitants' acceptance and use of various components like shading devices, moveable heat insulation, manual ventilation, room temperatures, and heating systems.
Building codes that address radon control in residential buildings are a relatively new development in the larger trend toward increased efforts to understand and control indoor air quality. A residential radon construction standard has been developed in the Pacific Northwest region of the United States. The Northwest Residential Radon Standard (NRRS) seeks to provide a measured public policy response that is commensurate with current knowledge of both the health risk and the state of building science.
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