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This new technology allows the window to accept or reject external radiation from the sun, the sky, and ground reflections for optimal heating and cooling of the interior of build
About
Louvered Solar Windows and Skylights BSU File Reference #125 Abstract The design of windows and window materials has progressed from simple single layer glass panes held together with wood and glazing materials, to multi-pane radiation film-coated glasses to reduce heat loss and accept or reject solar and infrared radiation. On average, windows account for somewhere between 20% and 30% of a building's energy loss. As homes become larger, the total amount of heat loss increases. On the current path of "improved" window development, compromises have resulted in windows that work well in certain climates and only during certain times of a year. In effect the window design solutions have become part of the problem. What is needed is a window that rejects solar energy during the hot season and accepts solar energy during the cold season, while allowing visible light to transmit through the windows during all seasons. Boise State University has developed a pane system that can be used in a window or skylight to prevent the undesired loss, or gain, of solar energy. This new technology allows the window to accept or reject external radiation from the sun, the sky, and ground reflections for optimal heating and cooling of the interior of a building. In the acceptance mode, the radiant energy can be directed to specific areas on interior walls to either preheat HVAC return air or fluids, or store the radiant energy within a thermal energy storage material strategically placed in an interior wall across from the transmitting window. This technology also opens a new opportunity to generate a better film to further filter the transmission of human eye visible light spectra to a narrower bandwidth, providing greater blocking of solar heat when necessary. Boise State University has several additional features are under consideration for these windows to fully take advantage of their thermal benefits including controls, invisible seams, and thermal storage. Advantages • Solar radiation is controlled for optimal building heat transfer • No new materials required • Potential for retrofit to existing market • Potential for “directed” solar energy Boise State is looking for a Licensee, sponsor or development partner for this technology.