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2. Photovoltaic mounting system - Wikipedia

   en.wikipedia.org/wiki/Photovoltaic_mounting_system

   As the relative costs of solar photovoltaic (PV) modules has dropped, [3] the costs of the racks have become more important and for small PV systems can be the most expensive material cost. [4] This has caused an interest in small users deploying a DIY approach. [5] Due to these trends, there has been an explosion of new racking trends.

3. VELUX - Wikipedia

   en.wikipedia.org/wiki/VELUX

   A pair of VELUX skylights, GGL-7 center-pivot roof window (forward) and FS2 fixed Skylight (above) installed in a cathedral ceiling. VELUX has 21 production sites in 12 countries and sales companies in 37 countries. [4] The VELUX Group employs 11,900 employees worldwide.

4. Building-integrated photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Building-integrated...

   2009 Energy Project Award Winning 525 kilowatt BIPV CoolPly system manufactured by SolarFrameWorks, Co. on the Patriot Place Complex Adjacent to the Gillette Stadium in Foxborough, MA. System is installed on single-ply roofing membrane on a flat roof using no roof penetrations. BAPV solar façade on a municipal building located in Madrid .

5. Skylight - Wikipedia

   en.wikipedia.org/wiki/Skylight

   Solar tubes, sun tunnels, or tubular skylights consist of a roof-mounted fixed unit skylight element, condensing sunlight, distributed by a light conveying optic conduit to a light diffusing element. [3] Being small in diameter, they can be used for daylighting smaller spaces such as hallways, and bounce light in darker corners of spaces. TDDs ...

6. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   Light tubes (also known as solar pipes, tubular skylights or sun tunnels [1]) are structures that transmit or distribute natural or artificial light for the purpose of illumination and are examples of optical waveguides.

7. Passive solar building design - Wikipedia

   en.wikipedia.org/wiki/Passive_solar_building_design

   A roof pond passive solar system, sometimes called a solar roof, uses water stored on the roof to temper hot and cold internal temperatures, usually in desert environments. It typically is constructed of containers holding 6 to 12 in (150 to 300 mm) of water on a flat roof.