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Solar energy is clean and renewable. Solar architecture is designing buildings to use the sun's heat and light to maximum advantage and minimum disadvantage, and especially refers to harnessing solar power. It is related to the fields of optics, thermics, electronics and materials science. Both active and passive strategies are involved.
The most recent approaches to solar design use computer modeling tying together solar lighting, heating and ventilation systems in an integrated solar design package. [76] Active solar equipment such as pumps, fans, and switchable windows can complement passive design and improve system performance.
Active solar techniques include the use of photovoltaic systems, concentrated solar power, and solar water heating to harness the energy. Passive solar techniques include designing a building for better daylighting, selecting materials with favorable thermal mass or light-dispersing properties, and organize spaces that naturally circulate air.
Active daylighting is a system of collecting sunlight using a mechanical device to increase the efficiency of light collection for a given lighting purpose. Active daylighting systems are different from passive daylighting systems in that passive systems are stationary and do not actively follow or track the sun. [ 32 ]
TRNSYS is a simulation program primarily used in the fields of renewable energy engineering and building simulation for passive as well as active solar design. TRNSYS is a commercial software package developed at the University of Wisconsin.
There are two types of solar water systems: active and passive. An active solar collector system can produce about 80 to 100 gallons of hot water per day. A passive system will have a lower capacity. [22] Active solar water system's efficiency is 35-80% while a passive system is 30-50%, making active solar systems more powerful. [23]
The study of solar power and solar design by the architectural engineering, architecture and building engineering professions, with applications in construction and building design The main article for this category is Solar design .
Levine's Raven Run Solar House (1974) was the first to combine passive solar building design and active solar systems with earth tubes, an attached greenhouse, super insulation, "sundows," and a patented air collection system. Recognized as being ahead of its time, the house continues to be published today.
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