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  • Solar air conditioning

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    Solar air conditioning refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, solar thermal energy conversion and photovoltaic conversion (sunlight to electricity). The U.S. Energy Independence and Security Act of 2007 created 2008 through 2012 funding for a new solar air conditioning research and development program, which should develop and demonstrate multiple new technology innovations and mass production economies of scale.

  • Photovoltaic system

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    inverter and other BOS components in Vermont, U.S.Solar array on rooftop in Hong KongBIPV on balcony in Helsinki, Finland rooftop system in Boston, United Statessolar park in the United Kingdom tracker with CPV modules in Golmud, ChinaTopaz Solar Farm, one of the world’s largest PV power station, as seen from space Large commercial flattop systemSolar farm at Mt. Komekura, JapanPV system on Germany's highest mountain-top Photovoltaic power systems and components:Top: solar string inverter and other BOS components Solar array on rooftop in Hong Kong, China BIPV on balcony in Helsinki, FinlandMiddle: rooftop system in Boston, United States Westmill solar park in the United Kingdom Dual axis tracker with CPV modules Topaz, one of the world’s largest solar power station, as seen from spaceBottom: commercial rooftop PV system of about 400 kWp Power plant on Mt. Komekura, Japan Solar PV system on Zugspitze, Germany's highest mountain-top A photovoltaic system, also PV system or solar power system, is a power system designed to supply usable solar power by means of photovoltaics.

  • Testing, adjusting, balancing

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    HVAC Testing, Adjusting and Balancing (TAB) are the three major steps used to achieve proper operation of HVAC (heating, ventilation, and air conditioning) systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service. In general, the TAB specialist performs air and hydronic measurements on the HVAC systems and adjusts the flows as required to achieve optimum performance of the building environmental equipment. The balancing is usually based upon the design flow values required by the Mechanical Engineer for the project, and the TAB contractor submits a written report which summarizes the testing and balancing and notes any deficiencies found during the TAB work. Many times facility managers will use a TAB contractor to assist in identifying preexisting or common issues with a facility. While not necessary to be a TAB contractor, many contractors tend to hold professional air balancing certifications.

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