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The North American Board of Certified Energy Practitioners (NABCEP) is a nonprofit professional certification and accreditation organization that offers both individual and company accreditation programs for photovoltaic system installers, solar heat installers, technical sales, and other renewable energy professionals throughout North America. [1]
The history of the Vaillant Group dates back to 1874, when Johann Vaillant set up a master fitter's business. In 1894 Johann Vaillant patented a new "closed-system" gas-fired bathroom boiler. [3] This was the first device that made it possible to heat water hygienically, without contaminating it with combustion gases.
Obtaining a certificate is voluntary in some fields, but in others, certification from a government-accredited agency may be legally required to perform certain jobs or tasks. Organizations in the United States involved in setting standards for certification include the American National Standards Institute (ANSI) and the Institute for ...
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The ease of installation and a potent mix of government policies to encourage adoption have made the wee arrays hugely popular. More than 550,000 of them dot cities and towns nationwide, half of ...
A certification listing is a document used to guide installations of certified products. After a field installation is completed, it is compared to the list to make sure that it complies with a regulation (e.g., a building code).
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Antonio Pascual Mateo was hanging lights on the property and around a tree outside a client’s home in Escondido, Calif. when he threw the string of lights over a powerline.