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Industry Organizations

To ensure that water heating equipment meets the DOE efficiency standards as well as any mandated safety requirements, many organizations exist for the purpose of establishing testing standards and subsequently testing and certifying manufacturers' equipment to those standards. Some of the largest and most respected are ASTM, Underwriters Laboratory (UL), Canadian Standards Association (CSA) and GAMA. Many of these organizations work to develop standards and test equipment that is marketed not only in America but also around the globe. Some also have groups that work to develop the standards and separate branches to test products to the standards they developed. The work of standards developing and testing organizations is guided and accredited by the American National Standards Institute (ANSI).

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