National US standard for solar pool heating
The Association of Pool & Spa Professionals (APSP) and the Solar Rating & Certification Corporation (ICC-SRCC) have collaborated on the first national standard for heating pools and spas with solar systems, according to a recent report on Aquatics International.
The ANSI-accredited standard — the 'Solar Pool and Spa Heating System Standard' — is meant, in part, to ensure that the work of manufacturers and on-site installers reinforces each other.
The report says that certain states within the US have developed guidelines and standards and that there are existing standards for other applications, but this is the first at a national level for the pool and spa industry. The standard acknowledges the distinction between the two industries (manufacturing and installing) and allows for degrees of customisation in a project. For example, some solar systems are sold as a complete unit and at other times they are a completely engineered customised system, so the standard aims to ensure that installation doesn't compromise individual components or other systems to which they connect, such as the circulation system. It also factors in the use of materials which will not compromise water quality or other pool and spa elements.
The writers say that the solar community knew solar well and the pool and spa community knew its area well, but there was little overlap between the two. They hope this standard will help bridge the gap.
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A national US standard for heating pools and spas with solar systems has been developed.