freeze protection

• The Skinny: Solar Power for Domestic Hot Water and Heat (2006)-

  This fact sheet was created by The Center for Resource Conservation in Boulder, Colorado. It provides an overview of how solar thermal water heating works and the benefits of using such a system to residents of Colorado.

  The information provided is targeted at residents of Colorado and surrounding areas, so the focus of the fact sheet is on how a closed-loop freeze protection system works. The fact sheet notes that this kind of system can be used for both domestic hot water and heating.

• Solar Water Heating in 2009-

  This fact sheet was created by the Solar Energy Industries Association (SEIA), which is a solar energy industry trade association in the United States. It provides information on solar water heating in industrial, residential, and commercial applications.

• South Africa: Freezing Cold destroys several 100 Solar Thermal Systems-

  In the middle of June, during the World Cup in South Africa, the significant drop in temperature around Johannesburg did not only cause some football players to catch a cold in the meantime, but one of these frosty winter nights also destroyed several hundred solar systems in the region.
  Source: http://de.fifa.com

• Evaluation of Packaged Solar Domestic Hot Water Systems for North Carolina (1999)-

  This document from 1999 was prepared by the North Carolina Solar Center (NCSC) and evaluates solar hot water systems appropriate for North Carolina to help expand the industry. Specifically, it evaluates which systems are well suited for North Carolina single family homes, including a description of each system’s economic and environmental benefits.