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New Zealand: Over 35 Years of Steel Absorber Collector Production

Submitted by Baerbel Epp on December 19, 2016
Arthur WilliamsonFor more than 35 years, Thermocell collectors have been exclusively manufactured in New Zealand. Developed and commercialised in the late 1970s by Professor Emeritus Arthur Williamson from the University of Canterbury, these patented collector types have been produced in Christchurch ever since. In the peak years of 2005 and 2006, about 12 staff worked for Thermocell in administration, production and installation. As New Zealand’s solar thermal market has declined significantly over the past ten years, only two of those people are left today. “Arthur developed a reliable technology and we are maintaining systems which are more than 30 years old,” confirmed Ian Johns, General Manager of Sunstream Solar, a Thermocell collector reseller and installer from Christchurch. The photo shows Williamson in front of a “heat sheet”, the unique feature of Thermocell systems.
Photos: University of Canterbury / Sunstream Solar
 

Integrated Unglazed Solar Panel Development (2010)

Submitted by Raquel Ponte Costa on November 24, 2011

This is a presentation of the research done by the Environmental Energy Solutions Ltd. for the development and testing of their prototype solar heat system. The particularities consisted in the large, low cost solar collector integrated into the roof or wall cladding system and its integrated water sourced heat pump and thermal storage system. A prototype was installed on a house in Wellington, providing year-round performance data. This report was done with the support of the New Zealand Energy Efficiency and Conservation Authority.

Case Study: Dairy Farmers Milk Free Energy (2009)

Submitted by Raquel Ponte Costa on November 7, 2011

This case study is the result of a partnership between New Zealand’s Energy Efficiency and Conservation Authority (EECA), the country’s dairy farmers and technical experts, showing the benefits of solar water heating and waste heat recovery systems used to reduce energy costs.

A Guide to Buying Solar Water Heating (2009)

Submitted by Raquel Ponte Costa on October 28, 2011

Because of the climatic conditions of New Zealand and the positive impact of solar water heating technologies the country’s authorities encourage the use of this type of installations. This resulted in the issuing of a free guide by the country’s Energy Efficiency and Conservation Authority (EECA).

New Zealand Report:An Inspection of Solar Water Heater Installations (2007)

Submitted by Raquel Ponte Costa on February 5, 2010

The New Zealand Energy Efficiency and Conservation Authority (EECA) and Building Research commissioned BRANZ to undertake an independent research study on the quality of solar water heaters in New Zealand, in terms of installation quality, energy performance and durability.

Conclusions of the study point out that in terms of quality, the systems analysed are very diverse, which denotes that there is still some issues in the application of standard practices.

New Zealand: 300 m2 for a new Swimming Pool Complex

Submitted by Baerbel Epp on January 31, 2010

 Installers from New Zealand” The dream team: This team of installers from New Zealand-based company Solar Technology Systems needed only a few days to install 300 m2 of vacuum tube collectors on the roof of a swimming pool complex.
Photo: Solar Technology Systems

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