• April 19, 2026
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“Security Measures Make Vacuum Tube Collector Systems More Expensive”

“Security Measures Make Vacuum Tube Collector Systems More Expensive”

Marek Szymanski, technical department manager of the Polish collector manufacturer Watt, spoke with solarthermalworld.org about the problems they had with the vacuum tube collectors in the beginning. Photo: Watt …
estec2009 conference”

Dynamic Growth Throughout the European Solar Thermal Sector

Estec2009 – a meeting point for solar thermal experts in Europe: Around 400 representatives of associations, as well as manufacturers, politicians and researchers discussed trends, potentials and obstacles of the solar thermal sector. Photo: Bärbel Epp …
Solar obligation by the state of Rio de Janeiro, Brazil

Solar obligation by the state of Rio de Janeiro, Brazil

The state of Rio de Janeiro is the front runner in terms of solar building codes on a state level. In January 2008, its state government approved a law that makes the installation of solar water heating systems mandatory for public buildings …
Solar Obligation by the Municipality in São Paulo

Solar Obligation by the Municipality in São Paulo

The huge city of São Paulo, with its approx. 19 million inhabitants, approved the first solar obligation on a municipality level in July 2007. Solar water heaters have since become mandatory in a wide range of new residential and non-residential buildings …
collective system in Paris”

Collective Systems on the Rise in France

The segment of collective systems shows high growth rates in France: The main factor behind this growth are the incentives paid by Ademe, the France Energy Agency. The investment for the solar thermal system on top of this multi-storey building in Paris was €353,000 of which 39 % were subsidised …
A Solar Field of 7,350 m2 - and a Heat & Power Plant

A Solar Field of 7,350 m2 – and a Heat & Power Plant

The quickest installation possible: It took only one month to set up the 525 flat plate collectors, each with a 14 m2 surface, in the open countryside. The 7,350 m2 solar thermal system feeds the district heating system of the Danish town of Tørring. Photo: Sunmark …
Portugal: Incentive Programme with Obstacles

Portugal: Incentive Programme with Obstacles

At the moment, the most important factor for the sales success in Portugal is to either be able to join the incentive programme – or to be left out of it. Only seven companies acquired the programme’s membership so far (as of mid-May): The three Portuguese brands Norquente, Openplus and …
Antarctic Polar Station with a German Solar Thermal System

Antarctic Polar Station with a German Solar Thermal System

Producing heat in the cold climate of the Antarctic: The vacuum tube collectors from the German manufacturer Consolar cover the entire heating demand of the first emission-free polar research station, called Princess Elisabeth. Photo: Consolar …

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