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Solar heat in 10 Mexico City hospitals

Submitted by Baerbel Epp on August 27, 2018
Mexico City has invested Mexican Peso (MXN) 14.7 million – about EUR 672,000 – in bringing solar water heating to 10 public hospitals via PACCM, its Climate Action Programme 2012-2020. The aim is to reduce fuel consumption by 35 % to save MXN 4 million and 446 tonnes of carbon dioxide equivalent, or CO2eq for short. After six months, the systems totalling 1,176 m2 of collector area have already contributed over 50 % to the estimated emission savings per year. The photo shows the installation at Dr Belisario Domínguez Hospital with 276 m2
Photo: Módulo Solar

Solar Water Heating Therm – inology! (2011)

Submitted by Raquel Ponte Costa on May 31, 2015

This presentation was created by Tim Merrigan of the US National Renewable Energy Laboratory and was first presented at the 2011 USH2O Annual Meeting. It focuses on clearing up and defining some widely, and often loosely, used terms in the world of solar thermal heating relating to system names and official standards. The author of the presentation focuses on the term “open loop”, stating that people often misunderstand that an open loop system can be accurately referring to a closed direct system, and that open always means that a system is open to the atmosphere.

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