In this concluding portion of his two-part article, Aslan Al-Barazi focuses on solar water heating systems and general design guidelines

Solar water heaters are sustainable alternatives to traditional heaters. However, a better understanding of their system design and safety measures will yield optimum performance efficiency and prevent potential hazards, says Aslan Al-Barazi, who provides detailed guidelines in this two-part article.

Heat exchangers represent the most basic yet fundamental feature of any air conditioning and refrigeration process. Still, this market segment is often overlooked. Valeria Camerino sheds some light on the latest trends, technologies and applications for this key HVACR component.

Method used to produce ultra-pure water at reduced capital costs and energy use

It is possible to generate energy using waste heat and waste water and supplying it through large-scale heat pumps running on natural refrigerants. Here is an insight into how the environmentally friendly process has worked in a few major district heating and cooling projects.