Renewable Energy

Smart charging at home, and more

Posted by Harm Otten in Heating, Self Sustaining, Solar energy 35 Comments »

Do you want to charge your electric car solar based, or when the electricity tariff is low? Do you want to turn on your central heating before you come home? This article describes how I realized it, and more, at low costs.
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Using a Ground Source Heat Pump System in China

Posted by Yuchen Zhang in Energy saving, Heating No Comments »

In March of 2009,  I bought a house in my hometown – Jiaxing, which is in China.  Jiaxing is located on the southeast coast line of China,  120 km  from Shanghai. The house I bought has an interior area of 250 m2 with 3 floors and a basement.  It also comes with a garden of  55 m2.  With this house,  I found an opportunity to try out a Ground Source Heat Pump system. For years I have been looking at the development of new trendy technologies.  Now I am especially interested in new and renewable energies.  By attempting to install such a Ground Source Heat Pump system in home,  my intention is to use the ground heat for basic heating, cooling and providing all of the warm water needed for living in my home.

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