Category:Solar water heating
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English: Solar water heating (SWH) systems used to comprise several mature renewable energy technologies which have been accepted in most countries for many years. SWH has been widely used in Israel, Australia, Japan, Austria and China.
This category has the following 3 subcategories, out of 3 total.
Media in category "Solar water heating"
The following 11 files are in this category, out of 11 total.