Hot water producing method for e.g. private household, involves heating water using tar, which is heated by solar radiations, where water in buffer storage is heated for immediate use and water in earth storage is heated for later use
摘要
<p>The method involves inserting tar into flat pipelines. Water is pumped through the flat pipelines. The water is heated by the tar, which is heated by natural solar radiations, where the water in the buffer storage is heated for immediate use and the water in the earth storage is heated for later use.</p>
