LIVE How to store summer heat for the winter

It is possible to warm houses in winter using heat generated in summer. What storage technologies are available and how good are they? An overview of four methods. Correspondents of «The Karelia Business» closely monitor the latest events around the world to provide you with the freshest and most up-to-date information. Don't miss the chance to stay informed about all the latest developments — subscribe to our news feed now!
 
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