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How to store and use summer heat in winter [View all]
Winter heating is energy-intensive, but it is possible to save up warmth over summer and release it over winter.
Several seasonal heat storage systems are already in use.
In Marstal, Denmark, for example, a large, covered reservoir is heated with solar thermal collectors in summer. In winter, the reservoir produces enough warmth to cover half of the heating requirements of around 2,000 residents.
https://www.dw.com/en/sustainable-heating-how-to-store-and-use-summer-heat-in-winter/a-69116111
Several seasonal heat storage systems are already in use.
In Marstal, Denmark, for example, a large, covered reservoir is heated with solar thermal collectors in summer. In winter, the reservoir produces enough warmth to cover half of the heating requirements of around 2,000 residents.
https://www.dw.com/en/sustainable-heating-how-to-store-and-use-summer-heat-in-winter/a-69116111
Solar for solar's sake. What's "possible" isn't always practical.
The thermodynamics, complexity, and cost of these schemes should be compared to modern heat pumps.
Curiously, the article itself mentions the use of heat pumps.
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