this post was submitted on 29 Sep 2024
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The question is: is it efficient enough during the cold season? Cyprus, situated in the middle of the Mediterranean heat reservoir and with plenty of daylight during the off season seems to be well situated.
As for the need: I'm from up north, our houses are built to keep heat inside as that is most positive for our energy consumption. In the south, houses try to limit the need for cooling. The effect of which became very clear to me when I went to the Mediterranean in November. Heating? Yea please.
So I actually have experience with these in the north of Sweden - they are definitely more efficient in summer, but do provide some amount of hot water as well in winter on days with clear sky (of which there are few).
On the topic of using this for heating in the Mediterranean - I don't think that's where you want to invest, installing underfloor heating in one of those houses. That will cost some serious money. It's probably wiser to spend it making the home less prone to get cold/hot using insulation in that case. I will admit to being out of my depth when it comes to optimizing buildings for hot climates though
As with all heating relying on water for energy transport, absolutely when building new buildings, but will cost an arm if you add it in a remodeling.
As for solar capture in Sweden, there are a few places that try to store heat in sandpits, among others a high school in Stockholm. And on that subject the Finns must be mentioned😊 Will be interesting to follow!