Vacuum Storage Tank - Sun House

Hi,

I am currently researching how to heat our future single-family house. Recently, I came across the term "solar house" and wanted to learn more about it...

There are apparently 2 alternatives for me that seem sensible to store solar heat effectively:

1. the so-called E-Tank - The heat is stored directly in the ground beneath the single-family house; here I am not sure if this makes sense, or in case of a leak (water hoses are used as in underfloor heating) I have no possibility to repair anything because it is located directly under the house’s concrete slab.

2. a storage tank - Keeps the heat at temperature over several weeks/months in a tank (thermos flask principle)

Maybe someone has experience or has already informed themselves about this topic.

I see the future in this technology... storing heat in the summer and retrieving it again in winter.

so long...

We had also considered that... Helma has one standing there in his park. The problem: the costs outweigh the benefits.