Originally Posted by AC_Hacker
Speaking of which, as I recall, you are doing solar + GSHP. Here is a paper
on the subject by one of your countrymen.
That "natural convection heat exchanger" is pretty danged neat!
I'm wondering if I could just use a high & low tap off the back of my storage,
connected to my little HX.?.
Might be a good way to go, since a big pump would pull down the temp
of the HX pretty fast, if the storage water was too cool..
And natural convection would save complexity and kWhs..