Rob Martin

Dave Way wrote:Hi, does anyone know of any existing RMHs in northern France area ( we are just north of Paris)?

How about Central France? I've got some pictures of the build on my website (it's the last item on the Gallery page: https://www.la-darnoire.com/gallery.shtml
)

Bonjour Pierre.

We're in Sologne and use absolutely no electricity at all for heating water. I've detailed our particular build on my website. Our setup is obviously larger than your 20 litre requirement, but I can confirm it works very well. Maybe you'll get some ideas from it!
Summer heating: https://www.la-darnoire.com/solar-thermal-panel.shtml
Winter heating: https://www.la-darnoire.com/boiler-stove.shtml