lilian07 will do it, switch to free, perpetual, pollution-free heating in use, an old large castle house, thermal chasm at more than 200kWh/m2 thermal, even already insulated with heat pump!! https://www.econologie.com/forums/inter-seasonal-storage-of-solar-thermal-t14320-180.html...

The Eiffel Tower is still horrible !!

As useless, taking up space, with that of emptiness, but it remains a symbol of the beginning of the modern era of useful skyscrapers (uh) so very different!

A concrete example without its manual taken at random: http://www.cablematic.fr/produit/Onduleurs-On_hyphen_line-en-6-KVA-Galleon-rack-19-avec-le-GNL/ " On-line inverter description in 6 KVA Galleon rack 19 with LNG UPS online manufacturer Voltronic Galleon series.Model with capacity of 6 K...

Put a lot of info on what is problematic: site and model manufacturer, detailed instructions, manufacturer and seller, because a detailed examination in details can reveal unnoticed difficulties !! Otherwise a sure answer without risk of errors almost impossible !! Stay too vague in a project ...

Corrugated steel plate same thickness 0.63 mm but corrugation closer together. new m²) https://www.econologie.com/fichiers/partager3/1449932560N5fin...

I think that the undulations are not tight enough at first sight ..... not 35 cm seems too high unless the conduction is increased but with a ladle I doubt that PE transmits more than 200W / ml in the water even with a superb interface.... this is calculated with 1mm=0,001m of thickness (u...

Preliminary reactions: "double-walled polycarbonate (4mm for the moment)" provides thermal insulation vaguely close to double glazing (4mm plus about 1cm of air max in boundary layer, if no strong wind), unknown, loss of light output , to test. Otherwise, 43mm of bumps co...

"I find a way to transfer the heat from the steel tank to the water in the PE and there I don't really know which interface to choose....." in principle there is no problem, you have to calculate with dimensions and precise materials, (so no more Obamot) even thin air conducts heat nonetheless...

Obamot constantly comes up with errors and ramblings and Fed up with answering them by wasting time, while Obamot never reads, never writes anything precise quantitative that can be used. This is all just a collection of misjudgments and misunderstandings, with answers repeated over 5 years...

A new discount model, robust and based on bentonite Solar collector bottom: the polycarbonate plate is missing to close the collector. https://www.econologie.com/fichiers/partager3/14499208951zrv6h.jpg thanks to Obamot....(self-built price per m² < 10 euros purchase of new materials) It is necessary ...