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Re: [Phys-L] Solar Powered Direct Hot Water System



40 years ago i put 4 thermal panels on my roof as a source of hot water snd as 
s preheater for s geothermal heating system. The water from the panels heated a 
tank of water which contained copper tubing that heated potable water before it 
entered the hot water heater. In the summer my 5 sons could shower as much as 
they wanted being soccer players. Endless supply of hot water in northern 
Indiana. In winter it also preheated the water going into the geothermal system 
and because the two were linked it was all figured inti the tax deduction. 
What else would you like to know?
Best
Joe
Sent from my iPhone

> On Jun 6, 2024, at 3:20 PM, Zani, Gerald via Phys-l <phys-l@mail.phys-l.org> 
> wrote:
> 
> I am looking to find someone with knowledge or experience with a Direct Hot
> Water (DHW) solar power heat system.
> 
> A non-photovoltaic solar power system. Solar energy is stored by direct
> heating. Briefly, a glass tube with a fitting has a copper strip inside.
> Solar rays warm the copper strip. A fluid is pumped through the tube to
> extract the thermal energy from the copper. Below is a photo of one glass
> tube.
> 
> Here is a link for more information.
> https://viessmanndirect.co.uk/Catalogue/Solar-Kits
> 
> I have a question for someone with direct experience with this type of
> energy system.
> - JZ
> --
> Gerald Zani
> Senior Engineering Technician
> Brown University School of Engineering
> (401) 863-9571
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