1. Flavio Lapa
    Posted September 21, 2013 at 10:50 am | Permalink

    Very good project. All i have to know is how much will cost to build one
    for my home (smaller). This looks like commercial grade.

  2. laloelchocolate
    Posted September 26, 2013 at 1:36 pm | Permalink

    Very nice.
    Junk Drs

  3. msa1985
    Posted September 30, 2013 at 2:31 am | Permalink

    maybe you should braze the joints the next time they leak, or in future
    builds. then you know for sure they won’t leak, assuming you brazed all the
    way around properly. what do you use for domestic water?

  4. mixvox1
    Posted October 5, 2013 at 3:44 pm | Permalink

    Cant you just run a piece of flex-hose back and forth

  5. Oceans
    Posted October 14, 2013 at 3:23 pm | Permalink

    How well does this heater work when it is 0°F outside? Have you tested the
    exit temperature of the water?

  6. Michael Gaiser
    Posted October 16, 2013 at 5:29 pm | Permalink

    that is a lot of money in copper, scrappers will love you !!!!

  7. Patrick Eddolls
    Posted October 17, 2013 at 12:13 am | Permalink

    Very Nice video Thks!

  8. Sachi WI
    Posted October 18, 2013 at 6:02 pm | Permalink

    Copper is VERY expensive today I am not sure you could get that done as

  9. Aaron Wilde
    Posted October 18, 2013 at 6:12 pm | Permalink

    Like the video but you should not be using lead solder in a water system.

  10. Daniel Ricardo Bryant
    Posted October 22, 2013 at 7:31 am | Permalink

    Excelente e instructivo video

  11. HUNdAntae
    Posted October 22, 2013 at 7:48 am | Permalink

    true. i don’t know about prices, but aluminium could be a better choice,
    and a good enough heat conductor.

  12. Track Hack
    Posted October 23, 2013 at 9:48 am | Permalink

    Cheap is expensive. In this case, very expensive. You’d buy a condensing
    combi boiler with all the valves, fittings, circulators, pipes and
    thermostats for the price of this setup. Excellent conceptual work but
    unfortunately it isn’t practical. By the way, why almost all smart people
    so darn geeky?

  13. Sean Henderson
    Posted October 24, 2013 at 11:56 am | Permalink

    You can buy solar panels cheaper than you can make them. I have made 3
    panels and have scoured ebay for the lowest prices on all the parts. Still,
    even calculating bulk pricing, I can not make one as cheaply as I can buy
    one. If you follow David P Murry’s link, it will take you to an infomercial
    telling you that you can build panels cheaper than you can buy them. That
    was true 3 or even 2 years ago. But now there is so much competition in the
    solar industry.

  14. FortyAcre Prep
    Posted October 25, 2013 at 12:21 pm | Permalink

    Nice job and good video but copper prices today would make this project
    almost impossible to pay back in any reasonable time.

  15. ZniewolonyPrzezGoogle
    Posted October 25, 2013 at 1:36 pm | Permalink

    Are can be in those pipes-boil water. At a lower pressure. 123.5 hPa-50
    Celsius. 23.4 hPa-20 Celsius.Stirling Engine + alternator = Electric
    current.Somewhere where it’s warm. Kenya, Brazil, Philippines.

  16. Jane Smith
    Posted October 29, 2013 at 5:00 am | Permalink

    Thx a lot! Also chek 99FreeEnergyDevices web for some great instructional

  17. TheTubicle
    Posted October 29, 2013 at 11:21 pm | Permalink

    I believe he only used it to conect the pipe to the pannel ..

  18. Senor Cabeza de Grande
    Posted October 30, 2013 at 7:58 pm | Permalink

    Price of copper?

  19. Luis Fabian Nevarez
    Posted October 31, 2013 at 8:20 pm | Permalink

    no importa el precio con el tiempo se recupera

  20. SiliquaeSid
    Posted November 2, 2013 at 12:48 pm | Permalink

    Why not use a whole load of Yorkshire “T” fittings with reducers? Far less
    work and perfect alignment.

  21. sajj288
    Posted November 3, 2013 at 8:13 am | Permalink

    Thank you

  22. Twohex flex
    Posted November 3, 2013 at 10:21 pm | Permalink

    Background music sounds like it should be in a slower part of a horror

  23. shon marsh
    Posted November 5, 2013 at 7:23 am | Permalink

    Commercial Solar Panels are too Expensive !! If you want a Good solution to
    Power your Home, You have to Learn to Build your Own Solar Panels Go to
    Google and Search for: “Top DIY Solar Panels Research” Choose the First
    Result (Skip the advertisement on top) It is a Blog that Explains it in

  24. kayneisable
    Posted November 5, 2013 at 11:39 pm | Permalink

    instead of copper you could use pex with the fins that they use in the
    under floor application.

  25. Katrin J Kindermann
    Posted November 6, 2013 at 2:18 pm | Permalink

    This Video Is Helpful But There Is a Much Easier Way To Build Solar Panels
    At Home Simply Read This Guide And You Will Learn How. The Guide Can Be
    Downloaded At ow.lyqyo9p

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