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Solar Thermal in Seattle

Paul Pollets
Paul Pollets Member Posts: 3,656
Commissioned this thermal DHW system yesterday on a cold, wet rainy and soggy Seattle Thursday. Installing the tubes within the arrays was somewhat dangerous and slippery, having to walk the structural steel 6"x6" beams to place the end of the vacuum tubes into the collector headers.

The sun broke through as we finished the third array and was generating 80 degree water within 10 minutes. The outdoor temp was 47 and the piping isn't insulated yet. The project is the new NorthWest School gymnasium, auditorium and dining hall facility. The data from the system's BTU output will be displayed on the school's internet "Dashboard".


  • Weezbo
    Weezbo Member Posts: 6,232

    That looks and sounds like it will stay the course for years to come .

    Your work and effort on that job is showcase . These days folks are probably building things just for you to come over and dial the mechanical in for them : )


  • bld999
    bld999 Member Posts: 47

    Good looking job, and looks like lots of room in the mechanical space. Were you responsible for the structural steel, or the gc?

    Funny how "instrumentation" has lately become "dashboarding" in the green business.
  • Paul Pollets
    Paul Pollets Member Posts: 3,656

    Thanks for the kind words,Weez. It makes sense to datalog if you're spending the $$ to do this type of install. The data and flowmeter are quite pricey.
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