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  1. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    Allright, never mind. I can't even make a window in a wall in sketchup. And I work with computers every day, sheesh..... :) NOTE: I managed to reverse the FT (fish tank) and GB (grow bed) in the drawing - assume the fish are on the bottom. :rolleyes: So here is my low grade workup on paper...
  2. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    I drafted this out on paper, but have been trying to model in Sketchup to show what it would look like with the sun / shade during different times of the year to vet out the design I was describing. Unfortunately I am obviously a slow Sketchup learner :) Give me a little more time and I'll...
  3. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    Soprry for the late response, was remote out of town. Winter sun is important, yes. I have not done the math on the roof but was initially thinking the following: 1) Shallow pitch - Allows greatest headroom in the space - Need to ensure the front overhang blocks direct summer sun but allowing...
  4. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    I was born and raised a little south of you in Ohio :) It will be a big investment, no arguments here - and I don't want to get it wrong! My rationale for this design is twofold: First is that the remainder of the house is of a superinsulated / passive solar design so building this extra...
  5. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    So summary thoughts / perspectives: - Up front cost certainly more, however these are concepts / materials used in the remainder of the house. I would consider it an extension of the investment - Manually adding / removing insulation to the windows not overly ideal, but realistically only...
  6. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    Each Bay then looks like this: Each bay then has 3GB and 2 FT. The middle tank remains, and is connected to the other two fish tank with a screened pass through pipe both high and low (there is a reason for this). The middle tank now takes on the role of a hot water tank in winter and general...
  7. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    The windows in the pictures are not drawn to scale but hopefully the concepts will come through. The design of the locations of these windows is critical. I need to minimize the amount of window sq footage (given windows will be the most heat loss in the system) and yet optimize the amount of...
  8. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    Here's an updated layout picture: NOTE: The first picture says 'Side' and should say 'Front' - sorry 'bout that. Design aspects: 1) R15 / R40 / R60 insulation as described in the prior post, except where windows are. Even Venting doors would be insulated. 2) Windows would be some form of...
  9. W

    Need feedback on a solar greenhouse - cold weather, low heating reqmt

    Hi all, I originally posted this in a aquaponics forum, but in retrospect the portion of the design I need help / feedback on truly relates to effectively the greenhouse portion of it. My intention is to have a good sustainable year round production, in cold weather, with minimal heating...
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