Can I Build a greenhouse out of commercial refrigeration glass doors? is it sufficient to hold heat in winter?
I will use old refrigeration glass doors to save money and not pollute by wasting them. I will weld a custom aluminum frame and seal it with silicon around the edges. I might add a solar panel with flood lamps so in the winter months it will heat the green house that way. I am trying to be green building this greenhouse.
Since the doors act as insulators from the heat in the freezer case, they will do just fine to hold heat in during winter.
Part of the idea behind a greenhouse is that if properly bult, there is no need to add much extra heat, even in winter.
Without knowing where you live, it is hard to say if supplemental heat will be needed. One way to accomplish this in a more green manner than burning a hydrocarbon fuel, is to use heat storage items in your greenhouse.
Siting the greenhouse so that the maximum sun gain can heat up not just the air inside, but re-cycled old barrels, plastic or metal, filled with water (and a bit of bleach to keep the gunk down) sealed up, and outsides painted black or dark green. If you use these as the "legs" to rest your benches or flats on, you can save more costs there as well.
The concept is for the barrels to absorb the heat as well during the day, and at night, as they cool, the give off the heat back into the green house.
http://www.healthgoods.com/education/healthy_home_information/Building_Design_and_Construction/design_solar_greenhouse.htm
http://www.sherrysgreenhouse.com/pages/structures/greenhouses-build.html
might help you oput a bit.
Good luck and well done for wanting to go green!
Kay
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