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gbwillson

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Reply with quote  #11 
GH-

What you are describing is not what gardeners call a mini green house. Do an image search using the term GARDENING COLD BOX. Although I am sure it has regional name differences. Oh, and I suppose you could call it something different across the pond. You set this up on a bed of compose in the proper ratio and you can literally grow year round since you live in a temperate climate. I had one a few years ago with a couple of recycled double pane windows, or I did have, until I broke one of the windows when I accidentally dropped a shovel on the top. The ground where I live is frozen solid 4' below the surface. The ground under the cold box never froze and had steam rising out of the ground all winter long. It kinda freaked out the neighbors thinking there was an underground leak. 

Greg in MN[wave]

Ky-Jeeper

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Reply with quote  #12 
Cold frame
Quote:
Originally Posted by gbwillson
GH-

What you are describing is not what gardeners call a mini green house. Do an image search using the term GARDENING COLD BOX. Although I am sure it has regional name differences. Oh, and I suppose you could call it something different across the pond. You set this up on a bed of compose in the proper ratio and you can literally grow year round since you live in a temperate climate. I had one a few years ago with a couple of recycled double pane windows, or I did have, until I broke one of the windows when I accidentally dropped a shovel on the top. The ground where I live is frozen solid 4' below the surface. The ground under the cold box never froze and had steam rising out of the ground all winter long. It kinda freaked out the neighbors thinking there was an underground leak. 

Greg in MN[wave]
gbwillson

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Reply with quote  #13 
I can't remember who it was, but last year someone put all of their collectors inside a simple, clear, "bubble" to not only insulate the glazing, but I suppose help with condensation. In my case, the collector is drawing dry, 30% humidity  house air through the system. Think of the windows of your house. If the outside temps are as cold as they have been here, the humidity in your house should be quite low. Otherwise, the inside surface of your windows will "sweat". As the outside temps warm up, more humidity can be added to the inside air before sweating occurs. I'm not sure what I can do to dry out the inside air short of running a dehumidifier near the intake source in the basement. Incidentally, I do have a 6'x8' greenhouse. It might look kinda funny tilted on its end at a 60 degree angle. [biggrin]

Greg in MN[wave]
Garage_Hermit

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Reply with quote  #14 
MINI-GREENHOUSE -- Update
===================

I finally got started, it is just a prototype for the moment.
One more frame to add, and two more sheets of PVC,
then a fixed end, and a door-access end.

Attached Images
jpeg Inside_View__019.jpg (188.92 KB, 74 views)
jpeg Bending_PVC_Frames_-_I_broke_two_004.jpg (95.93 KB, 74 views)
jpeg General_Location__026.jpg (321.99 KB, 74 views)


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