Hello,
just to show you what has be done to avoid heating during winter time:
outside temp = -6c greenhouse temp= 0
http://public.fotki.com/El-Fakir/rocail ... ion-serre/
I use water barels + isolated concrete north facing wall + half "underground"greenhouse (60cm deep) + polycarbonate panels (16mm for the top roof and 10mm for the south) + solar pannels to electrify a car fan as air brassing and a small fan to take hot air from the top to the bottom of the greenhouse (with a 10cm pipe)...
http://public.fotki.com/El-Fakir/rocail ... reenhouse/
http://public.fotki.com/El-Fakir/rocail ... 007-1.html
Thierry
Self made green house
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Re: Self made green house
Very interesting Thierry and very well built
Where are you about?
Where are you about?
Ross
Dunbar, SE Scotland.
BCSS member #46264 (originally joined 1983).
Growing cacti since 1978, with a particular interest in Sulcorebutia and Rebutia.
Dunbar, SE Scotland.
BCSS member #46264 (originally joined 1983).
Growing cacti since 1978, with a particular interest in Sulcorebutia and Rebutia.
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Re: Self made green house
Thnak's for compliments!!
I live in Champagnier, South of Grenoble, French Alps, 250m high.
I live in Champagnier, South of Grenoble, French Alps, 250m high.
- Phil_SK
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Re: Self made green house
That's quite wonderful!
I'm in the middle of making a greenhouse but mine is a bit simpler in its construction. I'm setting it into the ground a little bit, in the hope that it will save on the heating simply by having less air space. I have taken a few photos as I've gone along but I wish I'd taken more now I've looked through yours!
I'm in the middle of making a greenhouse but mine is a bit simpler in its construction. I'm setting it into the ground a little bit, in the hope that it will save on the heating simply by having less air space. I have taken a few photos as I've gone along but I wish I'd taken more now I've looked through yours!
Phil Crewe, BCSS 38143. Mostly S. American cacti, esp. Lobivia, Sulcorebutia and little Opuntia
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Re: Self made green house
The most important is to have a very good insulation on the North wall and more you "burry" your greenhouse, the more you get heat from the ground.
A very old system but very efficient now with modrn technoloy is the Hypocaust system.
A very old system but very efficient now with modrn technoloy is the Hypocaust system.
- CoronaCactus
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Re: Self made green house
Very nice! Well built too.
Will you need any shadecloth in the summer?
Will you need any shadecloth in the summer?
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Re: Self made green house
Thank's Daryl !!!
During summer time, I don't use any shadecloth but I keep the west and est sides opened (by removing the windows on the West and leaing the doors opened (East) and I have a car cooling system fan connected to solar pannels that keeps air circulating.
Here, in my area, we have summer temps up to about +33 +37 c, with +35 +40 c inside the greenhouse (no much higher), except when I forget to open the doors after a rainstorm...
I only use a permament shadecloth with Gymnocalycium. And I made the west and east sides not translucent, that way it provides someshade (morning or afternoon) to the plants that need it.
Thierry
During summer time, I don't use any shadecloth but I keep the west and est sides opened (by removing the windows on the West and leaing the doors opened (East) and I have a car cooling system fan connected to solar pannels that keeps air circulating.
Here, in my area, we have summer temps up to about +33 +37 c, with +35 +40 c inside the greenhouse (no much higher), except when I forget to open the doors after a rainstorm...
I only use a permament shadecloth with Gymnocalycium. And I made the west and east sides not translucent, that way it provides someshade (morning or afternoon) to the plants that need it.
Thierry
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Re: Self made green house
this is the west side
http://public.fotki.com/El-Fakir/rocail ... n3174.html
http://public.fotki.com/El-Fakir/rocail ... n3174.html
- CoronaCactus
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Re: Self made green house
Tres bien!
Sure sounds like you have it all worked out.
Your temps are comparable to mine, but the sun's intensity is higher here.
Sure sounds like you have it all worked out.
Your temps are comparable to mine, but the sun's intensity is higher here.