[permaculture] Re: Greenhouse design

CAVM at aol.com CAVM at aol.com
Wed Dec 31 12:16:26 EST 2003


The great thing about groups such as this is the terrific exchange of good 
ideas, like this one.

Neal Van Milligen
Greenhouses overheating are an issue even up here in Northern Vermont.

What I've been thinking is: Since the sun is high in summer, low in 
winter and heat rises, then why is a glazed ceiling necessary at all ?!

Why not a solid insulated roof with say a couple of solar wells/tubes ?

This would lower construction and maintenance costs, increase heat in 
winter and block out sun in summer....

Claude
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