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Search: Posts Made By: Carmen
Forum: Preparations / Advice 12-10-2009, 08:03 PM
Replies: 11
Views: 17,029
Posted By Carmen
Re: Building underground safe rooms

Have you heard of John Haitt and his Pahs system. This stands for passive annual heat storage. I reckon this system is one of the best. Its very simple and low imput. No heating necessary! As far as...
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