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Passive house cost - 2 44 ecoevo 3 years
Imported windows - 2 35 Lenarufus 3 years
Climate Change - Australian and World progress - 2345 131 rockabye 5 years
question about thermal mass - 23 73 John P 6 years
Waffle Pad 17 Superpod 6 years
Confusion over orientation for passive solar 11 Superpod 6 years