Passive heating and cooling videos

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'How to build passive solar homes -'
'How to build passive solar homes -' 04:47 Jun 1, 2021
'DIY Passive Solar House Plans to Passive House Design Details - ecoHOME Green Building Guide part 1'
'DIY Passive Solar House Plans to Passive House Design Details - ecoHOME Green Building Guide part 1' 04:47 Feb 23, 2021