Affordable Passive Solar Homes: Low-cost, Compact Designs |
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˹éÒ 35
Materials that are economical , durable , and relatively maintenance free are
preferred for exterior surfaces . Above - grade exterior walls Ceiling Floor w / out
heat below Exterior foundation wall to grade Exterior foundation wall below
grade ...
Materials that are economical , durable , and relatively maintenance free are
preferred for exterior surfaces . Above - grade exterior walls Ceiling Floor w / out
heat below Exterior foundation wall to grade Exterior foundation wall below
grade ...
˹éÒ 50
Glass has several wellknown drawbacks also : heavy weight ; low impact
resistance ; relatively high cost ; dif - ficulty in site fabrication ; and it requires a
relatively large amount of energy to manu - facture ( 11 , 438 Btus / Ib . ( 8 . 29 cal
/ gram ] ) ...
Glass has several wellknown drawbacks also : heavy weight ; low impact
resistance ; relatively high cost ; dif - ficulty in site fabrication ; and it requires a
relatively large amount of energy to manu - facture ( 11 , 438 Btus / Ib . ( 8 . 29 cal
/ gram ] ) ...
˹éÒ 63
The basic problem with movable insulation — as with drapes and blinds - is that
someone ( or some mechanism ) must operate it at the appropriate times ; it also
has a relatively high initial cost . In any case , whatever window coverings or ...
The basic problem with movable insulation — as with drapes and blinds - is that
someone ( or some mechanism ) must operate it at the appropriate times ; it also
has a relatively high initial cost . In any case , whatever window coverings or ...
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