Award-winning Passive Solar House Designs

addition allow architect architectural Auxiliary cooling Auxiliary heat bath bedroom Btu/sq BUILDER built calculated California ceiling central changes climate closed collection collector comfort concrete construction convection cooling cost deck developed dining direct doors double earth economy effect electric energy entry Estimated existing exterior face floor floor area frame gain glass glazing greenhouse Hot water inches inside insulation interior kitchen light living room living spaces located masonry master materials million Btu natural needed night operable passive solar percent pump purchased reduce rock roof season shades side slab solar heat space square feet stored structural summer sunspace surface temperature thermal mass thermal storage tion Total building UA Trombe wall typical units ventilation vents views winter wood