It all happens so quickly each year that my Passive Solar Home “automatically” switches itself from summer/fall cooling mode to winter heating mode. See how the macro environment helps make this happen.
Summer with Deciduous Trees Shading the South Elevation
With the winter solstice approaching the sun is at its lowest angle in the south sky. The next picture shows how far the sun will penetrate into a south faced solar home on December 21.
All that is needed to have your solar home heat itself is to first: properly site it. Second, take advantage of deciduous trees. If they don’t exist on your site, plant them. You’ll be surprised how fast a sugar maple tree wiRead More