passive heating
![](https://i0.wp.com/vikalpsangam.org/wp-content/uploads/migrate/AlternativeEconomies/niveditakhandekarpassivesolar1.jpg?fit=640%2C367&ssl=1)
Passive Solar Housing keeps people warm in icy Ladakh
The south face of a building needs to be all windows, as it gets maximum sunrise to sunset exposure in winters.
The south face of a building needs to be all windows, as it gets maximum sunrise to sunset exposure in winters.