Major factors which control orientation of residential building are solar heat and humidity. Climate-wise, Indian climatic conditions may be divided into hot-arid zone and hot-humid zone.
1. Hot-Arid Zones
Such zones are also called as dry arid zones which are found mostly in the interior of the country away from the coast. Hence, to get the comfort, removal of hot air through the roof, doors, windows, etc., are to be thought of by proper orientation. North India and Central India fall under this zone.
2. Hot-Humid Zones
Such zones are also called as wet zones which are found generally along the coastal belts. Here, apart from providing opening for circulation, rain-protection measures also should be considered during orientation. West coast regions, east costs regions and Bengal fall under this zone.
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