Integration of Earth to air heat exchnager was carried out at numerous places all over the world. The under ground Earth has about 25 degree celcius temperature (or annual average ambient air temperature of place) at 4 m depth for New Delhi composite climate in India. This natural resource useful for heating and cooling in winter and summer respectively. Skylight useful for daylighting of curved roof surfaces such as temples, monuments, malls etc. The natural north roof lighting saves considerable ammount of artificial lighting energy, low glare, gives better color rendering and pyschological...
Integration of Earth to air heat exchnager was carried out at numerous places all over the world. The under ground Earth has about 25 degree celcius t...