Suitable regional building materials are used.
- Brick masonry of 12 inches without RCC used for construction reduces cost of construction by 30% as compared to RCC wall. A 50% and 25% energy saving may be achieved by dome shape roofs made of only brick masonry of 9 inches.
- Buildings with lesser number of storey are more energy efficient than multistoried buildings.
- Materials like cement , bricks and glass to some extent are the major contributors to the total energy consumption in RC buildings.