Inside efficient environment of a building is necessary for many purposes of the building such as air quality, suitable temperature, lightening inside the building, green building environment, air inside the building etc. If inside environment of a building is properly analyze and design then the performance of the building is increased up to greater extent such as people feel relief inside the building, no loud sound and noise are there and no darkness are there in the building. This study is carried out for the proper analysis and design of the inside environment of the building by using some modern techniques such as heat loss and monitoring systems, inside Cooling systems for the building.