With the continuous progress of the society, the problem of energy consumption is increasingly prominent, green energy saving is gradually promoted. At present, the combination of green building concept in architectural design has become the common focus of contemporary architectural industry. HVAC is a key link in building energy consumption, which has attracted much attention in recent years. The application of green and energy-saving concepts in building heating and air-conditioning design can not only reduce energy consumption and cost, but also improve operating efficiency, safety and comfort. On the other hand, it not only protects the balance and development of the environment, but also realizes the healthy and sustainable development of air conditioning. It can be said that the green concept in the whole HVAC design of the application is very significant.

Education today is becoming completely associated with the Information and Communication Technology (ICT) on the content delivery, communication and collaboration. Cloud computing simply involves the provision of information technology (IT) solutions as a service rather than as a product through the Internet. Sudan just like any other developing countries is yet to fully adopt cloud based systems according to trust and security challenges. The motive of this paper is to identify the extent and characteristics of Cloud Computing adoption in Sudanese universities and higher education institutions. The study assessed Cloud Computing uses in terms of actual use of cloud services and applications, ability of transition from conventional systems to cloud computing technology, and efficiency of the technical staff of IT to deal with modern technologies. The adoption of the Cloud Computing services in higher education in Sudan was relatively low. The results showed that here is a significant relationship between the adoption of Cloud Computing in Sudan and the four independent variables; (Basic knowledge of cloud computing services and applications, the actual use of cloud computing technology, ability of transition from conventional systems to Cloud Computing Technology and skills of IT human resources) at level of significance α= 0.05.