I am Rafi mechanical engineer completed my BSC from Rajshahi University of Engineering and Technology. I am now working with a consultancy firm in Bangladesh. I am working on fire safety, plumbing, HVAC and electrical wiring by using AutoCad for both industrial and residential purposes. I am very much interested in HVAC, Fire Safety, Plumbing and wiring design. My major followings are given below 1. eQUEST energy simulation tool 2. ASHRAE handbook 3 NFPA standard 4. BNBC code 5. Homer Energy simulation tool 6. MeQuey