The main theme of this book is dealing with the implementation of not only the HVAC System but any any industrial unit dealing with the certain parameters can controlled through wireless sensors in a very efficient manner as compared through wired sensors.This project also made me to learn and in searching of so many peculiar things that i have never studied before. The whole span for accomplishing this project will always indelible for me that how i face the problem and then troubleshoot them. All above I thank to Almighty ALLAH who give me and my colleagues Sana and Tehmina a great strength to complete this project. I pray for myself and all my fellow engineers for a bright future ahead. SAIRAH KHATOON