Course will contain Introduction to Psychometric chart and how to collect data from charts and software for air properties. Different methods for Calculating Heating loads and how to use Hourly analysis program (HAP). How to select Suitable air conditioning systems for your home and your projects especially people who want to work engineering consultant offices and Contracting Company and How to calculate suitable Duct Sizing for Air flow for commercial and different types of Buildings. and how to select chiller and how to use it and make pipe sizing for chilled water systems. Also, enrolled in course will be able to make complete HVAC design on two practical project step by step. one during all lecture of course and the other one will be in final session and will apply all types of air conditioning systems and select most suitable one for his case. also using HAP software for make load calculation not also that but will learn how to make manual load calculation. the unique point in our course is that it talks about the newest systems and their development and most suitable cases for them such as VRF or VRV in details. Also, our course is divided into section and each sections in divided in lots of small videos to avoid enrolled student from being bored. Also, intense content is introduced to collect all sides of HVAC design.