HVAC systems for buildings


Our well-equipped E&TIS HVAC Training centre has infrastructure needed for learning tricks of designing Heating Ventilation and Air Conditioning systems conducive to optimum ambience temperature and air quality maintenance indoors as well as within vehicles. This course imparts a mechanical engineering touch to learners who after mastering the art of design and drafting using principles of fluid mechanics, heat transfer and thermodynamics can secure promising career opportunities for them.

Duration – 70 hours


Introduction to HVAC

  • Scope of designing
  • Basics and importance of HVAC
  • Future advancements in HVAC
  • Standards and codes used in HVAC
  • Modes of heat transfer in a building
  • Basic components of air conditioning
  • Types of refrigeration cycles
  • Vapor absorption refrigeration system
  • Vapor compression refrigeration system
  • Study on psychometric charts (manual and software)
  • Study on refrigerants
  • Types of refrigerants
  • Evaporating & condensing properties of refrigerants
  • Types of air conditioning systems
  • Window Air Conditioning Systems
  • Split Air Conditioning Systems
  • Ductable split AC
  • Package Air Conditioning Systems
  • Categories of air conditioning
  • Air cooled system of air conditioning
  • Chilled water system of air conditioning
  • Air water system of air conditioning
  • Direct refrigerant system of air conditioning
  • Energy conservation measures
  • District cooling, geothermal, under floor cooling, energy recovery wheel.


  • Load calculation using E 20 manual calculation
  • Ventilation, Infiltration load calculations
  • Restaurant and residence kitchen ventilation system design
  • Parking area ventilation and designing
  • Toilet ventilation (Public and residential)
  • External static pressure (E.S.P) calculation for selection of motor and fan
  • Pump size and hydraulic head calculation for chilled water in pipe sizing
  • Evaporative Losses calculation in cooling towers
  • Stairwell pressurization system designing
  • Cold storage designing
  • Study on ducts and its types
  • Study on air distribution systems
  • Types of ducts, Duct fittings, Dampers, Types of diffusers, Flexible ducts etc
  • Ducts reducer selection
  • Duct gauge selection and number of sheet calculation
  • Duct designing methods (manual calculations) using
  • Equal friction method
  • Velocity reduction method
  • Static regain method
  • Pipe sizing methods
  • Refrigerant Pipe sizing
  • Chilled water pipe sizing


  • Air terminal selection
  • Cold storage Load scheduling
  • Primary and secondary pump selection
  • Selection of cooling tower
  • Selection of Chillers
  • AHU and FCU classification and selection
  • Package unit selection DX unit selection
  • Selection of De-humidifier
  • Selection of Expansion tank.


  • Understanding the tendering requirements
  • BOQ (Bill of quantities)
  • Cooling and heating load calculation using Hourly Analysis Program (HAP)
  • Calculation of duct size using Mc Quay Duct sizer
  • Calculation of pipe diameter using Mc Quay pipe sizer
  • Air terminal selection by using BETA Program


  • Introduction to Drafting using Auto CAD
  • Fundamentals and basics of HVAC
  • Symbols and codes used in HVAC designing
  • Types of Drawings used in the industry
  • Study & Preparation of Floor Drawings
  • Chiller scheme drawing
  • Section drawings of projects

Whom Should Attend the Course? Students with M.Tech, M.E., B.E., B.Tech, Diploma in Mechanical or electrical engineering; and those who are in concluding semester or preparing for supplementary exams

Certification: Fire and Security association of India (FSAI) and Indian Society of Heating Refrigerating and Air conditioning Engineers (ISHRAE) approved

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