HEATING VENTILATION AND AIR CONDITIOING (Technical Seminar )-with PDF File






CONTENT
  • Introduction to HVAC
  • History of HVAC
  • Need of HVAC
  • Heating
  • Ventilation
  • Air conditioning process
  • Types of installation
  • Recent Development in HVAC
  • Advantages & Disadvantages
  • Applications of HVAC
  • Conclusion

HISTORY OF HVAC

  • IN 1851 Dr John Gorrie was granted U.S. Patent for refrigeration machine.
  • In 1880 refrigeration became available for industrial purpose. Initially two major uses –freezing meat for transport and making ice.
  • Early 1990-new initiative to keep building cool for comfort.
  • 1902 cooling the New York stock exchange-one of the first comfort cooling system.

NEED OF HVAC SYSTEM
  • Improvement of the air quality
  • Moisture regulation
  • Depression
  • Maintenance of the constant temperature throughout the year
  • Energy conservation.

HVAC COMPONENTS
  • Furnace
  • Heat exchanger
  • Ducts
  • Vents
  • Air Conditioning Unit
  • Evaporator Coils
  • Condensing Unit

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