What is HVAC?
- HVAC stands for Heating, Ventilation & Airconditioning.
- Heating is used to increase the temperature.
- Ventilation is used to remove the smoke, odor, carbon dioxide, dust particle, etc.
- Air Conditioning is used to maintain comfort level as per requirement.
- HVAC systems control the temperature, humidity, airflow & air filtration.
Human Comfort:
- Conditions at which most people are likely to feel comfortable most of the time are called human comfort and it is also called thermal comfort.
- Temperature: Summer - 78 degree F ( 25 degree C) , Winter- 68 degree F ( 20 degree C)
- Relative humidity: 30% to 60%
Application:
- Residential
- Commercial
- Industrial
- Educational
- Pharmaceuticals
- Hospitals
- Malls/Offices etc.
HVAC Process:
- Heating
- Cooling
- Humidification
- Dehumdification
- Cleaning
- Ventilation
- Air Movement
Heat Transfer in an HVAC system:
- Heat transfer from a hotter body to a colder body through conduction, convection & radiation.
To Know about Conduction Convection & radiation- Click here
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