Course Content
Introduction to HVAC
Overview of HVAC systems and components
Definition and basic principles of thermodynamics
First law of thermodynamics and its applications to HVAC
Second law of thermodynamics and its applications to HVAC
Applications of HVAC systems in different settings
HVAC Theory
About Lesson

HVAC (Heating, Ventilation, and Air Conditioning) system design and analysis involves a range of technical calculations, specifications, and evaluations aimed at ensuring optimal comfort, air quality, energy efficiency, and cost-effectiveness in building environments. The process involves several key stages, including load calculations, equipment selection, duct design, controls, and commissioning.

Load Calculation: Load calculation is the process of determining the heating and cooling requirements of a building, taking into account factors such as climate, insulation, windows, occupancy, and building orientation. A load calculation involves several technical calculations that help to determine the heat gains and losses from the building envelope, internal heat sources, and ventilation.

Equipment Selection: Equipment selection involves choosing the right HVAC system components for the building. The selection process is based on the results of the load calculation and considers factors such as energy efficiency, environmental impact, initial cost, and life-cycle cost. The components that need to be selected include air conditioners, heat pumps, furnaces, boilers, ductwork, and thermostats.

Duct Design: Duct design involves designing the layout of the ductwork that distributes conditioned air throughout the building. Duct design takes into account the size and layout of the building, the type of HVAC system, and the airflow requirements of the different zones. The goal of duct design is to ensure that conditioned air is delivered efficiently and evenly to all parts of the building.

Controls: Controls involve the selection and programming of the HVAC system controls, such as thermostats, sensors, and dampers. Control systems regulate the operation of the HVAC system based on the temperature and humidity levels in the building. The controls can be programmed to optimize energy efficiency and comfort, and to provide alarms and alerts in case of equipment failure.

Commissioning: Commissioning is the final stage of the HVAC design and analysis process. It involves testing and verifying the performance of the HVAC system, including its components, controls, and interactions with the building envelope. The goal of commissioning is to ensure that the HVAC system is installed and operating correctly, and that it meets the design specifications and performance requirements.

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