Advanced HVAC Design - Principles and Practices for Efficient Systems

Introduction:

Throughout this course, you will delve into the core concepts of HVAC design, exploring topics ranging from heat transfer and load calculations to equipment selection, air distribution, and control strategies. By the end of the course, you'll have the expertise to create HVAC systems that prioritize comfort, energy efficiency, indoor air quality, and sustainability.

Targeted Groups:

• HVAC Engineers and Designers.
• Mechanical Engineers.
• Building Services Consultants.
• Architects.
• Construction Professionals.
• Facility Managers.
• Energy Efficiency Specialists.
• Sustainability Professionals.
• HVAC System Installers and Technicians.

Course Objectives:
At the end of this course, the participants will be able to:

• Grasp essential concepts of heat transfer, fluid dynamics, thermodynamics, and psychrometrics for HVAC design.
• Master methodologies for precise heating and cooling load calculations in residential and commercial spaces.
• Create well-sized and balanced ductwork layouts for efficient air distribution.
• Evaluate and choose HVAC equipment based on load calculations, energy efficiency, and sustainability.
• Design efficient heating and cooling systems with a focus on hydronic components.
• Design HVAC systems that maintain comfort and indoor air quality.
• Develop control sequences and strategies to enhance system efficiency and comfort.
• Integrate energy-efficient and sustainable practices into HVAC design.
• Plan and execute commissioning processes to verify HVAC system performance.
• Apply learned concepts through practical exercises and case studies.
• Enhance teamwork and communication skills through group engagement.
• Stay informed about the latest HVAC technology and regulations.

Targeted Competencies:

• Introduction to HVAC Systems and Design Fundamentals.
• Air Distribution Design and Duct Sizing.
• HVAC Equipment Selection and System Components.
• Hydronic System Design and Thermal Comfort.
• HVAC Controls and System Commissioning.

Course Content:
Unit 1: Introduction to HVAC Systems and Design Fundamentals:

• Overview of HVAC systems and their importance in building design
• Basic principles of heat transfer, fluid dynamics, and thermodynamics
• Understanding psychrometrics and its role in HVAC design
• Introduction to different types of HVAC systems (central, decentralized, hybrid)
• Load calculation methodologies (Manual J, CLTD/CLF, Radiant Time Series)

Unit 2: Air Distribution Design and Duct Sizing:

• Importance of proper air distribution in HVAC systems
• Ductwork design considerations: friction, velocity, pressure drop
• Types of duct systems: radial, extended plenum, perimeter loop
• Duct material selection and insulation requirements
• Introduction to ASHRAE duct sizing methods

Unit 3: HVAC Equipment Selection and System Components:

• Overview of HVAC equipment: air handlers, chillers, boilers, heat pumps, etc.
• Factors influencing equipment selection: load, efficiency, environmental considerations
• Types of refrigerants and their impact on design
• Components of HVAC systems: coils, fans, filters, dampers, and controls
• Energy efficiency and sustainable design principles in equipment selection

Unit 4: Hydronic System Design and Thermal Comfort:

• Introduction to hydronic systems: boilers, pumps, cooling towers
• Types of hydronic distribution systems: two-pipe, four-pipe, radiant heating/cooling
• Balancing hydronic systems for optimal performance
• Thermal comfort parameters: PMV/PPD, operative temperature, ASHRAE Standard 55
• Designing for indoor air quality (IAQ) and ventilation rates

Unit 5: HVAC Controls and System Commissioning:

• Importance of HVAC controls in system operation and energy efficiency
• Types of control systems: direct digital control (DDC), building automation systems (BAS)
• Sequence of operations and control strategies for HVAC systems
• Role of sensors, actuators, and feedback loops in control systems
• Commissioning process, verification, testing, and optimization of HVAC systems