HVAC Design


HVAC Design, Drafting, Construction & Estimation per ASHRAE & SMACNA


Heating Ventilation & Air Conditioning – ASHRAE/ISHRAE/SMACNA

The training program deals with HVAC fundamentals/Systems/Components, system design, hvac drawings & drafting, equipment erection, project estimation, equipment maintenance & detail engineering of Central HVAC Systems including DX Air Systems & Chilled Water Systems with dedicated training sessions covering detailed applications & usage of codes & standards like ASHRAE, ISHRAE, SMACNA, ASME, ARI, DW 142, BS, & CIBSE.


Fresh Mechanical Engineering Graduates, Fresh Electrical Engineering Graduates, MEP Engineers, HVAC Engineers ( Project / Design / Estimation / Maintenance ), HVAC Draftsmen, MEP Draftsmen, MEP Co-coordinators, HVAC Site Supervisors, HVAC Technicians, HVAC QA/QC engineers, Design & Project Managers.


Upon completion of this course the participant will be able to

·         Learn to use codes & standards of HVAC industry.

·         Design HVAC Systems  – perform calculations, route, select equipments, estimate quantities and create hvac drawings ( Detailed & Shop Drawings )

·         Perform cooling / heating load calculations for buildings.

·         Design the Ventilation, DX Air & Chilled Water Distribution Systems  for Residential &  Commercial Buildings

·         Understand the complete Design ( Air Duct , Chilled Water ) , Selection & Installation of different components & Systems used in the HVAC Systems


The participants enrolling for the training program at SkillIndiaRisingTech can look forward for a challenging position in Engineering Consulting & Construction Companies for different residential, commercial and industrial projects.

Work in multi – trillion dollar building services construction industry in India & Gulf Countries as

Design Engineers, Project/Procurement (Site Engineers),  Estimation, Co-ordination Engineers,

Testing & Commissioning, Sales, QA/QC, Maintenance Engineers.


Scope of HVAC Industry with overview of Consulting & Construction industry.

Concepts of Air conditioning systems.

Codes & Standards

Types of refrigerant, Codes & Cylinder colors

Evaporating & condensing properties of refrigerant.

Refrigerant Pipe sizing methods

Darcy-Weisbach Method of Pipe sizing

Components of Vapor compression cycle

Functioning of Vapor compression cycle

Sub cooling & Super Heating Modes

Understanding of Suction Line, Discharge Line & Liquid Line

Understanding of Absorption Chilling system


a) Local cooling comfort System

Window Air conditioning

Split Air conditioning

Multi Split Air conditioning- VRF/VRV systems

Chilled water Fan coil unit

b) Centrally air conditioned system

Central Air Conditioning System/All Air System

Chilled water system/ All Water System

Properties of Air (DBT, RH, WBT, HR, DPT, ENTHALPY)



Humidification Methods

Dehumidification Methods


Types of Fans, Arrangement of Fans

Arrangements of Components of AHU

Basics of Heat transfer in a building envelop.

Understanding of Outdoor & Indoor Conditions.

Indoor Conditions requirements

Exposure of Wall, Latitude of Location, Daily Range etc

Factors affecting the loads estimate.

a) Heat Gain Calculation/Cooling Load Calculation

Sources of Heat Gain

External- Sun Gain through Glass/Window, Sun Gain through Roof/Wall Partition gain

Internal – People, Lights, Electrical Equipments, Motors, Kitchen Appliances

Heat gain through Infiltration air, Heat gain thorough Ventilation & By-pass air.

Heat gain through ducts.

Calculating ESHF, GTH, ADP, Dehumidified CFM.

b) Heat loss calculations

Basics of Heat loss in a building envelop. Sources of Heat loss –

Heat loss through Glass/window, Heat loss through Roof/Wall

Heat loss through Partition Glass/wall/Floor/slab, Heat loss through Infiltration air/Ventilation air & Bypass air.

Heat loss through slab on Grade

Note: Cooling & Heating Load calculation on Project (Commercial/Residential)

Understanding the need of Air Distribution System Design

a) Components of Air distribution system- Function/Selection/Installation/Maintenance

Types of Ducts, Duct Plenum, Flexible Connector, Sound Attenuator,

Duct Fittings- Duct Elbows selections (Long radius, Short radius- No throat, Throat elbows, with heel radius, throat radius & radius of elbow).

Vanes location & number of vanes required.

Duct Offset & Transition fittings site measurements methods

Dampers, Types of Diffusers, RAG, Flexible Duct, Flexible Connector, End Cap, Sound Attenuator etc.

Duct Material Calculation- GI sheet, Total sheet required in kgs. Gauge of duct & Thickness of Gauge. Hanger Spacing, Hanger Rod Diameter and Angle support Size.

Supply & Return Duct configuration, Assigning Velocity of Air (FPM) to each Section of Supply and Return Duct Low Velocity system, Medium Velocity System and High Velocity System.

Supply and Return Duct configurations & Routing methods- Extended Plenum Systems, Radial System, Trunk and Branch system

b) Duct designing methods.

Velocity reduction method.

Equal friction Method.

Static regain method.

Fan selection & Static pressure calculation

Constant Flow & Variable Flow Air distribution system

Selection & Installation of VAV’s, Diffusers, Sound Attenuator, Flexible ducts & other ducting components

Note: Air Distribution System Design on Project (Commercial/Residential)

Types of Ventilation System (Supply, Extract & Balanced)

Components of Ventilation system.

Design of Extract System for Toilets, Garbage Rooms, Warehouse Etc.

Design of Car Park Ventilation System.

Negative & Positive pressure requirements.

Restaurant and Residence Kitchen Ventilation System Design

Sizing of Hood, Number of filters required & Duct designing.

Stair Well Pressurization System Designing

Note: Ventilation System Design on Project (Commercial/Residential)


Introduction to Chilled water system, Hot water system.

a) Classification of chillers

As per Evaporator- Dx & Flooded Type

As per Condenser- Air Cooled, Water Cooled & Evaporative

As per compressor- Reciprocating, Centrifugal & Rotary/Scroll

Chiller arrangements, Cooling tower arrangement, Types of cooling tower

Expansion tank Function, Selection & Installation

b) Pumps

Pump Types

Arrangement of Pumps

Production Pumps.

Distribution Pumps

Pump Schemes of Chilled water system

c) Piping fundamentals

Pipe designators, piping standards.

Piping fittings- Elbows (Long Radius & Short Radius), Bends (45 Deg & U), Stub In Connections, Reducers, Olets and Components.

Valves used in Chilled water system – Gate Valve, Globe Valve, Butterfly Valve, Check or NRV Pressure Regulation & Safety, Double Regulation Valve

Automatic Valves used in Chilled water system- 2-Way & 3-Way

Piping Arrangement –Closed Loop & Open Loop, 2-Way Piping, 3-Way piping & 4-Way piping.

d) Chilled Water System Design

Water Demand calculations- Chilled Water GPM/Condenser Water GPM/Hot Water GPM calculations

Calculation Water velocity- Suction side & Discharge side, assigning velocity to different pipe sections.

Pipe routing & Pipe Sizing for Chilled water & condenser water piping

District cooling system design & installation

Friction loss calculation for the piping system

Friction Loss in Straight Pipes.

Friction Loss in Straight Pipes. Friction Loss in Fittings. Valves used in Chilled Water System

Friction Loss in Valves & Special components.

Calculating TDH for Pump (Open Piping System and Closed Piping System).

Pipe Sizing Manual Method Hazen-Williams Equation for Calculating Friction Loss.

Pump Cavitations & NPSH Calculation for Pump

AHU & FCU classification and selection.

Package Unit Selection DX- Chiller Selection.

Condenser Selection (Air cooled, Water Cooled, Evaporative).

Cooling Tower Selection Mixed Air Temperature Calculation.

HRF for Open and Closed Compressor.

Expansion Tank Selection

BOQ preparation

Understanding the tendering requirements

Final Billing & Quotations finalization

Preparation of Material submittals, Shop drawing submittals, Types of approval

Identifying the critical equipments, preparation of purchase orders, Letter of Intent, Letter of credit, Minutes of meeting

Introduction to Drafting,

Types of Drawings used in the industry,

Study & Preparation of Floor Drawings,

Roof Drawings,

Sectional Drawings

Builders Work Drawings,

Co- ordination Drawings &

Riser Diagram, Abbreviations & Symbols used.

how can we help you?

Contact us at the Skillindiarisingtech office nearest to you or submit a business inquiry online.

We were amazed by how little effort was required on our part to have Consulting WP prepare these materials. We exchanged a few phone calls and e-mails, and they… handled the rest.

Amanda Seyfried
Founder & CEO, Arcade Systems