AIRAH’s Design Application (DA) manuals are technical publications to assist you in your day-to-day work in the HVAC&R industry.

AIRAH continues to update its DA manuals to align them to industry standards and maintain best practices.

AIRAH members get free digital access to a selection of our DA manuals, as well as discounted rates on hard copies

Non-members can order hard copy releases at their full price. 

Purchase a complete set of our DA manuals at a discounted price – just $1,200 for AIRAH members for all 24 DAs!
Please click here to find out more about the bundle.

Not an AIRAH member yet? Join us today and save $3,500 on your purchase of this package.

Latest releases

DA09 is one of a series of application manuals prepared to assist mechanical engineering designers and maintenance engineers with their day-to-day tasks, and the discharge of their duties. This manual seeks to set down knowledge of the art and current practice in air conditioning load estimation and psychrometrics. It will also be of use to all those engaged in the energy-efficient planning, design, construction, operation, servicing, and management of buildings and air conditioning systems.

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DA05 provides a holistic overview of smoke control in buildings, as applied by Australian Standard AS 1668.1-2015 The use of ventilation and air conditioning in buildings. Part 1: Fire and smoke control in buildings. It covers the basic fundamentals behind the six “methods” of smoke control and outlines how and where AS 1668.1 applies them, depending on the smoke control strategy called for by the building and building regulations.

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DA06 steps through the entire damper life-cycle, from the fundamentals of the whys and hows of fire, smoke, and air dampers, through to individual performance testing, design, and selection considerations; the details of installation, labelling, and commissioning; and the inspection and maintenance of dampers through their operational lives. The focus is on the major compliance standards – AS 1668.1, AS 1682.1/.2 and AS 1851 – with sections of the manual dedicated to design, installation, commissioning, and maintenance topics.

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DA04 Air System Balancing – in HVAC discusses the testing, adjusting and balancing (TAB) of air distribution systems in heating, ventilation, air conditioning and refrigeration (HVAC&R) applications.

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DA24 is a publication on the commissioning and testing, adjusting and balancing (TAB) of hydronic water systems in heating, ventilation, air conditioning and refrigeration (HVAC&R) applications.

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Also explore

The 2019 update to DA19 HVACR Maintenance

In October 2019, AIRAH released a major update to DA19 HVAC&R Maintenance, alongside Specifying a Maintenance Package with DA19 – an online user guide designed to assist building owners and managers to better understand the steps they need to take when using DA19 to specify their maintenance needs.

DA19 has been the definitive reference for HVAC&R maintenance in Australia for more than 20 years. It is used throughout the Australian property, facility management and HVAC&R maintenance industries. Now in its fourth edition, DA19 has been developed with considerable industry engagement and features significant updates relating to energy efficiency, system sustainability, asset management and the digitisation of maintenance (smart maintenance).

DA manuals


DA01 Centrifugal Pumps

Published: 2013 | Pages: 100 

DA02 Noise Control

Published: 1995 | Pages: 96

DA03 Ductwork for Air Conditioning

Published: 1987 | Pages: 114

DA04 Air System Balancing
– in HVAC

Published: 2021 | Pages: 100


DA05 Guide to Fire and Smoke Control in Buildings using AS 1668 Part 1

Published: 2021 | Pages: 50


DA06 Guide to Fire, Smoke and Air Dampers using AS 1682 Parts 1 & 2

Published: 2021 | Pages: 41

DA07 Criteria for Moisture Control Design Analysis in Buildings

Published: 2020 | Pages: 32

DA08 HVAC&R – An Introduction

Published: 1998 | Pages: 51 

DA09 Air Conditioning Load Estimation and Psychrometrics

Published: 2022 | Pages: 266

DA11 Steam and Condensate

Published: 1998 | Pages: 50

DA12 Energy Efficiency in Cold Rooms

Published: 2020 | Pages: 72

DA13 Fans

Published: 2013 | Pages: 106

DA15 Air Filters and Cleaning Devices

Published: 2019 | Pages: 152

DA16 Air Conditioning Water Piping

Published: 1994 | Pages: 135

DA17 Cooling Towers

Published: 2014 | Pages: 103

DA18 Water Treatment

Published: 1998 | Pages: 82

DA19 HVAC&R Maintenance

Published: 2019 | Pages: 208

DA20 Humid Tropical Air Conditioning

Published: 2016 | Pages: 140

DA21 Ammonia Refrigeration

Published: 2000 | Pages: 97

DA24 Hydronic System Balancing – in HVAC

Published: 2021 | Pages: 72

DA26 Indoor Air Quality

Published: 2004 | Pages: 125

DA27 Building Commissioning

Published: 2011 | Pages: 90

DA28 Building Management and Control Systems (BMCS)

Published: 2011 | Pages: 118

DA29 Evaporative Air Cooling Systems

Published: 2011 | Pages: 62