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.


Latest releases

DA19 HVAC&R Maintenance has been updated for an October 2019 release.

This manual covers maintenance for all components of HVAC&R systems. It is an industry guideline to maintain systems and improve efficiencies in the built environment.

This application manual 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). 

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AIRAH, with support from the ARBS Education & Research Foundation, has developed Specifying a Maintenance Package with DA19 – an online user guide to complement the 2019 update to DA19. It is designed to assist building owners and managers to better understand the steps they need to take when using DA19 to specify their maintenance needs.

latest releases

DA Manuals


DA01 Centrifugal Pumps

Published: 2013 | Pages: 100 

DA09 Air Conditioning Load Estimation

Published: 1998 | Pages: 218

DA16 Air Conditioning Water Piping

Published: 1994 | Pages: 135

DA20 Humid Tropical Air Conditioning

Published: 2016 | Pages: 140

DA27 Building Commissioning

Published: 2011 | Pages: 90

DA02 Noise Control

Published: 1995 | Pages: 96

DA11 Steam and Condensate

Published: 1998 | Pages: 50

DA17 Cooling Towers

Published: 2014 | Pages: 103

DA21 Ammonia Refrigeration

Published: 2000 | Pages: 97

DA28 Building Management and Control Systems (BMCS)

Published: 2011 | Pages: 118

DA03 Ductwork for Air Conditioning

Published: 1987 | Pages: 114

DA13 Fans

Published: 2013 | Pages: 106

DA18 Water Treatment

Published: 1998 | Pages: 82

DA24 Water Systems Balancing

Published: 2003 | Pages: 68

DA29 Evaporative Air Cooling Systems

Published: 2011 | Pages: 62

DA08 HVAC&R – An Introduction

Published: 1998 | Pages: 51 

DA15 Air Filters and Cleaning Devices

Published: 2019 | Pages: 152

DA19 HVAC&R Maintenance

Published: 2019 | Pages: 208

DA26 Indoor Air Quality

Published: 2004 | Pages: 125