The third edition of DA19 builds on the previous editions, and provides a comprehensive reference for HVAC&R maintenance planning, procurement, delivery and assessment. According to DA19 editor Vince Aherne the HVAC&R maintenance improves safety, increases efficiency and satisfaction, and improves reliability. As well as an overall update of contents and structure, the new edition of DA19 focuses on maintenance management for owner/managers and operators, and on considerations throughout the HVAC system lifecycle.

Other new features of the third edition include maintenance process and maintenance strategies defined; new maintenance schedules for some HVAC&R plant (chillers, heat exchangers and more); guidance on essential services maintenance and compliance issues; new focus on maintenance for sustainability (Energy, water, refrigerant management and more); The new version also comes with a Microsoft Word version of maintenance schedules on CD for ease of use.

---