The Heating, Ventilation, and Air Conditioning (HVAC) system is one of the most critical building systems in residential, commercial, hospitality, retail, healthcare, education, government buildings, and other types of capital construction projects.

Implementing QA/QC checklists for installation work inspection requests, air- balancing-at-air-terminals, pre-commissioning, commissioning and performance tests for HVAC equipment and systems is crucial to reduce the threats of an under-performing HVAC system.

The pre-commissioning checklists are important to the commissioning process of a building as it allows for a smooth transition to the final testing and acceptance stage of the project. The pre-commissioning of the HVAC system ensures that the installation was done as per the contract design, identifies problems and resolve issues before the commencement of testing, provides an easier and cost-effective solution to remedy issues at the start of the project rather than during commissioning, and helps to provide an early resolution of problems thus reducing delays