Learn about what HVAC commissioning is, its importance, the main types, and how the process works.
Published 12 Jul 2022
Referring to the process of ensuring that the HVAC (Heating, Ventilation, and Air conditioning) systems of buildings operate correctly and serve their intended purpose, HVAC commissioning is considered to be a vital part of the overall construction process—from designing, building, managing, and maintaining an HVAC system. Typically, HVAC commissioning is applied to the two most common examples which are commercial and residential.
Building owners, contractors, and engineers must have proper documentation on how the HVAC systems are functioning. This is so they can pinpoint and resolve issues, and further improve HVAC performance. Also, HVAC commissioning is vital to ensure that the project requirements are met and to avoid the need for repairs and callbacks in the long run.
Take a look at how HVAC commissioning benefits various settings:
In the general context of commercial buildings, HVAC systems are usually one of the biggest energy consumers. If the installation doesn’t operate correctly, it can affect the overall performance of the system and further increase energy consumption.
In the workplace, a well-functioning and properly maintained HVAC system is essential to provide employees with a safe, comfortable, and pleasant working environment. This makes the workplace conducive to productivity and helps in avoiding heat stress, which, if not addressed, can then lead to heat illness.
On the other hand, the US Office of Energy Efficiency & Renewable Energy (EERE) cites that the Centers for Disease Control (CDC) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recommend that building owners and contractors must perform measures to ensure that HVAC systems are functioning properly, especially for schools, among others.
Similar to the main types of the general commissioning process, the method of HVAC commissioning also takes various forms:
It’s important to note that before any construction work begins, the type of HVAC commissioning must be determined according to how the building or infrastructure requires it.
HVAC commissioning must also be part of the 4 stages of building construction to carry out its most effective results. Here’s a brief overview of an ideal process:
Moreover, the HVAC commissioning procedure involves the following steps:
HVAC Commissioning Process
Once the mechanical contractor confirms the successful installation of the HVAC system, it’s now up for a thorough check by an HVAC commissioning engineer. The verification process involves assessing if the equipment has been correctly installed in its proper location. Moreover, commissioning engineers are in charge of ensuring that the installation is up to the requirements of the manufacturer. Using standardized checklists in conducting HVAC maintenance, inspections, and commissioning is highly recommended.
Now that the installation is verified, HVAC engineers or operators now have to observe the equipment and how it’s working. Through in-depth inspection and documentation, they need to double-check and record the equipment’s key functions: startup, shutdown, and sequence of operation. If and when system issues arise, those are then reported to the mechanical contractors in a timely manner.
Once installation, verification, and observation are all done, the HVAC system is now ready for Testing, Adjusting, and Balancing (TAB). TAB is the systematic method of calibrating HVAC units and it is conducted by HVAC contractors, especially on commercial buildings. Its goal is to measure, adjust, and improve air and water flows to meet specific requirements and achieve optimal air quality. Ultimately, conducting TAB in the commissioning of HVAC systems helps in maintaining their overall performance and life span.
iAuditor by SafetyCulture is a mobile-first operations platform that HVAC engineers, managers, and teams can use to achieve optimal productivity and efficiency when it comes to their HVAC commissioning processes.
With the aid of an HVAC app like iAuditor, be able to conduct a more streamlined HVAC commissioning process by doing the following:
Patricia Guevara is a content writer and researcher for SafetyCulture. With her extensive content writing and copywriting experience, she creates high-quality content across a variety of relevant topics. She aims to promote workplace safety, operational excellence, and continuous improvement in her articles. She is passionate about communicating how technology can be used to streamline work processes, empowering companies to realize their business goals.
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