How can you identify underperforming HVAC systems in facilities?

1 Check the energy consumption

One of the most obvious indicators of an underperforming HVAC system is a high or increasing energy bill. You can use energy meters, submeters, or smart thermostats to monitor and analyze the energy consumption of your HVAC system and compare it to the industry benchmarks or your own historical data. If you notice any spikes, fluctuations, or anomalies in your energy usage, you may have a problem with your HVAC system that needs to be addressed.

2 Inspect the equipment and components

Another way to identify underperforming HVAC systems is to inspect the physical condition and performance of the equipment and components, such as the air filters, ducts, coils, fans, compressors, and refrigerants. You can use visual inspection, thermal imaging, vibration analysis, or other diagnostic tools to detect any signs of wear, damage, leakage, corrosion, or malfunction. You should also check the settings and controls of your HVAC system to ensure that they are properly calibrated and aligned with your facility's needs and occupancy patterns.

3 Measure the indoor air quality and comfort

The ultimate goal of an HVAC system is to provide a comfortable and healthy indoor environment for the occupants of a facility. Therefore, you should also measure the indoor air quality and comfort parameters, such as the temperature, humidity, air flow, pressure, noise, and carbon dioxide levels. You can use sensors, meters, or gauges to collect and record these data and compare them to the recommended standards or guidelines. You should also solicit feedback from the occupants and staff about their satisfaction and comfort levels with the HVAC system.

4 Conduct a facility condition assessment

A comprehensive way to identify underperforming HVAC systems is to conduct a facility condition assessment (FCA), which is a systematic evaluation of the physical condition and functional performance of a facility and its systems, including the HVAC system. An FCA can help you identify the current and future needs, risks, and opportunities of your facility and prioritize the necessary repairs, replacements, upgrades, or improvements. You can use software, checklists, or templates to conduct an FCA or hire a professional consultant to assist you.

5 Implement an HVAC optimization program

Once you have identified the underperforming HVAC systems in your facility, you can take action to improve them by implementing an HVAC optimization program. An HVAC optimization program is a strategic plan that aims to enhance the efficiency, reliability, and sustainability of your HVAC system through various measures, such as preventive maintenance, energy audits, retrofits, commissioning, or recommissioning. An HVAC optimization program can help you reduce your energy costs, improve your indoor air quality and comfort, extend the life span of your equipment, and comply with the codes and regulations.

6 Keep learning and improving

Finally, you can identify and prevent underperforming HVAC systems by keeping yourself updated and informed about the latest trends, technologies, and best practices in the HVAC industry. You can also use data, feedback, and benchmarks to monitor and evaluate the performance of your HVAC system and identify any gaps or areas for improvement. You can also seek professional advice, training, or certification to enhance your skills and knowledge in HVAC system optimization.

7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?