Unsure if your building’s HVAC system is performing optimally? Oftentimes in existing buildings, HVAC systems can begin to underperform, costing you money. Along with conducting performance tests on existing HVAC systems, Gausman and Moore runs performance tests on every one of our new construction projects. Therefore, following new building construction, engineers at Gausman and Moore run various tests to ensure all mechanical systems are running correctly and efficiently.


●        Vibration testing

HVAC systems contain various parts with rotating equipment such as fan motors, chillers, and pumps. With this type of equipment comes unwanted vibrations. When we find there is an excessive amount of vibration, what oftentimes follows is equipment failure, structural damage, or even just a nuisance for building occupants. Our skilled mechanical engineers have the ability to isolate harmonic frequencies and completely lock out certain frequency ranges of variable speed drives to help prevent vibration issues before the occur.


●        Duct pressure testing

Ducts can be located in unconditioned spaces, but that means there can be extreme temperature losses through the duct installation. Measuring the difference in temperatures from one area of the duct to another verifies if temperature losses and gains are present and where they can be identified. Once the sources of any temperature losses or gains is identified, they can be addressed by our mechanical engineers.


●        Hydronic testing and balancing

Many HVAC systems utilize water as a medium for heat transfer, and these systems generally need to be balanced for terminal flow using differential pressures. Hydronic water balancing ensures proper water flow can reach all the desired equipment in an HVAC system. The equipment typically in this type of system include chillers, cooling towers, pumps, boilers, and more.


●        Airflow testing and balancing

Airflow over the indoor coil may seem to be optimal, however there is always a possibility that the airflow is not being adequately distributed from room to room. Our engineers will use instrumentation such as Shortridge Electronic Micromanometers, Shortridge FlowHoods, Alnor Rotating Vane Anemometers, and Digital Psychrometers to test the system’s airflow.


●        Total system performance verification

Verifying an HVAC system’s performance as optimal comes at the end of the testing process after all other tests have been completed. We will decide the system’s performing well if it scores more than a specified number of data points. With new and improved testing procedures and diagnostic instruments, along with online verification capabilities, the process for verifying a full system’s performance can take only about 90 minutes to complete.


These are just a few of the various HVAC performance tests completed for our clients. The benefits of these tests can include reduced energy consumption as well as lower operating costs, so if you have an aged HVAC system in your building, it might be best to have our professional engineers test the system to ensure it’s running optimally.