The Installation/Maintenance/Repair Technician will be responsible for running performance testing on HVAC equipment, including air to water chillers, according to ASHRAE / UL standards. This role supports the HVAC Commercial Engineering team by setting up, instrumenting, and testing Client rooftop units. The technician will also fabricate and assemble testing apparatuses to support the testing and development of commercial HVAC products. Additional responsibilities include performing electrical and mechanical modifications to test units and components, accurately recording and documenting test data, calibrating test equipment, and troubleshooting units or instrumentation issues.