HVAC RETRO-COMMISSIONING | SCHOOL
HVAC Retro-commissioning ASHRAE Chapter 42, HVAC Building Commissioning Retro-commissioning (RCx) involves commissioning the building HVAC equipment after the equipment has been installed, commissioned, is running and usually after the warranty period has expired. The performance of building HVAC equipment normally degrades with use and time. The rate of performance degradation depends on the quality of maintenance and operations applied to the HVAC equipment. The quality of maintenance also impacts the life expectancy of the HVAC equipment. A facility retro-commissioning effort should include development of an Owner’s Project Requirements (or owner’s intent), documentation of the existing system, a survey identifying operational inefficiencies for the facility, quantifying and prioritizing the inefficiencies found, determining how to best optimize the equipment or operation, implementing the change and trainin...