Measure COP of an installation in cooling mode?

Is it possible to measure the COP of a VRF installation when it’s cooling?I understand the inputs to be energy (watts) and the BTUs needed to maintain a set point… Is it possible to measure the COP of a VRF installation when it’s cooling?I understand the inputs to be energy (watts) and the BTUs needed to maintain a set point…Read MoreGreenBuildingAdvisor