Comparison Evaluations of VRF and RTU Systems Performance on Flexible Research Platform

Table 3

Regression models for VRF power consumption for heating season.

Category	Operation	Regression models	R^2
VRF hourly energy use (Wh)	VRF100		0.83
	VRF75		0.73
	VRF50		0.92

a: outdoor air temperature (°C); c: time of day.