34% Reduction in Office Refrigerant Temperature Control in Japan

Building and Equipment Overview


Japan Building A (office and mixed-use building)
VRV type air conditioner (Total: 26 HP)

Start of Energy-Saving Control:

February 2007

Reduction Results:

34% reduction in air conditioning power consumption

Control Overview

Power consumption is reduced with almost no effect on the indoor temperature by increasing the indoor unit refrigerant temperature.

Control Results

Comparison of performance with and without control

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