FluxTwin™ CoolWise

FluxTwin Insight

CoolWise

Data Centre Cooling Intelligence Platform

Select Data Centre

EMPA

Zurich · Switzerland

ONLINE

RISE

Lulea · Sweden

ONLINE

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Loading real-time data and calculating KPIs

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System Performance ▶

Visualization Controls ▶

Temperature Scale

MinMax

Rack Opacity

20%

Node Analytics

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Inlet

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Outlet

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CPU

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CPU %

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Power

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ASHRAE Inlet Compliance

15°C182732°C

Cooling Architecture ▶

Air Supply

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Air Return

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HRU Water Inlet

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HRU Water Outlet

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⏳Ready

KPI	Full Name	Formula	Target Range	Ideal
PUE	Power Usage Effectiveness	PUE = E_DC / E_IT	1.0 ≤ PUE ≤ 2.0	1.0
CoP	Coefficient of Performance	CoP = 1 / (PUE − 1)	—	∞
ERF	Energy Reuse Factor	ERF = E_REUSE / E_DC	0.5 ≤ ERF ≤ 1.0	1.0
REF	Renewable Energy Factor	REF = E_RES-TOT / E_IT	0.6 ≤ REF ≤ 1.0	1.0
PES	Primary Energy Savings	PES = 1 − (E_sys / E_ref)	—	0
WUE	Water Usage Effectiveness	WUE = W_site / E_IT	0 ≤ WUE ≤ 1.8	0
CUE	Carbon Usage Effectiveness	CUE = PUE × CF_grid	—	0
ITEUsv	IT Equipment Utilization for Servers	ITEUsv = Active CPU Utilization / Total Capacity	60–100%	100%
ITEEsc	IT Equipment Energy Efficiency for Servers	ITEEsc = ITEUsv / PUE	—	Max