THE SUB has an energy label of "A+". This means this is one of the most efficient appliances within the home draught system category. THE SUB uses an average of 10 Watts in a “steady state.” This means the home temperature is 20-22°C, the SUB Keg is pre-chilled to 2°C, and THE SUB is not pouring. It is comparable to an unopened refrigerator. 10 Watts is the same as a usage of 0,010 kWh per hour. THE SUB Compact uses an average of 11 Watts in a “steady state”. On an annual basis, when THE SUB is switched on all year, the energy consumption in the "steady state" is approximately 87.6 kWh.
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