Energy Flips

Key Aspects About Electricity Consumption: Difference between revisions

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| Travel (compact) hairdryer, short hair || 1100-1200 W || 600 W (low setting) || 0.25 hours (15 minutes) || 4.5 kW/h
| Travel (compact) hairdryer, short hair || 1100-1200 W || 600 W (low setting) || 0.25 hours (15 minutes) || 4.5 kW/h
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| Travel (compact) hairdryer, long hair || 1100-1200 W || 1600 W (low setting) || 0.45 hours (27 minutes) || 8.1 kW/h
| Travel (compact) hairdryer, long hair || 1100-1200 W || 1200 W (high setting) || 0.45 hours (27 minutes) || 8.1 kW/h
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| Standard hairdryer, short hair || 2000-2200 W || 1000 W (low setting) || 0.15 hours (9 minutes) || 4.5 kW/h
| Standard hairdryer, short hair || 2000-2200 W || 1000 W (low setting) || 0.15 hours (9 minutes) || 4.5 kW/h
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Appliances that heat water or food can have quite an important contribution to overall consumption. In many cases, they are much more convenient to use and more efficient and than, for instance, simple teapots used on an electric cooking machine.  
Appliances that heat water or food can have quite an important contribution to overall consumption. In many cases, they are much more convenient to use and more efficient and than, for instance, simple teapots used on an electric cooking machine.  


Purpose built devices can be optimized and this is certainly the case. However, just like any device, it stands to reason that they have to be determined as essential to be used in a certain manner.
Purpose built devices can be optimized and this is certainly the case. However, as in most cases, it stands to reason that they have to be determined as essential to be used in a certain manner.


In the case of an office, it all boils down to convenience and a pleasant working climate. If few employees use such devices on a constant basis, there is no major concern about consumption, although more efficient devices would help in limiting consumption.
In the case of an office, it all boils down to convenience and a pleasant working climate. If few employees use such devices on a constant basis, there is no major concern about consumption, although more efficient devices would help in limiting consumption.
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! Device !! Typical power rating !! Sample rating !!  Daily use !! Monthly consumption
! Device !! Typical power rating !! Sample rating !!  Daily use !! Monthly consumption
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| Common kettle || 2000-2200 W || 2000 W || 0.3 hour || 18 kW/h
| Common kettle || 2000-3100 W || 2000 W || 0.3 hour || 18 kW/h
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| Common cafetiere || 500-800 W || 600 W || 2 hours (if left running) || 36 kW/h
| Common cafetiere || 600-1000 W || 600 W || 2 hours (if left running) || 36 kW/h
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| Common grill || 1000-2100 W || 1500 W || 0.5 hours || 27 kW/h
| Common grill || 1000-2100 W || 1500 W || 0.5 hours || 27 kW/h
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| Common toaster || 600-1000 W || 800 W || 0.25 hours || 6 kW/h
| Common toaster || 600-1000 W || 800 W || 0.25 hours || 6 kW/h
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| Common water dispenser || 120 W (cooling)-430 W (heating) || 400 W || 2 hours || 18 kW/h
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