kosten:
Cooler: (((TW *16)/1000)*30.42)*C = Monthly Energy Cost
Freezer: (((TW)*18)/1000)*30.42)*C = Monthly Energy Cost
16 = Design run time for a Cooler per day
18 = Design run time for a Freezer per day
30.42 = Average days in a month
A = Amperage
V = Total Voltage of refrigeration unit
C = Your cost per kilowatt in Euros
TW = (A*V) for condensing unit + (A*V) for evaporator coil
------------------------------------------------------------
Example: 8×10 cooler, Condensing Unit A = 9.5, V = 230, Evaporator Coil A
= .9, V = 115
C = Euro ,1189
9.5*230 = 2,185 condensing unit watts
.9*115 = 103.5 evaporator unit watts
TW = 2,185 + 103.5 = 2,288.50
((((2,288.50)*16)/1,000)*30.42)*Euro.1189 = Euro 132.44
Other cost considerations are :
There are several assumptions that can affect your actual operating
cost.
The type of insulation in the walk-in.
Efficiency of the refrigeration system.
Inside and outside temperature of walk-in.
Where the walk-in is located.
The temperature and the weight of the product entering the walk-in.
How often the door is opened.
The age of the walk-in.
Cost of electricity.
[Editiert am 4.7.2012 um 10:33 von Birk]
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dabei. Das entspricht dem Stromverbrauch eines normalen Einfamilienhauses.
Nix ist so teuer wie Technik die Luft elektrisch kalt macht. 
