Comparison of COP of different heating systems

Ion boiler STAFOR have passed COP (Coefficient of Performance) testing with a result - 157%, that means its efficienty is 157% (by using 1kW of electrical power ion boilers STAFOR produce 1,57kW of heat energy)
 

Test report you can look here: http://ionheater.blogspot.com/2011/09/cop-heater-157.html

Comparison of COP of different heating systems:

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