R22 – R134a – R407F – R410a – R 449a – R507A – R 404A – R 1234ze / yf
European F-Gas Regulation and environment protection efforts restrict the use of these refrigerants more or less. Pro: the lower costs in comparison to natural refrigerants. Con: higher expenses for operation and electric connection. Moreover we suggest taking service and availablity into consideration for a hollistic approach.