Which radiator is the right one? Kermi’s extensive range Kermi has been producing radiators in Germany since 1967 and, in 2005, revolutionised the market with its patented x2 technology. Today, 75 [...] its patented x2 technology. Today, 75 million of its steel panel radiators have been installed. The Kermi x-optimised system [...] heated simultaneously. Kermi therm-x2 steel panel radiators are based on the patented x2 principle of serial flow. The flow [...] spring-loaded bearings reduce noise to a minimum x-flair can be combined with all therm-x2 steel panel radiators, blending in perfectly [...]