History · 1980 - 1990

 The square-sided M1 compact instantaneous water heater was successfully introduced and continuously replaced the former round-shape heater form. The production of U2-N stops in 1985.
 Both sons, Jörg and Joachim joined the company. The M1 model gain more and more reputation as a water and energy-saving unit.
 In order to further develop the potential of CLAGE`s ecological motives, the distribution is changed over to the specialized trade. A modern office building is added to enlarge the company.
 CLAGE instantaneous water heaters become very popular in the New Laender of Germany. To develop the export business, the new C series is introduced equipped with a tubular heating element with further models following to upgrade the range.