GEA Renzmann & Grünewald

Double-tube technology from GEA Renzmann &amp; Grünewald optimises heat exchangers in economic and ecological terms. <br /><br /><br /><br /><br /><br /><br /><br />



  • Transformer oil air coolers
  • Transformer cooling systems
  • Air preheater
  • Double-tube technology
  • Thermal technology solutions