Companies with certified / registered products for "Heat cost allocators - Appliances without electrical energy supply"
- Beyer GmbH & Co. KG IBIA Merscheider Busch 23, 42699 Solingen, Germany
- Minol Messtechnik W. Lehmann GmbH & Co. KG Nikolaus-Otto-Str. 25, 70771 Leinfelden-Echterdingen, Germany
- Techem Energy Services GmbH Hauptstr. 89, 65760 Eschborn, Germany