Lower your heating costs through demand-based heating control and help to reduce CO2 emissions. Thanks to its innovative concept of converting heat from the radiator into electrical energy, you not only avoid toxic battery waste, but also never have to worry again about replacing batteries. As an EnOcean-compatible wireless solution, the MVA004 can be retrofitted quickly and easily without any impact on building structure. Raise your building to energy efficiency class A or B (EN15232) and make your sustainable and environmentally friendly contribution to help stop climate change.