Technology for energy-efficient homes. Heat recovery, floor heating, ceiling cooling and heating, photovoltaics, air conditioning, heat pumps, insulation, and freeze protection for pipes. Energy consulting, energy performance certificate (PENB) preparation, grant applications, technical support, customized solutions, and on-site consultations.

We offer a wide selection of car batteries, including classic, efb and agm types to meet the specific needs of different vehicles. Our traction batteries are ideal for solar systems, caravans and boats. We are happy to help you select and size a battery to suit your application.

We supply components for the manufacture and installation of windows and doors and associated trades: exterior and interior sills, window hardware, handles, gutters, handles, locks, hinges, inserts, closers, door fillers, gaskets, fasteners and installation materials, construction chemicals, tools, preassembled windows blaugelb Triotherm+.