Trench heat exchanger detached house DE-Opfenbach AmbitGeothermal systemsSystems/productsJANSEN powerwave collect P4 with 60 m trench lengthInstallation companyGeser Erdwärme, Opfenbach/DEFinish2019ContactWould you like advice on our projects, or do you have any other questions?Contact back to overview Products JANSEN powerwave collect trench heat exchanger