Pilo mbale kutentha exchanger tichipeza awiri zitsulo mapepala, amene welded pamodzi ndi mosalekeza kuwotcherera laser.Chotenthetsera chamtundu wa gululi chikhoza kupangidwa mosiyanasiyana ndi makulidwe osiyanasiyana.Ndiwoyeneranso kugwiritsa ntchito kupanikizika kwambiri komanso kutentha kwambiri, imapereka magwiridwe antchito osunthika otenthetsera.Pogwiritsa ntchito kuwotcherera kwa laser ndi njira zofukizidwa, kumapangitsa chipwirikiti chamadzimadzi kuti chipeze ma coefficients otengera kutentha.