- , 3 , . , ...![]() ![]() - - ( 10-25 ) - , ... 50% , . Faci,Termodinamik, Zota, Bioten, PEREKO, Metal-Fach SMART EKO, Heiztechnik, Gaimet, Defro ... ? . . -? - . - 5 25 , . , . - , ( 4700 7100 / (. ) ( 4200 - 4500 /) - , . 20 . , -. : 20 = 140 000 . : : 250, 500 . ! 250 = 1200. 500 = 2400. + . ( - ) 250 3600. 500 5700. 20 = 140 000 . ![]() |