H-economizer flash resistance inzira yo gusudira yakoreshejwe, gusudira nyuma yikigereranyo kinini cyo guhuza, gusudira imbaraga, kandi ifite ubushyuhe bwiza.H-economizer irashobora kandi gukora imiyoboro ibiri "double H" ubwoko bwa fin tubes, imiterere yayo ikomeye, kandi irashobora gukoreshwa kumurongo muremure.