H-economizer flash resistance welding kaʻina hana i hoʻohana ʻia, ka welding seam ma hope o ke kiʻekiʻe kiʻekiʻe o ka hui ʻana, weld tensile ikaika, a me ka maikaʻi thermal conductivity.Hiki nō hoʻi iā H-economizer ke hana i nā paipu ʻelua "H" type fin tubes, kona ʻano paʻa, a hiki ke hoʻopili ʻia i kahi manawa lālani paipu lōʻihi.