Ngokwendlela yokushisisa, ingahlukaniswa ibe ibhodwe elinejakhethi yokushisisa isitimu kanye nebhodwe elinejakhethi yokushisisa kagesi. Ukukhethwa kwebhodwe le-steam elifakwe ngejakhethi yakhelwe ngokuya ngezidingo zokushisa zokushisa zezinto noma usayizi wengcindezi yesitimu. Ugqinsi oludingekayo lwepuleti lensimbi likhulu. Ibhodwe elinejakhethi yokushisisa kagesi alinayo inkinga yokucindezela, kodwa ibhodwe elinejakhethi likagesi lokushisisa lidla ugesi omningi, okungawongi kakhulu amandla. Ukushisa kagesi kulungele amabhizinisi ezimboni ngaphandle kwama-boilers we-steam.