Ukubaluleka kweenqanawa zoxinzelelo kumashishini anamhlanje kuyabonakala. Ngokukodwa abatshintshi bobushushu bevolumetric, abadlali indima ebalulekileyo kuphela kutshintshiselwano lwamandla, kodwa bakwabonisa amandla amakhulu ekusebenzeni kwe-thermal kunye nokusetyenziswa kwamandla. Namhlanje, makhe sithethe ngesihloko semikhumbi yoxinzelelo olucwangcisiweyo, ngakumbi indlela yokukhetha kunye nokwandisa i-volumetric heat exchangers.