Iikhoyili zevaping zintliziyo yaso nasiphi na isixhobo somphunga, esinoxanduva lokufudumeza ulwelo lwe-e-liquid kunye nokuluguqula lube ngumphunga. Ezi zinto zincinci kodwa ziyimfuneko ngokwesiqhelo zenziwe ngocingo oluxhathisayo, olufana nekanthal, intsimbi engatyiwa, i-nickel, okanye i-titanium, esongelwe kwimilo yekhoyili. Xa amandla asetyenziswa kwibhetri, i-coil iyatshisa, ifake i-e-liquid efakwe kwi-wicking material ejikelezayo, ngokuqhelekileyo ikotoni.