E le likarolo tse ncha tsa phetisetso ea matla ka masimo a motlakase, li-coil tsa plug-in li sebetsa ho latela melaoana ea ho koala. Bokhoni ba bona ba ho fetisa matla ke e 'ngoe ea litšoaneleho tsa bona tse tsotehang,' me ke likarolo tsa bohlokoa tseo boteng ba tsona bo hlokahalang bakeng sa litsamaiso ha tahlehelo ea matla e ka hlahisoa ka mokhoa o sa thabiseng, ho fokotsa ts'ebetso le bokhoni. Sena se bakoa ke hore khafetsa linthong tse kang lisebelisoa tsa ho khantša koloi, li-coil li bohlokoa bakeng sa ho nka matla a tlaase a betri le ho a fetola likete tsa li-volts tsa betri tse ka hlahisang tlhase ea motlakase ka har'a li-plug, ebe li hotetsa peterole. Ho phaella ho sena sohle, lits'ebetsong tse ling tse tsoetseng pele tsa HVAC (Heating, Ventilation le Air Conditioning), mekhoa e sebetsang ka ho fetisisa le e sebetsang ea ho fetisetsa matla a mocheso (bohareng ba mekhoa ea ho futhumatsa le ho futhumatsa) e thehiloe.