Qhov txahuam tshaj, feem ntau siv piv rau 'thermal break,' yog qhov tseemceeb hauv kev kho tsev thiab kev tsim kho tseem ceeb uas hais txog kev muab ib qho khoom uas muaj qhov kub siab meej rau hauv qhov chaw kom rov qab los ntawm qhov kub siab. Yog qhov 'txahuam' nyob rau hauv qhov chaw kho tsev kom tso caij kub. Lub npe no tuaj yeem hais txog ob qho: lub hnubchaw kho tsev thiab lub khoom nyob ze. Nyob rau hauv qhov chaw kho tsev, qhov txahuam tshaj yog tseemceeb nyob rau tag nrho qhov chaw uas qhov kho tsev raug xeej, xws li thaum lub tog raj yog muab rau ntawm sab nraum qaum, nyob rau hauv thiab sab nraum qaum, thiab nyob rau hauv qhov chaw muaj kev pheej. Qhov txoj caij kub ntawm qhov txahuam tshaj yog qhov kub (k-value), qhov loj (ntxiv thiab dav), thiab qhov sib txuas. Piv txwv li, nyob rau hauv qhov chaw muaj hlau, qhov txahuam tshaj yog qhov polyamide strip uas sib sau ua ke ntawm sab nraud thiab sab nraud. Nyob rau hauv qhov kev xav tias tshaj, txhua qhov chaw lossis qhov yooj yim, tshwj tsis pub muaj nyob rau hauv qhov chaw kho tsev, tuaj yeem hais tau tias yog qhov txahuam, uas piav qhia qhov tseemceeb ntawm qhov sib txuas rau kev ua haujlwm. Qhov txiav xim ntawm qhov txhuam tshaj yog tsim ib qho sib txuas rau sab nraum qaum kom zoo dua, txeem caij kub rau tag nrho qhov chaw kho tsev. Qhov kev xav no tsis yog tsuas yog siv rau kev kho tsev, tab sis kuj siv rau hauv electronics (piv txwv li, thermal breaks nyob rau hauv heat sinks), kev tsim kho tsev, thiab kev tsim kho khoom siv kom manage kub, zoo dua, tso caij kub, thiab kom zoo siab. Kev kho tsev thiab tsim kho qhov txahuam tshaj yog qhov tseemceeb rau kev kho tsev thiab kev tsim kho kom zoo, kom yuav ua tiav, thiab kom nyob ntev.