Thermal pepala khadi ndi mankhwala apamwamba, ndi mtundu wa kutentha tcheru kusindikiza malemba ndi zithunzi pepala wapadera. Amagwiritsidwa ntchito kwambiri muzamalonda, zamankhwala, azachuma ndi mafakitale ena abilu, zolemba ndi zina.
Khadi la pepala lotentha ndi pepala lapadera lomwe limagwiritsa ntchito ukadaulo wamafuta kusindikiza zolemba ndi zithunzi. Zili ndi ubwino wa liwiro losindikizira mofulumira, kutanthauzira kwakukulu, palibe chifukwa cha makatiriji a inki kapena nthiti, osalowetsa madzi ndi mafuta, komanso nthawi yayitali yosungirako. Amagwiritsidwa ntchito kwambiri m'mafakitale amsika, makamaka azamalonda, azachipatala ndi azachuma, kupanga mabilu, zolemba, ndi zina.