Cov hlau ua roj lossis cov khoom siv roj av, roj carbon monoxent, tshuaj tua hluav taws xob, roj carbon monoxide, cov roj ntsha, cov hlau loj-lub zog hlau thiab cov hlau tsawg. Lub operating kub feem ntau los ntawm -20 degree rau 500 degree, thiab qee tus tuaj yeem ncav cuag 560 degree.