... equipment. 2.Has no pollution, no noise. IntroductionBiogas heating stove is a new type environmental friendly heating equipment which is ... screen displayer, can show the working conditions of the heating stove.3,Soft touch keys, can operate accurately.4,Can ... 9,Coercive system of input and exhaust gas.10,Use cover machine type blower, has low noise. biogas heating stove/natural gas heating stove