... fuel heater 1,High effective warm engine in cold surrounding. 2,12V or 24V. 3,Low fuel consumption. FJH air fuel ... and work normally in ambient with temperature of above -40'C.2) They absorb fresh air under ambient temperature and heat it ... USD 110,000 4.42 Western Europe USD 70,000 2.81 Northern Europe USD 170,000 6.83 Southern Europe ...