... burn coal,oil,gas.... 1) Consumption: 50,000 / 100,000 / 200,000kcal 2) Heating supplying area: 300 / 600 / 1,200m2 3 ... system 5) Complete incubation and insulating design, low heating loss 6) Italian imported burning component 7) Stainless steel firing chamber, heating ... wind system, gaining national patent Diesel burning air heater fan(200,000kcal)