1.Italian RIELLO burner 2.90% heat efficiency 3.600-1800 m2 heat area 4. Accuracy numerical controller 5.National 1 level Oil fired automatically greenhouse heaterThe air heaters are widely used for warming, drying, ventilating and cooling in agriculture greenhouse, flower planting, livestock workshop, hall, meeting room and theatre, also for removing damp in paper making, tea making, medicine ...