Chicken with warm air heaters, warm air furnaces coop, warm air furnace farming, chicken warm high thermal efficiency furnace, heat transfer speed, economizer saving, pollution-free, easy to install, easy to use, small footprint, long life, sheds, an ideal brood heating, heat transfer speed: ignition 20 minutes or so, from the furnace outlet temperature of up to 100 to 150 degrees, quickly sent to the premises by hot air blower can each corner, and consistent temperature. 2, the thermal efficiency of up to 90% less coal power. 3, direct heat exchange with the air of indoor air can play the role of sterilization. 4, safe and reliable, no water, no pressure, no pollution. 5, reasonable structure, small footprint, easy to install, easy to operate. 6, fuel widespread: coal, wood, straw and other combustible materials can be. 7, a wide range of applications, except for heating, drying, it can also serve to eliminate dead area, so that circulation fan function.