With the weather turning colder, many people have been asking questions about fuel-powered heating blowers, such as what type of fuel to use, whether the operating costs are high, and whether fuel-based or electric heating is better. So below I’ve put together a summary...

FAQ on Fuel-Powered Heating Fans for Livestock Farming (Dedicated for Farming Use, Practical Edition)
Ideal for chicken coops, duck houses, pigsties, and brooder rooms, it directly addresses the most common issues related to malfunctions, operation, and safety.
I. Unable to ignite / Ignition failure
No fuel, fuel line blockage
Check the fuel tank for fuel, and inspect the fuel lines for kinks, leaks, or blockages.
Dirty or water-contaminated fuel can cause ignition difficulties.
Ignition electrode issue
Carbon buildup on the electrodes, electrode gap that is too wide or too narrow, or misfire—clean the electrodes or adjust the gap.
Fan not rotating / Low airflow
A malfunctioning fan, low voltage, or a clogged filter can result in ignition failure or immediate flameout.
Chimney / Poor flue gas exhaust
A blocked, excessively long, or highly bent flue can prevent ignition or cause the flame to go out as soon as it ignites.
II. The engine stalls automatically shortly after startup.
Hypoxia protection
The rearing shed is too airtight, resulting in insufficient oxygen, and the equipment automatically shuts down for protection.
Solution: Ventilation openings must be provided; complete enclosure is not permitted.
Overheat protection
The air intake filter is too dirty, resulting in poor heat dissipation and overheating that triggers a shutdown.
Sensor / Temperature Control Fault
A faulty or poorly connected temperature probe can cause false temperature-based shutdowns.
Unstable fuel supply
Air intake is blocked in the fuel line, the fuel pump lacks sufficient pressure, and intermittent combustion causes the engine to stall.
3. Slow heating and inability to reach the set temperature
The power rating is too low.
With a large space and poor insulation, estimate heating requirements at **100–150 W/㎡** (higher for brooding).
The shed has severe air leaks.
Air leaks through door gaps, water curtains, and vents, preventing heat from being retained.
Filter / Ash Accumulation in the Combustion Chamber
Excessive carbon buildup leads to a significant drop in thermal efficiency.
The wind direction is wrong.
Direct hot air should be blown toward the walls and floor, angled upward to promote air circulation.
IV. Smoking, Strong Odor, and Smoked Poultry Chicks
Emit white smoke
Water in the fuel, poor atomization in cold weather, and normal combustion at first that soon disappears.
Emitting black smoke
Incomplete combustion: dirty fuel lines, clogged nozzles, insufficient air supply, and a blocked chimney.
Pungent and irritating to the eyes
Serious hazard: Carbon monoxide leak possible!
Shut down and inspect immediately: chimney damage, air leaks at joints, and smoke leakage from the combustion chamber.
It is strictly prohibited to use stove models without chimneys in enclosed spaces for livestock farming!
V. Abnormal Fuel Consumption, Very High Fuel Consumption
Temperature setting is too high.
Chick brooding is typically maintained at 30–35°C, with the temperature gradually reduced in the later stages; maintaining high temperatures throughout is very energy-intensive.
Poor insulation + frequent start-stop
Air leakage causes the machine to operate at full load continuously.
Nozzle aging and poor atomization
Incomplete combustion wastes fuel and fills the shed with smoke.
VI. Excessive Noise, Vibration, and Abnormal Sounds
Dust accumulation, deformation of the fan impeller, and oil deficiency in the bearings.
The machine is not level and is not securely fixed.
Oil pump and motor aging