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Heat stress is one of the leading causes of poor feed conversion, reduced weight gain, and elevated mortality in Philippine broiler farms. When shed temperatures climb during the dry season or in low-elevation farm locations, birds eat less, grow slower, and become more vulnerable to respiratory disease. The Huamin Agri Trading Tunnel Ventilation System is designed to maintain the airspeed and air exchange rates your flock needs to stay comfortable, healthy, and on target weight — regardless of outside conditions.
Not all ventilation fans perform to their advertised specifications. The Huamin 54'' fiberglass cone fan carries an independent BESS LAB (Bio-Environmental Systems Study Laboratory) certified test report, confirming a rated maximum airflow of 50,000 m³/h under -20 Pa static pressure. BESS LAB is the internationally recognized standard for poultry fan performance testing — the same standard used to evaluate fans from the world's leading agricultural equipment suppliers. When you invest in a ventilation system, you deserve third-party verified numbers, not manufacturer claims alone. This certification gives Philippine farm owners that assurance.
Each shed is equipped with 16 fan units, collectively delivering 46,000 m³ of air volume and maintaining a consistent internal wind speed of 2.88 m/s. In tunnel ventilation design, sustained airspeed across the bird zone — not just raw air volume — is what drives the evaporative cooling effect that reduces effective temperature for the flock. At 2.88 m/s, birds experience a meaningful reduction in perceived heat, allowing them to maintain feed intake and normal behavior even as ambient temperatures rise outside the shed.
The fan housing is constructed from fiberglass — not galvanized steel or plastic composite — with an intake area of 60.5" x 60.5" and a depth of 28.5". Fiberglass resists the corrosion, warping, and UV degradation that rapidly compromise metal and lower-grade plastic housings in the humid, high-temperature conditions of Philippine poultry farms. The housing maintains its structural integrity and seal fit over years of continuous operation, preventing air bypass that reduces effective ventilation performance.
The 3-blade, 54" diameter propeller is manufactured from durable plastic engineered for high-RPM continuous operation. The three-blade configuration balances airflow volume with energy efficiency — delivering maximum cubic meters per hour without the motor strain associated with higher blade counts at the same diameter.
Each fan is powered by a 1.5 kW motor rated at 220V/60Hz, single phase — fully aligned with standard Philippine commercial farm electrical infrastructure. With 16 fans per shed, your total ventilation load is a manageable 24 kW, compatible with standard commercial metering without requiring special three-phase service upgrades that add cost and complexity to new farm builds or retrofits.
Tunnel ventilation works by drawing fresh air from one end of the shed and exhausting it at the other, creating a controlled air corridor across the entire bird floor. When correctly sized and installed, this system eliminates stagnant hot zones, reduces ammonia buildup from litter, and maintains the relative humidity levels that support respiratory health. The Huamin system is sized and configured to deliver exactly this environment across standard Philippine commercial broiler shed dimensions.
Global suppliers like Big Dutchman offer ventilation systems engineered for temperate climates where heat management requirements differ significantly from tropical Southeast Asia. Their systems are also priced and supported for large-scale integrators, with lead times and spare parts logistics that do not suit the operational pace of Philippine farm management. Huamin Agri Trading supplies BESS LAB-certified fans configured for Philippine shed dimensions, electrical standards, and climate conditions — with local support when you need a replacement unit or technical assistance between cycles.
Our ventilation specialists will calculate the correct fan placement, quantity, and airspeed configuration based on your specific shed length, width, and stocking density before any equipment is ordered.
Book a consultation with Huamin Agri Trading today and get a ventilation layout designed for your farm's specific conditions.
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