--- title: "HVLS Fans for Livestock Farms" url: https://tiercooling.com/product/hvls-fans-for-livestock-farms/ date: 2026-09-07 modified: 2026-10-09 lang: en author: "info@tiercooling.com" description: "HVLS-L — HVLS ceiling fan for high, open buildings — factory, warehouse, gym, farm, market and sports-hall air movement with energy-saving PMSM direct drive." image: https://tiercooling.com/wp-content/uploads/2026/09/applications-agriculture-livestock-gen.jpg word_count: 851 --- # HVLS Fans for Livestock Farms Heat stress cuts feed conversion, milk yield and laying rates - and stagnant humid air is where ammonia and respiratory disease concentrate. RDF **HVLS fans for livestock farms** mix a barn from roof to floor at 55-90 rpm with an **IP64 sealed, gearless motor** and corrosion-resistant anodised blades, moving 4,522-15,197 m3/min on under 1.3 kW. ## Why projects specify this RDF HVLS fan - **IP64 motor, no oil, no maintenance visits** in a dusty, corrosive atmosphere - there is no gearbox breather to clog and no oil to contaminate. - **Ammonia and moisture management.** Gentle whole-barn movement breaks up the humid boundary layer over bedding and litter, helping tunnel-ventilation and ridge-extraction systems. - **Heat-stress relief without a chilling draught.** The broad low-speed column avoids the sharp jets of barrel fans that stress young animals. - **Anodised Al-Mg blades and 45# steel hub** tolerate wash-down environments; the motor has a separate protection-grade test report. - **Winter destratification.** Low-speed operation recovers roof heat and keeps bedding drier without over-ventilating in cold months. ## Technical specifications | Model | Diameter | Power supply | Current | Power | Max. speed | Max. airflow | Noise | Net weight | Coverage | | ----- | -------- | ------------ | ------- | ----- | ---------- | ------------ | ----- | ---------- | -------- | | RDF-S3600 | 3,600 mm (12 ft) | 220V/50Hz, 1-phase | 3.0 A | 0.66 kW | 90 rpm | 4,522 m3/min | <38 dB | 72 kg | O 20-24 m | | RDF-S4200 | 4,200 mm (14 ft) | 220V/50Hz, 1-phase | 3.0 A | 0.66 kW | 80 rpm | 5,306 m3/min | <38 dB | 75 kg | O 22-26 m | | RDF-S5200 | 5,200 mm (17 ft*) | 220V/50Hz, 1-phase | 3.0 A | 0.66 kW | 70 rpm | 7,065 m3/min | <39 dB | 78 kg | O 25-30 m | | RDF-B6200 | 6,200 mm (20 ft) | 220V/50Hz, 1-phase | 4.4 A | 1.3 kW | 65 rpm | 10,747 m3/min | <39 dB | 100 kg | O 32-37 m | | RDF-B6200 | 6,200 mm (20 ft) | 380V/50Hz, 3-phase | 3.0 A | 1.3 kW | 65 rpm | 10,747 m3/min | <39 dB | 100 kg | O 32-37 m | | RDF-B6700 | 6,700 mm (22 ft) | 220V/50Hz, 1-phase | 4.4 A | 1.3 kW | 60 rpm | 12,560 m3/min | <39 dB | 105 kg | O 35-40 m | | RDF-B6700 | 6,700 mm (22 ft) | 380V/50Hz, 3-phase | 3.0 A | 1.3 kW | 60 rpm | 12,560 m3/min | <39 dB | 105 kg | O 35-40 m | | RDF-H7200 | 7,200 mm (24 ft) | 220V/50Hz, 1-phase | 4.4 A | 1.3 kW | 55 rpm | 15,197 m3/min | <39 dB | 115 kg | O 38-44 m | | RDF-H7200 | 7,200 mm (24 ft) | 380V/50Hz, 3-phase | 3.0 A | 1.3 kW | 55 rpm | 15,197 m3/min | <39 dB | 115 kg | O 38-44 m | Airflow at maximum speed per the manufacturer type test; running speed is infinitely variable. The 5.2 m model's printed "14 ft" in the source brochure is a brochure typo; the manufacturer's Chinese-market spec table lists 5.2 m = 17 ft, the correct conversion. ## Barn layout notes In open cattle barns and dairy free-stall housing, 6.2-7.2 m fans on 32-40 m spacing cover resting and feeding areas continuously; in poultry houses the 4.2-5.2 m models at lower mounting suit narrower roof spans and zone with the tunnel fans. The vector controller supports temperature-linked speed settings so airflow follows the heat-stress curve automatically group and linkage control are optional for export orders. Fans install with the same anti-drop hub and safety cable used in occupied public buildings - important in buildings inspected for animal-welfare and insurance purposes. ## Backed by a specialist air-treatment manufacturer - 20+ years focused on evaporative cooling and large industrial fans; National High-Tech Enterprise and CRAA-listed manufacturer. - Deputy Director Unit of the national evaporative-cooling industry committee, with 40+ patents and self-developed, patented molds. - Product liability underwritten by CPIC (policy ADNGD0207121Q000109N); type-test, protection-grade and CE motor-conformity documentation supplied with export orders. - RDF equipment is published in service with automotive, food and electronics manufacturers including SAIC-GM-Wuling, FAW-Volkswagen, GAC Toyota/Honda, PepsiCo, Foxconn, Panasonic, Gree, Midea and Haier. ## Ordering the HVLS fan for livestock farms, cattle barns and poultry houses - **MOQ:** 10 units - **Lead time:** 10 units in about 5 days; 100 units in about 20 days; 500 units in about 60 days - schedule varies by model and production plan, confirmed per order - **Trade terms:** FOB Shenzhen - **Payment:** T/T - 35% deposit, 65% balance paid before shipment - **Warranty:** 2-year warranty on the complete unit per the factory's warranty policy: motor 2 years, controller 2 years. Overseas spare-parts support (wear-parts list, quotation and dispatch lead time) is confirmed with your order. - **Documentation:** CE conformity reports for the PMSM drive motor (EMC 2014/30/EU, LVD 2014/35/EU), IP-rating report and 7.2 m type-test reports (220 V / 380 V) are available with your order. Send your floor dimensions, ceiling height and heat-load description (a sketch or photo is enough) - we reply with a model recommendation, layout and quotation within one business day via the [contact page](/contact/). ## Frequently asked questions ### Does the IP64 motor survive a farm environment? IP64 means protection against harmful dust deposits and water splashes from any direction; with the gearless (breather-free) design it is the configuration chosen for dusty, high-ammonia atmospheres. The IP-rating test report is on file. ### Won't big fans blow bedding and feed around? Not at the recommended mounting and speed. The HVLS principle delivers a wide, slow column that spreads horizontally at floor level - distinctly different from the narrow high-speed jet of a barrel fan. ### How does it work with tunnel ventilation? HVLS fans do not replace tunnel fans; they homogenise the air the tunnel system moves, eliminating still hot pockets under the ridge and over pens, improving effective cooling across the full house width. ### What about winter? At minimum speed the fan gently destratifies warm roof air, keeps litter drier and reduces condensation without the cold-air exchange of full ventilation - a documented benefit for respiratory health and feed conversion. ## Related products - [HVLS Fans for Factories](/product/hvls-fans-for-factories/) - [Portable Evaporative Air Cooler (18Y/20H)](/product/portable-evaporative-air-cooler-18y-20h/) - [Energy-Saving Industrial Ceiling Fan](/product/energy-saving-industrial-ceiling-fan/) ## More from TierCooling - [View installed project references](/projects/) - [About the manufacturer](/about/) - [All products in this category](/product-category/hvls-ceiling-fans/) ## FAQ ### What does HVLS mean? High Volume, Low Speed: large-diameter ceiling fans that move a very large air volume at low rotational speed, covering big floor areas with gentle, even airflow instead of concentrated high-speed blasts. ### Why choose a PMSM direct-drive HVLS fan? Permanent-magnet synchronous motors with direct drive run at high efficiency with fewer wearing parts than geared designs - meaning lower energy use, quieter operation and less maintenance over the fan's life. ### Which sites use HVLS ceiling fans? Typical applications include factories, warehouses, gyms and sports halls, markets and malls, playgrounds and sports fields, and livestock farms - any large space where uniform airflow and lower energy cost matter. ### How is fan size and unit count decided? Selection comes from floor area, mounting height and the obstruction layout of the site; suppliers model diameter and placement from drawings so airflow reaches working zones evenly.