Fresh Air for Fresh Milk

Dairy cows production is affected when there is a repetition of abrupt temperature swings. Properly designed ventilation will moderate or eliminate the abrupt temperature swings offering the cow the sensation of cooling under hot conditions and warming under cold conditions.

One of the great recent innovations in dairy ventilation  for more efficient and energy-saving way is the large (up to 7.3 meter (24 FT) diameter) HVLS ceiling fans.

OPT is the first  manufacturer of this type of fan in China with R&D team to develop and upgrade the performance of HVLS fans.

This technology means the 7.3m diameter fan produce 13200CMM breeze that cover 1800M2, which is much cheaper and much more energy-efficient than 50 sets conventional small high-speed fans as seen in many barns hanging from posts and ceilings. 

The OPT HVLS fan slowly moves and mixes massive amounts of air creating a more homogenous ambient climate for all forms of livestock. The animals sense an overall breeze, not an evasive direct blast of air stream. These very large OPT fans draw the warmer air from the upper ceiling areas mixing it with the lower regions of air moderating temperatures. Farmers also notice a significant drop in flies along with much dryer beds and alleyways due to this overall air movement.