Enviro Fan

Benefits for Dairy Farmers

Now you can improve production, enjoy a healthier more comfortable environment, and save energy dollars. 


Helps maintain milk production during hot summer days.

When temperatures climb above 80 degrees, you can expect a drop in milk production from your cows.  Researchers have found that by blowing air on the backs of the animals at 5-10 mph, it will help bring production to normal.


Keeping your buildings dryer, summer and winter.

Continuous air movement speeds drying of floors, bedding, walls and ceilings. Seasonal condensation problems are reduced, making for a better environment, such as eliminating slippery floors by disbursement of moisture.  The resulting drying effect and generated air movement in congested areas of animal holding pens result in more contented and healthier animals.


Promotes a healthier, cooler livestock building.

Like human beings, animals suffer in hot stagnant air.  It provides a living hotbed for harmful bacteria, germs and insects.  The Agrifan circulates and disperses air creating a mild wind chill that cools the animals.  Under less demanding conditions, Agrifan can be regulated with solid state variable speed control to operate at 5,600 CFM.  This moving air also dispels odors, making the air fresher as well as cooler.  The result? A healthier, cooler environment for animals and people. Higher production for both.

Why an Agrifan system?

  • Helps dry moist areas
  • Equalizes temperatures throughout barn
  • Helps reduce condensation
  • Gentle breeze improves comfort in summer
  • Air movement discourages flies and insects
  • Circulates animal body heat in winter
  • Costs fraction of a cent per hour to operate
  • Easy to install

Dairy Research

If you’re looking to cut fan energy use and expense without a major investment in new equipment and installation costs, consider the 5-foot ceiling fan. 

In a recent study by Southern California Edison, UC Davis, and the California Energy Commission, 5-foot ceiling fans were compared under summer conditions in large commercial dairies to the traditional 36-inch wall-mounted direct drive fans and 20-foot  ceiling fans.

To achieve equal airflow volume, each 1000 cow free stall barn was equipped with either one hundred 5-foot ceiling fans, one hundred 36-inch wall fans or seventeen 20-foot ceiling fans.  Comparisons showed that barn cooling and cow performance response between these different fan options was equal with the following bottom line results:

  • 5-foot ceiling fans – (Agrifan ceiling fans) Equipment and installation costs per fan, $330.  Total energy cost (100 fans) per year $1800 (83% savings over wall fans).
  • 36-inch wall fans — Equipment and installation costs per fan, $700.  Total energy cost (100 fans) per year $10,760.
  • 20-foot ceiling fans – Equipment and installation costs per fan  $5,325.  Total energy cost (17 fans) per year $1,496 (86% savings over wall fans).