You have two models in this series of Wind Stopping Air Curtainunits. They both come with the AMCA certification. The 14 comes with either 2 or 3 HP motors, which push away wind gusts up to 20MPH with heights up to 14ft high.  

The Wind Stopping 16 gives you protection blocking wind gusts up to 15MPH and heights up to 16ft with 5 to 7 HP motors.