Wind Power


Whisper H-40 Wind Turbine

For Moderate To High Winds!

Designed for outstanding performance in medium to high wind, (12 mph average and above), the Whisper H40 is the economical solution. With a smaller blade and swept area, the rugged H40 is the option for sustained high winds. In a 12 mph average wind (5.4 m/s) the H40 delivers 100 kW/h per month to your batteries.


  • Grid Tied Systems
  • Water pumping
  • Remote home and cabins
  • Cathodic protection
  • Remote monitoring and signaling
  • Telecommunications systems


Rotor Diameter 7 Feet (2.1 meters)
Weight 47 lbs. (21 kg)
Mount 2.5 Inch Schedule 40
Start-up Wind Speed 7.5 MPH (3.4 m/s)
Voltage 12, 24, 32, 48 VDC
Peak Power 900 Watts @ 28 MPH (12.5 m/s)

Features of the H-40 Wind Generator

  • Permanent magnet brushless alternator
  • EZ Wire 120 amp controller allows up to 700 watts of PV
  • Cast aluminum housing
  • 2 year warranty
  • Three blade design
  • Blade material: Injection-molded fiber reinforced


H-40 / H-80 Comparison Charts:

Wind Power Index