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Koenders Free Air Windmills

Field tested and proven successful for over 15 years.

3 tower heights to choose from:

A proven low-maintenance, low cost, highly effective method of maintaining water quality!

Buy with confidence, knowing that ten time-tested design features increase wear, performance and safety.

Windmill Design Features:

• Crankshaft & Bearings
  1" Turned, ground and polished steel crankshaft. Long lasting, heavy duty, durable sealed bearings.
  
  
• Steamlined, Large-Surface Blades
  Engineered for most efficient operation in low and high wind speeds.
  
  
• Large Diaphragm
  Allows windmill to save energy but still produce maximum air volume and maximum longevity.
  
  
• 1/2" Piston Stroke
  Engineered for most efficient air production and maximum diaphragm life.
  
  
• Large Tail
  The large surfaced tail area provides maximum control in all wind speeds and ensures efficient overall operation.
  
  
• Strong Tail Arms
  Tail arm rigidity further ensures windmill control.
  
  
• Top Mounted Compressor
  Top mounting and connected through a rigid pivot tube, provides smooth operation and mechanical longevity. Compressor top air valve assembly makes for very easy maintenance.
  
  
• Pivot Tube
  Re-engineered to eliminate ice build up.
  
  
• Tower Design (12' - 16' - 20' Heights)
  The strong, cross brace reinforcement design gives added strenght to any tower height. This design also discourages climbing of the tower.

The Koenders Windmill can be located up to approximately 1000' from the water source.

Windmill Specifications
Capacity	Up to 1.5 CFM (cubic feet of air per min.)
Turbine Type	Upwind
Rotor Diameter	65"
Swept Area	19.63 sq. ft.
Blade Design	Proprietary
Transmission	Direct drive
Stroke	0.5"
Overspeed Protection	Automatic
Foundation	3 ground rods; 1" diameter pipe, 4' long

Shipping Information
Product	# of pcs	Description	Weight (lbs.)	Dimension
				H	W	D
12' KFA	4	1 Head	39	25"	10-5/8"	15.25"
61" stance	.	1 Blade & Tail	59	17.5"	6.5"	36"
.	.	1 8' Tower section	52.	48"	3.75"	3-9/16"
.	.	1 8'-12' Tower section	27.5	48"	2-3/8"	3-9/16"
16' KFA	5	12' KFA plus	.	.	.	.
79" stance	.	1 12'-16' Tower extension	31.5	48	2-3/8"	3-9/16"
20' KFA	6	16' KFA plus	.	.	.	.
97" stance	.	1 16'-20' Tower extension	39	48	3.5"	3"

Windmills comparison of Koenders vs other brands:

	Koenders Windmills Inc.				Other Brands
	Low	Med	High	Very High	Low	Med	High
Proven Maintenance	•	.	.	.	.	.	•
Proven Longevity	.	.	.	•	•	.	.
Proven Product	.	.	.	•	•	.	.
Proven Quality	.	.	.	•	•	.	.
Price per CFM	•	.	.	.	.	•	•
Warranty	3 years				18 months or less
Manufactured in	North America				Offshore

100% of our time is devoted to the design, testing and perfecting of our products.

To Purchase a Koenders Windmill

To purchase a Koenders windmill or accessories, you can Order Direct Online or use our Locate a Dealer form to find the dealer closest to you.

Customize Your Pond Windmill

Create your own custom painted windmill with our wide selection of weather-resistant powder coated finishes. See our Powder Coated Windmills page or call our toll free number 1-888-777-4933 to pick your color selection.