Joe Mescan GEN-2 Windmill Pond Aerator – 3-in-1 Compressor System
The Joe Mescan GEN-2 Windmill Pond Aerator combines dependable wind-powered pond aeration with a versatile, patent-pending 3-in-1 compressor housing. The same housing can be configured as a decorative windmill, a single-bellow aerator, or a double-bellow aerator—giving you the flexibility to adapt the system as your needs change.
Designed with durable components and practical upgrade options, the GEN-2 provides reliable wind-powered pond aeration without electricity or monthly energy costs.
Choose the Right Aeration Configuration
Single-Bellow Compressor
The single-bellow configuration is designed to aerate ponds up to approximately 2 acres when properly configured and installed.
Double-Bellow Compressor
The double-bellow configuration provides greater airflow and is designed for larger ponds up to approximately 4 acres when properly configured and installed.
Decorative Windmill
The bellows can be removed when aeration is not required, allowing the GEN-2 housing to function as a decorative windmill. The same housing can later be converted back to a single- or double-bellow aeration system.
Actual aeration requirements vary based on pond depth, shape, water conditions, diffuser placement, wind exposure, and other site-specific factors.
GEN-2 Features and Benefits
- Patent-pending 3-in-1 modular compressor housing
- Single- or double-bellow compressor options
- Aerates ponds up to approximately 2 or 4 acres, depending on configuration
- Large 78-inch aluminum fan for effective wind capture
- Durable one-piece cast stainless-steel crankshaft
- Stainless-steel bearings
- High-quality brass check valves and yellow zinc-plated steel fittings
- Exclusive 360-degree stone diffuser system
- Multiple tower-height and diffuser-package options
- Operates without electricity or monthly energy costs
- Designed to begin operating in wind speeds as low as approximately 3–5 mph
- Backed by a 5-year limited warranty on covered primary components
Selecting the Proper Windmill Height
Windmill height should be selected according to the installation location and surrounding wind obstructions. In a large, open area with strong wind exposure, a shorter tower can perform as effectively as a taller tower.
If trees, buildings, hills, or other obstructions surround the installation area, choose a taller tower to help place the fan in cleaner, less turbulent airflow. Whenever possible, install the windmill in an open location away from major wind obstructions.
Diffuser Package Options
Select the diffuser package that best matches your pond’s size, shape, and desired number of aeration locations.
Standard Diffuser Package
- 100 feet of direct-burial airline
- 100 feet of self-sinking weighted airline
- One 360-degree air diffuser stone
- Brass check valve and necessary hose connections
Deluxe Two-Diffuser Package
- 100 feet of direct-burial airline
- Two 100-foot coils of self-sinking weighted airline
- Two 360-degree air diffuser stones
- Y-splitter with individual control handles
- Brass check valves and necessary hose connections
Super Deluxe Four-Diffuser Package
- 100 feet of direct-burial airline
- Four 100-foot coils of self-sinking weighted airline
- Four 360-degree air diffuser stones
- Four-way splitter valve with individual control handles
- Brass check valves and necessary hose connections
Recommended Diffuser Depth
For reliable operation in lighter winds, the combined operating depth of all connected diffusers should generally not exceed approximately 16 feet:
- One diffuser: up to approximately 16 feet deep
- Two diffusers: up to approximately 8 feet deep per diffuser
- Four diffusers: up to approximately 4 feet deep per diffuser
For most ponds, place diffusers at approximately half the pond’s maximum depth rather than automatically placing them in the deepest location. Proper placement helps circulate the water while reducing the risk of disturbing undesirable bottom sediment.
Installation Components
The components included with your order depend on the windmill model and diffuser package selected. Complete tower models include the windmill assembly and ground-mounting rods. Roof-mount and windmill-top-only configurations include the components appropriate for those selections.
The compressor can be positioned away from the pond by using properly sized airline. Installation distance, elevation, airline routing, diffuser depth, and the number of diffusers can affect overall system performance.
Five-Year Limited Warranty
The GEN-2 includes a 5-year limited warranty covering designated primary components, including the bellows, crankshaft, bearings, check valves, swivel hose connector, and 360-degree diffuser stones, subject to the complete warranty terms and exclusions.
Review the complete warranty terms before purchasing or installing your windmill.
Need Help Choosing a Configuration?
Every pond and installation site is different. If you need assistance selecting a tower height, compressor configuration, or diffuser package, contact Joe Mescan Windmill LLC before ordering.
Telephone: (440) 236-3278
Email: keith@pondaeration.com

























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