Efficient Silent Array (ESA) - Direct Drive Plenum Fan from PennBarry

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Jun 27, 2025

The PennBarry™ Efficient Silent Array is a modular, direct drive plenum fan with a flexible and scalable design.

Fully capable in standalone applications, the Efficient Silent Array excels as a matrix solution to provide increased system performance and maximize system uptime while lowering overall cost.

Applications

Systems

• High performance VAV systems
• Air Handlers
• Rooftop units
• General supply and return exhaust
• Telecom data centers
• Clean rooms

Commercial Facilities

• Hospitals & Healthcare facilities
• Universities & Schools

Efficient Silent Array Advantage

• Fan redundancy ensures the system continues to perform, even with a fan in the array shut off.
• Stackable, individual units allow flexibility to meet any design criteria.
• Direct drive premium NEMA motor eliminates bearings, belts, and pulleys, reducing maintenance costs significantly.
• Motor base optimization eliminates wasteful, costly, and unnecessary materials.
• Eliminates all resonance conditions.
• PennBarry’s proprietary balance process improves on currently accepted AMCA specifications by considering the effects of the rotating mass on the unit as a whole, not just the wheel.
• Modular units fit through standard door openings for retrofit applications.
• Sound panels enclose the fan and motor to reduce attenuation levels.

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