Exciting news—we now represent Mainstream in Massachusetts, Maine and New Hampshire!
Mainstream is a leading manufacturer of modular fan arrays, recognized for continued innovation in Permanent Magnet Synchronous Reluctance Motor (PMEC) technology and highly flexible array configurations. Their solutions are ideally suited for both retrofit applications and new custom air handling equipment with Cambridgeport – addressing the evolving demands of modern HVAC systems.
Mainstream offers a comprehensive range of specialty AMCA Certified fan arrays utilizing high‑efficiency fan wheels paired with multiple motor technologies, including PMEC, EC, and premium‑efficiency AC motors (TEFC / TEAO). This broad motor flexibility allows each system to be tailored to the specific performance, efficiency, and control requirements of individual projects.
Energy efficiency is a central focus of Mainstream’s product development. Their PMEC‑powered fan arrays are engineered to maximize system performance while significantly reducing energy consumption, delivering meaningful operating cost savings for building owners and facility managers.
Customization is core to Mainstream’s approach. Their modular fan cubes are fully configurable and designed to fit within tight or unconventional boundary conditions, making them an excellent solution for space‑constrained retrofits and engineered air handler designs. This modularity allows engineers and contractors to overcome challenging layouts while maintaining performance, redundancy, and serviceability.
The most complete offering of fan arrays in the market:
- High-powered, Scalable Fan Arrays for Maximum Airflow (300,000 CFM+ / 14″ SP)
- Medium pressure, compact solutions (100,000 CFM + / 8″ SP)
- High Performance / Low Pressure Axial Fan Arrays (<5″ applications)
- Vertical blade backdraft dampers for zero added pressure drop
- Explosion Proof / severe duty applications
- Cutting Edge EC Motor options (infinitum EC motors)
- Stainless-steel fans, motors, pedestals and framing available for corrosive environments
- Single Point Power Panels with Premium Controls Packages:
- single point power panels / 24v controls panels
- PLC Controllers
- Touchscreen HMI
- Individual / total CFM readings
- Cooling Tower Fan Array Retrofits:
- applying the benefits of fan arrays systems to cooling towers
- Built in redundancy
- Serviceable
- Low Noise









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