Product Catalog

Products & Solutions

Mainstream Fluid & Air supplies engineered HVAC equipment for commercial and industrial facilities, including fan arrays, air-handling components, replacement coils, cooling tower fan systems, and HVAC controls. Each solution is developed around the requirements of your project.

Fan Systems

Fan Arrays & Air-Moving Equipment

Engineered fan solutions for air-handling, ventilation, and airflow applications across commercial and industrial facilities.

Fan Arrays

Custom modular fan array systems designed for air-handling and ventilation applications, applicable to both new equipment and retrofit projects where multiple fans operate together as a coordinated airflow system.

Typical Applications

  • Air-handling unit retrofits
  • New AHU construction
  • Commercial ventilation upgrades
  • Industrial ventilation systems

Key Capabilities

  • Modular, multi-fan configuration
  • Configurable to airflow and pressure needs
  • Compatible with HVAC control integration
  • Designed around access and dimensional constraints

Plenum Fans

Fan solutions supporting commercial and industrial air-handling applications where efficient airflow is required within AHUs and related equipment enclosures.

Typical Applications

  • Air-handling unit supply and return air
  • Commercial building ventilation
  • Industrial process air movement

Key Capabilities

  • Compact plenum-style housing
  • Suited to AHU integration
  • Selectable to project airflow requirements

Axial Fans

Axial airflow solutions supporting ventilation and other high-volume commercial and industrial applications where straight-through airflow is required.

Typical Applications

  • High-volume ventilation systems
  • Cooling tower airflow
  • Industrial exhaust and supply air

Key Capabilities

  • High airflow-volume capability
  • Suited to duct and tower-style installations
  • Configurable mounting orientations

Air-Handling Solutions

Equipment and components supporting new and retrofit air-handling applications, developed around the airflow and mechanical requirements of the facility.

Typical Applications

  • New air-handling unit projects
  • AHU modernization and retrofit
  • Commercial and industrial ventilation

Key Capabilities

  • Compatible with fan array and coil integration
  • Developed around existing equipment footprints
  • Supports phased retrofit planning
Heat Transfer Equipment

Replacement Coils

Replacement heating and cooling coils for existing HVAC equipment, specified to match the dimensions, connections, and operating conditions of the application.

Water Coils

Replacement water coils for heating and cooling applications within existing air-handling and HVAC equipment.

Typical Applications

  • Chilled water cooling coils
  • Hot water heating coils
  • AHU coil replacement projects

Key Capabilities

  • Specified to existing connection points
  • Matched to existing unit dimensions
  • Suited to commercial and industrial systems

Steam & Refrigerant Coils

Replacement steam heating coils and refrigerant coils for existing equipment requiring in-kind replacement or performance restoration.

Typical Applications

  • Steam heating applications
  • Direct-expansion refrigerant cooling
  • Industrial process heating and cooling

Key Capabilities

  • Application-specific coil construction
  • Coordinated with existing piping and connections
  • Suited to retrofit and modernization projects
Cooling Tower Equipment

Cooling Tower Fan Systems

Cooling Tower Fan Systems

Modular fan configurations designed for cooling tower replacement and modernization applications, supporting existing tower structures and mechanical infrastructure.

Typical Applications

  • Cooling tower fan replacement
  • Cooling tower modernization projects
  • Industrial and commercial cooling systems

Key Capabilities

  • Modular multi-fan configuration options
  • Designed for retrofit into existing towers
  • Compatible with HVAC control integration

HVAC Controls

Control systems supporting fan operation, speed management, monitoring, and integration with HVAC systems for coordinated equipment performance.

Typical Applications

  • Fan array control coordination
  • Cooling tower fan control
  • Building automation integration where configured

Key Capabilities

  • Coordinated multi-fan operation
  • Speed control capability
  • Local and remote monitoring options

Not Sure Which Solution Fits Your Project?

Send us your equipment nameplate data, drawings, or project details and our team will help identify the right approach.