Commercial DOAS – Hydronic Cooling High Outside Air

Reznor’s YWMA dedicated outdoor air system (DOAS) brings high volumes of fresh outside air into commercial buildings. This unit was designed to reach IAQ ventilation levels in line with ASHRAE 62 standards. Model YWMA features industry-leading insulated foam panel cabinet construction and configurable options.

YWMA Product Literature


Key features of the YWMA

  • Modulated dampers and fans
  • Backward incline plenum fan with direct-drive motor
  • 2" foam panel cabinet construction
  • 208-575 volt power
  • Ice cube relays & terminal strip wiring


The YWMA has many benefits including:

  • Easy to service
  • Quiet operation
  • Sturdy, long-lasting construction
  • Maximum efficiency
  • Status and airflow pressure ports allow you to dial in exactly the amount of air needed
  • Supports almost any job application

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