High Efficiency, Gas Heating, available in 11 sizes 75 MBH - 400 MBH

Reznor's RDH is the new rooftop, power-vented addition to the Reznor brand line of Pre-Engineered Ventilation Air-Handlers (PREEVA). Model RDH is available in 11 sizes from 75MBH to 400MBH. Each size is designed for a minimum 81% thermal efficiency and is available for use with either natural gas or propane.

Model RDH rooftop, power-vented heaters are approved for commercial/industrial installations in the United States and Canada by the ETL Testing Agency.

RDH Product Literature


Key features of the RDH

  • Patented TCORE2® combustion system - includes titanium stabilized aluminized steel heat exchanger
  • ETL certification
  • Minimum 81% thermal efficiency throughout modulated range
  • Maximum 70°F temperature rise (optional 120°F)
  • Circuit breaker protected transformer for 24-volt controls
  • Integrated circuit board with diagnostic indicator lights
  • Evaporative Cooling is provided as an option


The RDH can be used in many markets including:

  • Retail
  • Showrooms
  • Offices
  • Workshops
  • Schools
  • Exhibition Halls
  • Hospital / Medical
  • Sports Facilities
  • Churches
  • Water Treatment
  • Transportation Terminals
  • Industrial Manufacturing
  • Warehouse/Distribution
  • Food & Beverage
  • Pharmaceutical & Biotech

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