Reznor model RHH is the new pre-engineered air handler with 91% efficiency. Model RHH is available in four sizes, 130MBH, 180MBH, 260MBH and 350MBH, and can be used with either natural gas or propane. Model RHH units are approved for makeup air and space heating applications in commercial/industrial installations in the United States and Canada by ETL Testing Agency.

RHH Product Literature


Key features of the RHH

  • Patented TCORE3® combustion system with TCORE heat exchanger
  • Minimum 91% 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 RHH can be used in many markets including:

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

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