38MAR Preferred Series

Great for a room addition or converted space, this Preferred Series ductless heat pump isn't afraid of a little cold snap. Designed to deliver in conditions that other heat pumps fear, this model can pump out 100% of its capacity as temperatures drop to 5°F outside (when properly sized and matched with specific indoor units). Efficient, quiet and flexible, it's the practical solution for your ductless needs.

Features and Benefits

  • 100% heating capacity at 5°F
  • Inverter compressor
  • Up to 25.0 SEER cooling efficiency
  • Up to 12.0 HSPF heating efficiency
  • Select sizes are ENERGY STAR certified based on indoor unit pairing
  • Available in 115V and 208/230V
  • Sizes ranging from 09 to 36
  • Built-in basepan heater
  • Pipe length 82-164 ft. depending on unit capacity and system configuration
  • Refrigerant leakage detection
  • Condenser high-temperature protection
  • Quiet outdoor sound operation, as low as 52.5 decibels
  • Line lengths 82-164 ft. depending on unit capacity and system configuration
  • 46°F heating mode (heating setback)
  • 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration (certain conditions apply)
  • Compatible units: 619PB High Wall, 619RC Cassette, 619RD Ducted, 619RF Floor Console


  • Energy Efficiency- Up to 25.0 SEER/15.0 EER/12.0 HSPF
  • Meets ENERGY STAR guidelines for high efficiency

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