538KR Evolution® Multi-Zone Heat Pump with Basepan Heater

No Ductwork, No Problem – Premium Comfort for Up to Nine Separate Spaces

The outdoor component of a K Multi-Zone Ductless System, this Evolution® System heat pump can provide comfort to a single large room, or throughout your home when connected with up to nine indoor units. Inverter-controlled operation means comfort is quiet and energy-efficient. From the hottest summer days, to frigid winter nights (down to -4° F), this system can keep you and your family comfortable.


    • Inverter Compressor
    • Up to 22.0 SEER cooling efficiency
    • Up to 10.2 HSPF heating efficiency
    • Select sizes are ENERGY STAR® certified based on indoor unit combinations
    • Available in 208/230V
    • Sizes ranging from 18 to 56
    • Built-in basepan heater
    • Total piping length from 66 ft. to 476 ft. depending on unit size
    • Connects two to nine indoor units (zones) to a single outdoor unit
    • Multiple style indoor units, Ducted or Ductless (Evolution® System)
    • Quiet outdoor sound operation, as low as 56 decibels1
    • System diagnostics
    • 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration2
    • Compatible units: 619FB High Wall, 619KB High Wall, 619KC Cassette, 619KD Ducted, 619KF Floor Console
    • Optional Features
      • Branch Boxes (required for sizes 48 & 56)
  • To Order this Product

    Call Healthy Home Tampa – (800) 890-6835

1 Quietest size within each model group during most common cooling operating condition.
2 If properly registered within ninety (90) days after original installation, parts are warranted to the original purchaser for a period of 10 years. Otherwise, parts warranty is 5 years. For other applications a 7-year parts and 7-year compressor limited warranties apply. See warranty certificate for details.