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Duct Free Systems

Duct Free Systems

Whether you’re installing a new HVAC system in a historic home or you just need to heat and cool a small space that you don’t use often, you can turn to Carrier. We offer a full line of high-efficiency ductless solutions that can fit your needs without compromising the integrity of the space or comfort.

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Ductless High Wall Indoor Heat Pumps

615PHA

Evolution® Indoor Ductless High Wall Unit

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Model Family: 615PHA
Purpose: Heat & Cool
Zone Capability: Single Zone and Multizone
Efficiency SEER2: Dependent upon outdoor unit pairing
Efficiency EER2: Dependent upon outdoor unit pairing
Efficiency HSPF2: Dependent upon outdoor unit pairing
Matching Outdoor Unit: Single-Zone: 37MPRA, 37MAHA
Matching Outdoor Unit: Multi-Zone: 37MGHA
Energy Star Rated: ENERGY STAR® certified
Refrigerant Type: Puron Advance
Number of Fan Speeds: Fully modulating fan speeds
Sound Level: Sound: as low as 16 decibels
Wireless Remote: Yes
Factory Warranty Parts: 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • Up-down / right-left louver control (fixed or swing)
  • Relative Humidity Sensor
  • Intelligent Eye (occupancy sensor)
  • Built-in Wi-Fi®
  • ECO Mode
  • Aluminum Golden Hydrophilic pre-coated fins
  • Modes: Cool, Heat, Dry, Fan, Auto
  • Turbo Mode
615AHA

Preferred™ High Wall Indoor Unit

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Model Family: 615AHA
Purpose: Heat and Cool
Zone Capability: Single zone
Efficiency SEER2: Dependent upon outdoor unit pairing
Efficiency EER2: Dependent upon outdoor unit pairing
Efficiency HSPF2: Dependent upon outdoor unit pairing
Matching Outdoor Unit: Single-Zone: 37MGRA
Matching Outdoor Unit: Multi-Zone: 37MBRA, 37MARA
Energy Star Rated: Select systems with ENERGY STAR® certification
Refrigerant Type: Puron Advance
Number of Fan Speeds: 4
Sound Level: Quiet Levels As low as 16 decibels
Wireless Remote: Yes
Factory Warranty Parts: 10-Year Parts Limited Warranty
Manufacturer's Stated Benefits:
  • Modes: Cool, Heat, Dry, Fan, Auto
  • Turbo Mode
  • Sleep Mode
  • Intelligent Eye (Occupancy Sensor)
  • Relative Humidity Sensor
45MHHAQ

Legacy™ Line High Wall Indoor Unit
Model Family: 45MHHAQ
Purpose: Heat & Cool
Zone Capability: Single Zone and Multizone
Efficiency SEER2: Dependent upon outdoor unit pairing
Efficiency EER2: Dependent upon outdoor unit pairing
Efficiency HSPF2: Dependent upon outdoor unit pairing
Matching Outdoor Unit: Single-Zone: 37MHRAQ
Matching Outdoor Unit: Multi-Zone: N/A
Energy Star Rated: No
Refrigerant Type: Puron Advance
Number of Fan Speeds: Four fan speeds
Sound Level: Sound levels as low as 18.5 decibels
Wireless Remote: Yes
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • Auto-restart function
  • Turbo Mode
  • Sleep Mode
  • Follow Me (senses temperature at handheld remote)
  • Up-down louver control (fixed or swing)
  • Filter is removable from the top
  • Improved serviceability with easy access to fan and electrical connections
  • Aluminum Blue Hydrophilic pre-coated fins

Ductless High Wall Indoor Air Conditioners

45MHHAC

Legacy Line™ Indoor Ductless High Wall Cooling-Only Unit
Model Family: 45MHHAC
Purpose: Cool Only
Zone Capability: Single Zone
Efficiency SEER2: Dependent upon outdoor unit pairing
Efficiency EER2: Dependent upon outdoor unit pairing
Matching Outdoor Unit: Single-Zone: 37MHRAC
Matching Outdoor Unit: Multi-Zone: N/A
Energy Star Rated: No
Refrigerant Type: Puron Advance
Number of Fan Speeds: Up to 4 Fan Speeds
Sound Level: Sound levels as low as 19 decibels
Wireless Remote: Yes
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • Auto-restart function
  • Turbo Mode
  • Sleep Mode
  • Up-down louver control (fixed or swing)
  • Filter is removable from the top
  • Improved serviceability with easy access to fan and electrical connections
  • Aluminum Blue Hydrophilic pre-coated fins
  • Attractively styled, high−impact polystyrene.

Carrier Alternate Indoor Ductless Units

45MCFA

Performance™ Ceiling And Floor Console Indoor Unit

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Model Family: 45MCFA
Purpose: Heat and Cool
Zone Capability: Single and Multizone
Efficiency SEER2: Dependent upon outdoor unit pairing
Efficiency EER2: Dependent upon outdoor unit pairing
Efficiency HSPF2: Dependent upon outdoor unit pairing
Matching Outdoor Unit: Single-Zone: 37MARA
Matching Outdoor Unit: Multi-Zone: 37MGRA
Energy Star Rated: Select sizes ENERGY STAR® certified
Refrigerant Type: Puron Advance
Number of Fan Speeds: Three Fan Speeds
Sound Level: as low as 29 decibels
Wireless Remote: Yes
Factory Warranty Parts: 10-year parts limited warranty upon timely registration or Consumer Choice Warranty
Manufacturer's Stated Benefits:
    45MCCA

    Performance™ One Way Cassette Indoor Unit

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    Model Family: 45MCCA
    Purpose: Heat and Cool
    Zone Capability: Single and Multizone
    Efficiency SEER2: Dependent upon outdoor unit pairing
    Efficiency EER2: Dependent upon outdoor unit pairing
    Efficiency HSPF2: Dependent upon outdoor unit pairing
    Matching Outdoor Unit: Single-Zone: 37MARA
    Matching Outdoor Unit: Multi-Zone: 37MGRA
    Energy Star Rated: Select sizes ENERGY STAR® certified
    Refrigerant Type: Puron Advance
    Number of Fan Speeds: Four Fan Speeds
    Sound Level: as low as 23.5 decibels
    Wireless Remote: Yes
    Factory Warranty Parts: 10-year parts limited warranty upon timely registration or Consumer Choice Warranty
    Manufacturer's Stated Benefits:
      45MBFA

      Performance™ Floor Console Indoor Unit

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      Model Family: 45MBFA
      Purpose: Heat & Cool
      Zone Capability: Single & Multi-Zone
      Efficiency SEER2: Dependent upon outdoor unit pairing
      Efficiency EER2: Dependent upon outdoor unit pairing
      Efficiency HSPF2: Dependent upon outdoor unit pairing
      Matching Outdoor Unit: Single-Zone: 37MARA
      Matching Outdoor Unit: Multi-Zone: 37MGRB
      Energy Star Rated: Select sizes ENERGY STAR® certified
      Refrigerant Type: Puron Advance
      Number of Fan Speeds: Three fan speeds
      Sound Level: As low as 22 decibels
      Wireless Remote: Yes
      Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration or Consumer Choice Warranty
      Manufacturer's Stated Benefits:
      • Modes: Cool, Heat, Dry, Fan, Auto
      • Auto-restart function
      • Louver control (fixed or swing)
      • Follow Me (senses temperature at handheld remote)
      • Heating Setback (46° F Heating Mode)
      • Aluminum Blue Hydrophilic pre-coated fins
      45MBDA

      Performance™ Ducted Indoor Unit

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      Model Family: 45MBDA
      Purpose: Heat and Cool
      Zone Capability: Single and Multizone
      Efficiency SEER2: Dependent upon outdoor unit pairing
      Efficiency EER2: Dependent upon outdoor unit pairing
      Efficiency HSPF2: Dependent upon outdoor unit pairing
      Matching Outdoor Unit: Single-Zone: 37MARA
      Matching Outdoor Unit: Multi-Zone: 37MGRA
      Energy Star Rated: Select sizes ENERGY STAR® certified
      Refrigerant Type: Puron Advance
      Number of Fan Speeds: Three Fan Speeds
      Sound Level: as low as 22 decibels
      Wireless Remote: Yes
      Factory Warranty Parts: 10-year parts limited warranty upon timely registration or Consumer Choice Warranty
      Manufacturer's Stated Benefits:
        45MBCA

        Performance™ Cassette Indoor Unit

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        Model Family: 45MBCA
        Purpose: Heat & Cool
        Zone Capability: Single & Multi-Zone
        Efficiency SEER2: Dependent upon outdoor unit pairing
        Efficiency EER2: Dependent upon outdoor unit pairing
        Efficiency HSPF2: Dependent upon outdoor unit pairing
        Matching Outdoor Unit: Single-Zone: 37MARA
        Matching Outdoor Unit: Multi-Zone: 37MGRA
        Energy Star Rated: Select sizes ENERGY STAR® certified
        Refrigerant Type: Puron Advance
        Number of Fan Speeds: Three fan speeds
        Sound Level: As low as 23.5 decibels
        Wireless Remote: Yes
        Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration or Consumer Choice Warranty
        Manufacturer's Stated Benefits:
        • Modes: Cool, Heat, Dry, Fan, Auto
        • Vertical or horizontal installation
        • Auto-restart function
        • Louver control (fixed or swing)
        • Follow Me (senses temperature at handheld remote)
        • Heating Setback (46° F Heating Mode)
        • Built-in condensate lift pump
        • Aluminum Blue Hydrophilic pre-coated fins