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Duct Free Systems

Duct free heating and cooling systems make your home's individual rooms or other small spaces more comfortable. Remember, just like whole-home systems, the higher the SEER/SEER2 and HSPF/HSPF2 ratings, the more efficient they will be.

The DOE’s regional breakdown by state is as follows:

  • North
    • 14.0 SEER/ 13.4 SEER2
    • 8.8 HSPF/7.5 HSPF2
  • Southeast
    • 15.0 SEER/ 14.3 SEER2
    • 12.2 EER/11.7 EER2
    • 8.8 HSPF/7.5 HSPF2
  • Southwest
    • 15.0 SEER/ 14.3 SEER2
    • 12.2 EER/11.7 EER2
    • 8.8 HSPF/7.5 HSPF2
DOE Regional SEER Breakdown Map

SEER/SEER2 And HSPF/HSPF2

SEER2 is an updated rating standard introduced by the DOE. SEER2 standards are intended to provide a better gauge of typical home operating conditions whereas the older SEER rating utilized very precise protocols to determine ratings in ideal conditions. SEER2 standards include updated testing means that give a better indication of how a unit will operate in the real world.

HSPF2 is the newest type of rating system that expands on the basic HSPF scale.

Much like miles-per-gallon for a car, SEER/SEER2, EER/EER2 and HSPF/HSPF2 offer an easy way to compare efficiencies of different products – the higher the rating, the more efficient the unit. Just be sure you are comparing either SEER vs SEER or SEER2 vs SEER2 (same for EER/EER2 and HSPF/HSPF2).

EER2 vs. SEER2

EER2 and SEER2 both evaluate an air conditioner’s energy efficiency, but they’re concerned with two different types of temperature conditions:

  • EER2 measures an air conditioner’s efficiency at the peak cooling temperature of 95°F.
  • SEER2 measures an air conditioner’s efficiency throughout an entire cooling season, with temperatures ranging from 65°F to 104°F.

Call Major League Comfort Systems Heating and Air To Find Out If Duct-Free Systems Are Right For You.

We offer a variety of through-the-wall packaged terminal air conditioners (PTAC) and duct free heating and cooling systems to meet any individual room's needs. Call us now at (760) 945-0975.

Ductless Outdoor Heat Pumps

37MGHA

Evolution Multi-Zone High-Heat Heat Pump with Basepan Heater

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Model Family: 37MGHA
Purpose: Heat & Cool
Zone Capability: Multi Zone
Efficiency SEER2: Up to 25 SEER2
Efficiency EER2: up to 15 EER2
Efficiency HSPF2: up to 11.3 HSPF2
Energy Star Certified: Select sizes are ENERGY STAR® certified based on indoor combinations
Refrigerant Type: Puron Advance
Sound Level: As low as 61 decibels
Compressor: Inverter Compressor
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • Built-in basepan heater
  • 116% Heating Capacity at 5° F (-15° C) (Sizes 30 & 48)
  • Refrigerant leakage detection
  • Connects three to five multiple style indoor units to a single outdoor unit
  • Condenser high-temperature protection
  • Compatible units: High Wall, 1-Way Cassette, 4-Way Cassette, Slim Duct, Floor Console, Air Handler
37MPRA

Evolution® Heat Pump with Basepan Heater

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Model Family: 37MPRA
Purpose: Heat & Cool
Zone Capability: Single Zone
Efficiency SEER2: Up to 35.1 SEER2
Efficiency EER2: Up to 17.5 EER2
Efficiency HSPF2: Up to 30 HSPF2
Energy Star Certified: ENERGY STAR® certified
Refrigerant Type: Puron Advance
Sound Level: Outdoor sound: as low as 57 decibels
Compressor: Inverter Compressor
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • 100% Heating Capacity at 0° F (-17° C)
  • 100% Cooling capacity at -22° F (-30° C) without additional kit
  • Up to 75% of Heating Capacity at -22° F (-30° C)
  • Built-in basepan heater
  • Auto-restart function
  • Refrigerant leakage detection
  • Anti-corrosive fin coating
  • Heavy-gauge, galvanized steel construction
37MAHA

Evolution™ Heat Pump with Basepan Heater

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Model Family: 37MAHA
Purpose: Heat and Cool
Zone Capability: Single Zone
Efficiency SEER2: Up to 27.5 SEER2
Efficiency EER2: up to 18 EER2
Efficiency HSPF2: up to 14.8 HSPF2
Energy Star Certified: Select sizes are ENERGY STAR® certified based on indoor unit pairing
Refrigerant Type: Puron Advance
Sound Level: Quiet Levels as low as 53 dB(A
Compressor: Inverter
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration
Manufacturer's Stated Benefits:
  • 100% Heating Capacity at 5° F (-15° C)*
  • Built-in basepan heater
  • Refrigerant leakage detection
  • Condenser high-temperature protection
  • 46° F heating mode (heating setback)
  • Compatible units: 45MAHA High Wall, 45MBCA/45MCCA Cassette, 45MCFA/45MBFA Console, 45MBDAQ Ducted, 45MBAA Air Handler
37 MUHA

PREFERRED CROSSOVER HEAT PUMP

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Model Family: 37 MUHA
Purpose: Heat and Cool
Zone Capability: Single zone
Efficiency SEER2: Up to 19 SEER2
Efficiency EER2: Up to 12.5 EER2
Efficiency HSPF2: Up to 10.8 HSPF2
Energy Star Certified: Meets ENERGY STAR® guidelines for high efficiency in all sizes
Refrigerant Type: Puron® Advance Refrigerant
Sound Level: as low as 59 dBa
Compressor: Variable-Speed
Factory Warranty Parts: 10-year parts limited warranty upon registration
Factory Warranty Compressor:
Manufacturer's Stated Benefits:
    37 MURA

    LEGACY COMPACT CROSSOVER HEAT PUMP

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    Model Family: 37 MURA
    Purpose: Heat and Cool
    Zone Capability: Single zone
    Efficiency SEER2: Up to 18.8 SEER2
    Efficiency EER2: Up to 11 EER2
    Efficiency HSPF2: Up to 9.7 HSPF2
    Energy Star Certified: No
    Refrigerant Type: Puron® Advance Refrigerant
    Sound Level: as low as 55 dBa
    Compressor: Variable-Speed
    Factory Warranty Parts: 10-year parts limited warranty upon registration
    Factory Warranty Compressor:
    Manufacturer's Stated Benefits:
      37MHRAQ

      Legacy Line Heat Pump

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      Model Family: 37MHRAQ
      Purpose: Heat & Cool
      Zone Capability: Single Zone
      Efficiency SEER2: Up to 22.4 SEER2
      Efficiency EER2: Up to 12.6 EER2
      Efficiency HSPF2: Up to 9.4 HSPF2
      Energy Star Certified: N/A
      Refrigerant Type: Puron Advance
      Sound Level: Sound levels as low as 52.5 decibels
      Compressor: Inverter Compressor
      Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
      Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration
      Manufacturer's Stated Benefits:
      • Built-in basepan heater
      • Auto-restart function
      • Condenser high-temperature protection
      • Anti-corrosive fin coating

      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 Certified: 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 Certified: 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
      45MHHAC

      Legacy Line™ Indoor Ductless High Wall Cooling-Only Unit

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      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 Certified: 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.

      Ductless High Wall Indoor Air Conditioners

      45MHHAC

      Legacy Line™ Indoor Ductless High Wall Cooling-Only Unit

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      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 Certified: 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.

      Ductless Outdoor Air Conditioners

      37MHRAC

      Legacy™ Line Air Conditioner

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      Model Family: 37MHRAC
      Purpose: Cooling
      Efficiency SEER2: Up to 22.2 SEER2
      Efficiency EER2: Up to 12.5 EER2
      Zone Capability: Single Stage
      Energy Star Certified: Select sizes qualified
      Refrigerant Type: Puron Advance
      Sound Level: Sound levels as low as 52 decibels
      Compressor: Inverter Compressor
      Factory Warranty Parts: 10-year parts limited warranty upon registration
      Factory Warranty Compressor: 10-year compressor limited warranty upon registration
      Manufacturer's Stated Benefits:
      • Available in 115V and 208/230V
      • Refrigerant leakage detection
      • Auto-restart function
      • Anti-corrosive fin coating

      Bryant Alternate Indoor Ductless Units

      45MBCA

      PREFERRED® DUCTLESS 4-WAY CASSETTE WITH PURON ADVANCE

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      Model Family: 45MBCA
      Purpose: Heat and Cool
      Zone Capability: Single Zone
      Efficiency SEER2: Up to 23.7 SEER2
      Efficiency EER2: Up to 18.0 EER2
      Efficiency HSPF2: Up to 12.4 HSPF
      Matching Outdoor Unit: Single-Zone: 37MAHAQ Heat Pump
      Matching Outdoor Unit: Multi-Zone: 37MGRA
      Energy Star Certified: ENERGY STAR®
      Refrigerant Type: Puron Advance
      Number of Fan Speeds: Three fan speeds
      Sound Level: Silent mode indoor operation as low as 23.5 dB(A)
      Wireless Remote: Yes
      Factory Warranty Parts: 10-year parts limited warranty
      Manufacturer's Stated Benefits:
      • Anti-corrosive fin coating
      • Washable built in filter
      • Heating Setback (46F Heating Mode)
      45MBDA

      Preferred™ Ducted Indoor Unit

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      Model Family: 45MBDA
      Purpose: Heat & Cool
      Zone Capability: Single and 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 Certified: N/A
      Refrigerant Type: Puron Advance
      Number of Fan Speeds: Three Fan Speeds
      Sound Level: Sound levels as low as 22 decibels
      Wireless Remote: Yes
      Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration
      Manufacturer's Stated Benefits:
      • Modes: Cool, Heat, Dry, Fan, Auto
      • Vertical or horizontal installation
      • Up to 0.8 in WG
      • Rear or bottom return
      • Outside air intake
      • Built-in condensate lift pump
      • Anti-Corrosive Fin Coating
      • Unit cabinet is constructed of galvanized steel. The cabinet is fully insulated for improved thermal and acoustic performance.
      45MCFA

      Preferred™ Ceiling/Floor Console Indoor Unit

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      Model Family: 45MCFA
      Purpose: Heat & Cool
      Zone Capability: Single and 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 Certified: N/A
      Refrigerant Type: Puron Advance
      Number of Fan Speeds: Three fan speeds
      Sound Level: Sound levels as low as 29 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:
      • Modes: Cool, Heat, Dry, Fan, Auto
      • Refrigerant leak detection system
      • Auto-restart function
      • Louver control (fixed or swing)
      • Anti-corrosive fin coating
      • Follow Me (senses temperature at handheld remote)
      • Heating Setback (46° F Heating Mode)