Duct Free System Product Offering


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 and HSPF ratings, the more efficient they will be.

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.

American Standard

Ductless Outdoor Heat Pumps

NAXSPB Outdoor Ductless Heat Pump

NAXSPB Outdoor Ductless Heat Pump

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Model Family: NAXSPB
Purpose: Heat & Cool
Zone Capability: Single zone
Efficiency SEER: Up to 33.1 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 13.5 HSPF
Energy Star Rated: ENERGY STAR®
Refrigerant Type: R-410A
Sound Level: Quiet operation
Compressor: INVERTER-driven compressor
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.
Factory Warranty Compressor: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • Double-vane air delivery for enhanced circulation
  • 3D i-see Sensor™
  • Infrared human sensing technologies to measure location of human heat signatures
  • Multi-function wireless controller
  • Available capacities in kBtu/h: 06, 09, 12, 15, 18
  • Hyper-heating performance down to -13° F outdoor ambient
NAXSST Outdoor Ductless Heat Pump

NAXSST Outdoor Ductless Heat Pump

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Model Family: NAXSST
Purpose: Heat & Cool
Zone Capability: Single zone
Efficiency SEER: 14.5 – 24.6 SEER
Efficiency EER: N/A
Efficiency HSPF: 8.2 – 12.8 HSPF
Energy Star Rated: ENERGY STAR® certified
Refrigerant Type: R-410A
Sound Level: Quiet operation
Compressor: INVERTER-driven compressor
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.
Factory Warranty Compressor: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • Auto restart and auto cooling/heating changeover
  • Vertical air swing on all units
  • Compatible with kumo cloud® control app and Thermostat Interface

Ductless High Wall Indoor Heat Pumps

NAXWPH Indoor Ductless High Efficiency Heat Pump

NAXWPH Indoor Ductless High Efficiency Heat Pump

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Model Family: NAXWPH
Purpose: Heat & Cool
Zone Capability: Single & Multi Zone
Efficiency SEER: Up to 33.1 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 13.5 HSPF
Matching Outdoor Unit: Single-Zone: NAXSPB
Matching Outdoor Unit: Multi-Zone: NAXMMX
Energy Star Rated: Energy Star Rated
Refrigerant Type: R-410A
Number of Fan Speeds:
Sound Level: Quiet operation
Wireless Remote: Multi-function wireless controller
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • 100% heating at 5° F
  • Hyper-heating performance down to -13° F outdoor ambient
  • Double-vane air delivery for enhanced circulation
  • 3D i-see Sensor™
  • Infrared human sensing technologies to measure location of human heat signatures
NAXWST Indoor Ductless Wall-Mounted Heat Pump

NAXWST Indoor Ductless Wall-Mounted Heat Pump

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Model Family: NAXWST
Purpose: Heat & Cool
Zone Capability: Single zone and multi zone
Efficiency SEER: Up to 24.6 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 12.8 HSPF
Matching Outdoor Unit: Single-Zone: NAXSST
Matching Outdoor Unit: Multi-Zone: NAXMMX
Energy Star Rated: ENERGY STAR® certified
Refrigerant Type: R-410A
Number of Fan Speeds: Vertical air swing
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • INVERTER-driven compressor
  • Auto restart and auto cooling/heating changeover
  • Vertical air swing on all units
  • Compatible with kumo cloud® control app and Thermostat Interface
  • Provides instant warmth even in extreme climates (down to -13° F)
NAXWMT Indoor Ductless Pro Line Heat Pump

NAXWMT Indoor Ductless Pro Line Heat Pump

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Model Family: NAXWMT
Purpose: Heat & Cool
Zone Capability: Single Zone
Efficiency SEER: Up to 18 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 10 HSPF
Matching Outdoor Unit: Single-Zone: NAXSMT
Matching Outdoor Unit: Multi-Zone: N/A
Energy Star Rated: Energy Star Rated
Refrigerant Type: R-410A
Number of Fan Speeds: Four fan speeds
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • Anti-mold filter
  • INVERTER-driven heat pump
  • Available capacities in kBtu/h: 09, 12, 15, 18, 24

Ductless Outdoor Air Conditioners

NAYSST Air Conditioner Outdoor Unit

NAYSST Air Conditioner Outdoor Unit

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Model Family: NAYSST
Purpose: Cool Only
Efficiency SEER: 15.1 to 24.6 SEER
Efficiency EER: N/A
Zone Capability: Single Zone
Energy Star Rated: ENERGY STAR® certified
Refrigerant Type: R-410A
Sound Level: Quiet operation
Compressor: Inverter- Driven Compressor
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.
Factory Warranty Compressor: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • Compatible with the ST Series indoor unit
  • Available capacities in kBtu/h: 09, 12, 15, 18, 24, 30, 36

American Standard Alternate Indoor Ductless Units

NAXCKS Indoor Ductless Ceiling Cassette Heat Pump

NAXCKS Indoor Ductless Ceiling Cassette Heat Pump

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Model Family: NAXCKS
Purpose: Heat & Cool
Zone Capability: Single & Multi Zone
Efficiency SEER: Up to 16 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 9.6 HSPF
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT
Matching Outdoor Unit: Multi-Zone: NAXWST, NAXWPH,NAXWMT
Energy Star Rated: No
Refrigerant Type: R-410A
Number of Fan Speeds: N/A
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • INVERTER-driven compressor
  • Provides cooling and heating in a wide range of capacities
  • Ventilation air knockouts
  • Built-in condensate lift mechanism
  • Multiple airflow adjustments
  • Available capacities in kBtu/h: 09, 12, 15
PEAD Indoor Horizontal-Ducted Heat Pump

PEAD Indoor Horizontal-Ducted Heat Pump

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Model Family: PEAD
Purpose: Heat & Cool
Zone Capability: Single & Multi Zone
Efficiency SEER: Up to 19.4 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 12.1 HSPF
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT
Matching Outdoor Unit: Multi-Zone: NAXMMX
Energy Star Rated: No
Refrigerant Type: R-410A
Number of Fan Speeds: N/A
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • INVERTER-driven compressor
  • Built-in condensate lift mechanism (up to 27-9/16
  • Static capability up to 0.60 in. wg
  • Option filter box with MERV-13 filters
  • Interlock with Lossnay
  • 2-stages of supplemental heat control
NAXFKS Indoor Ductless Floor-Mounted Heat Pump

NAXFKS Indoor Ductless Floor-Mounted Heat Pump

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Model Family: NAXFKS
Purpose: Heat & Cool
Zone Capability: Single & Multi Zone
Efficiency SEER: Up to 28.2 SEER
Efficiency EER: N/A
Efficiency HSPF: Up to 13 HSPF
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT
Matching Outdoor Unit: Multi-Zone: NAXWST, NAXWPH,NAXWMT
Energy Star Rated: Energy Star Rated
Refrigerant Type: R-410A
Number of Fan Speeds: N/A
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts.

Manufacturer’s Stated Benefits:

  • Rapid heating
  • Operates with 25% less power than competing models
  • Recessing is an option
  • Available capacities in kBtu/h: 09, 12, 15, 18