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Ductless Systems

What is Duct Free?

For decades, split-zoning air-conditioning and heat pump systems have been the quiet solution for cooling and heating problems around the world. Our quiet and powerful systems have three main components: an indoor unit, outdoor unit, and remote controller. Installation is as simple as mounting the indoor and outdoor units, connecting the refrigerant lines, and making a few electrical connections.

Why Mitsubishi Electric Systems?

Our commitment to empower homeowners to create their own customized comfort is fueled by continual innovation and refinement. Here are some of the technologies that help cool and heat your home more efficiently and effectively:

 

Hot-start

The indoor unit’s fan only blows air when the coil has warmed to the desired temperature. An energy-saving measure, it also prevents drafts of cold air at start-up.

i-see Sensor™

This sensor scans the room and adjusts temperature and airflow automatically. Maintain consistent comfort by eliminating cold and hot spots.

H2i® Technology

Hyper-Heating INVERTER (H2i) technology is designed to provide comfortable indoor temperatures in extreme cold-climate conditions (as low as -13° F) while saving energy and money.

Zone Control

Why cool or heat rooms you don’t use? Why sweat or shiver in those you do? Zone control allows you to optimize the temperature of any space with an indoor unit to save energy and reduce costs. Create your own perfect comfort zones!

Quiet Operation

Indoor units run quiet as a whisper and outdoor units run quieter than a refrigerator. You have to hear it (or not) to believe it!

Enhanced Filtration Systems

Washable filters last up to 10 years and remove pollen, dust, dander and other allergens that reduce indoor air quality. Each room has its own filter to ensure pristine air.

Where Can Mitsubishi Electric Products Be Used?

If a room is too hot or too cold, Mitsubishi Electric Cooling & Heating can handle it! Mitsubishi split-zoning systems are specifically designed to improve the comfort level in an uncomfortably hot or cold room of an existing building. Because they don't require ductwork, they're the perfect heating and cooling systems for renovating older buildings that were constructed before air conditioning was available - even those with plaster walls and brick facades. The versatility and variety of applications for Mitsubishi Electric systems are virtually unlimited. They're an excellent choice for almost any spot cooling or heating situation, including enclosed sunrooms, upstairs bedrooms, classrooms, hospitals, nursing homes, restaurants, hotels, workout rooms, computer rooms, offices and churches.

They're also equipped with an anti-allergen filter and prevent the cross-flow of air with contaminants. And because they can be controlled by zone, it's easy to set the controls for the exact room temperature you want.

How does it work? Mitsubishi Electric Cooling & Heating can fit into almost any space because their innovative engineering optimizes the capabilities of the INVERTER technology and R410A refrigerant for more efficient systems with smaller indoor and outdoor units. R410A refrigerant is environmentally friendly, with zero Ozone Depletion Potential (ODP). The units themselves are also made of recyclable materials.

Control at Your Fingertips, Anytime, Anywhere!

Kumo Cloud Mobile app system control

NAXWPH

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

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

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
NAXCKS

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

NAXSPB

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

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

NAYWST

NAY Air Conditioner

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Model Family: NAYWST
Purpose: Cooling
Zone Capability: Single Zone
Efficiency SEER: 15.1-24.6 SEER
Efficiency EER: N/A
Matching Outdoor Unit: Single-Zone: NAYSST
Matching Outdoor Unit: Multi-Zone: N/A
Energy Star Rated: ENERGY STAR®
Refrigerant Type: R-410A
Number of Fan Speeds: Vertical air swing on all units
Sound Level: Quiet operation
Wireless Remote: Yes
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts
Manufacturer's Stated Benefits:
  • Cleaner Air with washable anti-allergen filters
  • Compatible with kumo cloud® control app and Thermostat Interface
  • Available capacities in kBtu/h: 09, 12, 15, 18, 24, 30, 36
  • Offers a wide vane for a wider angle of airflow, 150° from left to right

American Standard Alternate Indoor Ductless Units

NAXCKS

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

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

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