0% Financing for 24 Months* Available - Buy Now and Pay later!

Mitsubishi 12,000 BTU GX-Series 25.6 SEER2 Single Zone Wall Mount Mini Split Heat Pump System – R454B | 230V

Required Fields *

By

Mitsubishi

In stock

Model

MUZ-GX12NL / MSZ-GX12NL

ID

199113

In Stock - Ready to Ship
Was $2,692.96
Your Low Price $2,337.73
 
Free Shipping
Customize Mitsubishi 12,000 BTU GX-Series 25.6 SEER2 Single Zone Wall Mount Mini Split Heat Pump System – R454B | 230V
12,000 BTU Mitsubishi Single Zone Condenser - R454B
12,000 BTU Mitsubishi Single Zone Condenser - R454B   + $1,528.00
12,000 BTU Mitsubishi GX-Series Wall Mount Mini Split Air Handler - R454B
12,000 BTU Mitsubishi GX-Series Wall Mount Mini Split Air Handler - R454B   + $809.73
Installation Kit for Condensers
Equipment Pad
Mitsubishi MHK2 Wireless Remote Controller
15 feet - 1/4" and 3/8" Line Set
14

$2,337.73

12,000 BTU Mitsubishi GX-Series 25.6 SEER2 Single Wall Mounted Mini Split Heat Pump System - R454B | MUZ-GX12NL / MSZ-GX12NL

Experience high-efficiency comfort with the Mitsubishi GX-Series 12,000 BTU Mini Split Heat Pump System. Designed to offer superior cooling and heating performance, this system features an impressive 25.6 SEER2 efficiency rating and utilizes Mitsubishi's Hyper-Heating INVERTER® (H2i®) technology to maintain reliable operation even in extreme cold conditions. The MSZ-GX12NL indoor air handler works in tandem with the MUZ-GX12NL outdoor unit, creating an effective and energy-efficient solution for medium-sized rooms, home offices, and living spaces.

Key Features:
  • Hyper-Heating INVERTER® (H2i®): Ensures reliable heating in temperatures as low as -13°F, ideal for year-round comfort even in colder climates.
  • 25.6 SEER2 Efficiency: With its high energy efficiency, this system helps you save on electricity bills while providing consistent comfort.
  • Eco-Friendly R454B Refrigerant: The R454B refrigerant is a low-GWP, environmentally friendly alternative that meets future industry standards.
  • Inverter-Driven Compressor: Adjusts the power consumption based on the room's needs, reducing energy usage and ensuring consistent, comfortable temperatures.
  • Quiet Operation: Designed for ultra-quiet performance, making it perfect for bedrooms, offices, or other noise-sensitive environments.
System Components:
  • Indoor Unit: MSZ-GX12NL Wall-Mounted Air Handler
  • Outdoor Unit: MUZ-GX12NL Heat Pump Condenser
Additional Benefits:
  • Great for spot cooling and heating in single-zone applications.
  • Convenient smart control options for remote management of your comfort system.
  • Backed by Mitsubishi's world-class engineering, reliability, and warranty for long-lasting performance.

Whether you're cooling your home during the summer or heating it in the winter, the Mitsubishi GX-Series 12,000 BTU Mini Split Heat Pump System with Hyper-Heating technology ensures your space stays comfortable all year round, while helping you keep energy costs in check.

Mitsubishi 12,000 BTU GX-Series Single Zone Mini Split Heat Pump Condenser – R454B | 230V

MUZ-GX12NL - Inverter Heat Pump Outdoor Unit

The MUZ-GX12NL is a high-performance outdoor unit designed for efficient heating and cooling. It pairs with the MSZ-GX12NL indoor unit to offer reliable comfort in both residential and commercial environments. Below are the key features and specifications:

Key Features:

  • Dual Barrier Coating: Reduces contaminants on the heat pump's surface, improving airflow and reducing maintenance.
  • Blue Fin Coating: An anti-corrosion treatment for the outdoor unit, protecting it from salt, sulfur, and other contaminants, ideal for coastal areas.
  • Inverter-Driven Compressor: Generates the exact capacity needed for efficient temperature maintenance.
  • Powered by Outdoor Unit: Automatically restarts the system after a power outage, ensuring seamless operation.
  • Quiet Operation: Operates with minimal noise, both indoor and outdoor, maintaining a quiet environment.
  • Multiple Control Options: Includes a backlit remote, comfort app, and third-party interfaces for easy management of settings.
  • Smart Dry Mode: Improves humidity control with minimal over-cooling, creating a more comfortable environment.

Specifications:

  • Cooling Capacity: Rated at 12,000 BTU/h, with a maximum capacity of 14,000 BTU/h at 95°F outdoor temperature.
  • Heating Capacity: Rated at 14,400 BTU/h at 47°F, with a maximum of 18,100 BTU/h.
  • Energy Efficiency: SEER2 rating of 25.6 and HSPF2 of 10.7 for high energy savings and minimal environmental impact.
  • Power Input: 900W in cooling mode, 1,100W in heating mode, ensuring efficient energy use.
  • Dimensions: The outdoor unit measures 31-1/2 x 11-1/4 x 21-5/8 inches and weighs 71 lbs (32.2 kg).
  • Electrical Requirements: 208-230V, 1 phase, 60Hz with a recommended fuse size of 15A.
  • Sound Pressure: 49 dB(A) in cooling mode and 51 dB(A) in heating mode for quiet operation.

The MUZ-GX12NL offers reliable performance and efficiency in a wide range of conditions, making it a versatile choice for your heating and cooling needs.

Mitsubishi 12,000 BTU GX-Series Single or Multi Zone Wall Mounted Mini Split Air Handler – R454B | 230V

MSZ-GX12NL Air Handler Overview

The MSZ-GX12NL air handler is a reliable and efficient solution for heating and cooling in residential and light commercial spaces. Designed for consistent indoor comfort, it delivers quiet operation, improved air quality, and user-friendly controls. Its compact, durable design allows for easy installation in a variety of environments.

Key Features

  • Energy-Efficient Operation: The MSZ-GX12NL is designed to operate efficiently, helping reduce energy consumption while maintaining consistent indoor temperatures and comfort.
  • Quiet Performance: Engineered for minimal noise, this air handler ensures a peaceful indoor environment, making it suitable for bedrooms, offices, or other quiet areas.
  • Compact and Modern Design: Its sleek, space-saving design allows the unit to blend seamlessly into residential and commercial interiors, accommodating tight installation spaces.
  • Enhanced Air Quality: The high-performance filtration system captures dust, allergens, and other airborne particles, contributing to a healthier indoor environment.
  • Durable Construction: Built with corrosion-resistant materials, the MSZ-GX12NL is designed for long-term reliability, even in humid or challenging environments.

Specifications

  • Cooling Capacity: 12,000 BTU/h
  • Heating Capacity: 14,300 BTU/h
  • Power Supply: 208-230V, 60Hz, 1-phase
  • Dimensions: 31-1/2" (W) x 11-5/8" (H) x 25-1/4" (D)
  • Weight: 26 lbs

Advanced Features and Benefits

  • Remote Control: Adjust temperature, fan speed, and operation modes easily from anywhere in the room using the included remote.
  • Auto Restart Function: After a power interruption, the air handler automatically restores its previous settings, maintaining uninterrupted comfort.
  • Self-Diagnosis System: Detects faults and displays error codes for easy troubleshooting, reducing service calls and downtime.
  • Washable Filters: Easily removed and cleaned filters promote better air quality and reduce the need for frequent replacements.

Installation and Maintenance

  • Flexible Installation: Compact design allows for versatile placement options in homes, apartments, and light commercial spaces.
  • Low Maintenance: Routine cleaning of washable filters ensures optimal performance and air quality, reducing the need for professional servicing.

Applications

  • Residential Use: Ideal for medium-sized homes, apartments, or individual rooms where quiet and efficient climate control is desired.
  • Light Commercial Use: Suitable for small offices, retail spaces, or server rooms, providing reliable and efficient heating and cooling.

In summary, the MSZ-GX12NL air handler offers quiet, energy-efficient operation with enhanced air quality and a durable, compact design. Its user-friendly features, low maintenance requirements, and versatile installation make it an excellent choice for both residential and light commercial HVAC applications.

Installation Kit for Condensers - Accessory Set

Ensure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.

Key Features:

All-in-One Kit: Includes key accessories for a professional-grade installation.
Enhanced System Protection: Features a surge protector and disconnect safety switch for added safety.
Reliable Electrical Connections: Comes with a whip and charging adapter to ensure proper power supply.
Secure Wall Penetration: Telescoping wall sleeve protects and stabilizes refrigerant and electrical lines.
HVAC Professional Recommended: Ideal for new installations and system replacements.

What’s Included:

  • 1/2" x 6' Electrical Whip – SKU: 84136
  • 60A Non-Fused Disconnect – SKU: 83335
  • Surge Protector – SKU: ICM517
  • CPS Charging Adapter – SKU: 87-AD87
  • Telescoping Wall Sleeve – SKU: NFP-75

Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!

E Lite Equipment Pad 18" x 38" x 3"

E Liteis a plastic pad designed as a mounting base for air conditioning condensers. The rugged design provides uniform and generous ribbing for optimum, self-leveling ground support without inserts. E Lite is injection molded from polypropylene, resulting in a pad that is lightweight, but not too light. A subtle texture prevents unit slide and presents a classic appearance, which is enhanced by rounded edges and a concrete gray color. Each pad is molded with its size in raised letters.

  • High recycled plastic content
  • Subtle texture resists unit slide
  • Unaffected by UV or weather
  • Uniform ribbing transfers load evenly
  • Drillable for securing unit
  • Lightweight, yet rugged

No Return Policy

All sales of this product are final and are non-refundable.

Condenser Risers - 4" x 18" - 2 Pack

Provides simple and secure mounting for small and large piping systems, ductwork runs, cable trays and smaller equipment such as condensers. Linear track offers adjustable mounting. Manufactured from exterior grade materials.

Features

  • Ideal for piping, duct runs, cable trays and condensers
  • Weather resistant PVC
  • Linear track holds 3/8" hex head bolts
  • Two 7/8" long bolts included
  • Weighs up to 397 Ib
E Lite Equipment Pad and Risers Kit 18" x 38" x 3"

E Lite Condenser Pad and Risers

E Lite Condenser Pad

E Lite Condenser Pad is designed to provide solid support for air conditioning condensers. It's made from sturdy polypropylene, striking a balance between lightness and stability. Its robust design ensures a level ground without the need for extra components.

Key Features:

  • Reliable Support: Abundance of ridges for stable ground support.
  • Durable and Lightweight: Tough yet not excessively heavy, thanks to polypropylene construction.
  • Anti-Slip: The surface prevents slipping, and rounded edges enhance safety.
  • Simple Appearance: Gray color with size labels.
  • Versatile Use: Suitable for condensers, pipes, ducts, cables, and more.

E Lite Risers

E Lite Risers complement the Condenser Pad, allowing you to adjust your setup as needed. They are constructed from weather-resistant PVC for outdoor use.

Key Features:

  • Weather Resistance: Made from tough PVC for long-lasting performance.
  • Secure Setup: The track securely holds bolts in place.
  • Bolts Included: Each set comes with two bolts.
  • Strong Support: Capable of handling loads of up to 397 pounds.

E Lite Condenser Pad and Risers offer reliable support without any complications. They are built to last and deliver efficient performance. Consider E Lite for your support needs – it's a practical solution for your projects.

No Return Policy

All sales of this product are final and are non-refundable.

Refrigerant Line Set with 1/4" and 3/8" Line Ends - 15 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 3/8 inch O.D. flared ends, length 15 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 35 feet

This insulated refrigerant line set for mini split systems comes as a pair, including both the liquid line and suction line. It is used to connect the indoor air handler to the outdoor condenser. The line set is 35’ feet long. The liquid line has 1/4 inch outside diameter flared ends. The suction line has 3/8 inch outside diameter flared ends.

Features:

  • Insulated
  • Flared Line Ends
  • Heavy Duty Refrigerant Lines
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 50 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 3/8 inch O.D. flared ends, length 50 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 25 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 3/8 inch O.D. flared ends, length 25 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 30 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 3/8 inch O.D. flared ends, length 30 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Wall Mount Bracket for Mini Split Systems

This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 17” long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.

Features:
  • 17” Arm Length
  • Weight capacity of 220 lbs per arm
  • Bolts and anti-vibration washers included

No Return Policy

All sales of this product are final and are non-refundable.

Mitsubishi MHK2 Wireless Remote Controller

The Mitsubishi MHK2 is the second revision of Mitsubishi's most popular wireless controller set, now available for M & P Series residential and light commercial units. This controller offers in-depth 7-day scheduling and an easy to read, backlit display.

The updated MHK2 can now be used in tandem with the Kumo Cloud wi-fi adapter, sold separately. No longer do you have to choose between internet and wireless control: you can use both!

The MRCH2 is the main body of the thermostat. This can be placed anywhere within 200 feet of the indoor unit and does not require line of sight. The ;MRC2 cable will connect to the CN105 connector on the indoor unit's control board. The other end of this cable will connect to the MIFH2 receiver. The MIFH2 should be placed on the right side of a wall mounted unit, in the pocket of a MLZ-KP cassette, or anywhere near the control side of a ducted or square cassette unit.

Features:

  • Includes MRCH2 thermostat, MIFH2 wireless receiver, and MRC2 cable
  • Backlit display
  • Can sense temperature at indoor unit (default) or at controller
  • Fahrenheit °F / Celsius °C
  • No batteries required
  • Single zone compatible
  • Multi zone compatible
  • English, French, Spanish

Compatible Indoor Units:

Wall Mounted

  • GL Series: MSZ-GL06NA-U1, MSZ-GL09NA-U1, MSZ-GL12NA-U1, MSZ-GL15NA-U1, MSZ-GL18NA-U1, MSZ-GL24NA-U1, MSY-GL09NA-U1, MSY-GL12NA-U1, MSY-GL15NA-U1, MSY-GL18NA-U1, MSY-GL24NA-U1
  • FH Series: MSZ-FH06NA, MSZ-FH09NA, MSZ-FH12NA, MSZ-FH15NA, MSZ-FH18NA2
  • EF Series: MSZ-EF09NAB-U1, MSZ-EF09NAS-U1, MSZ-EF09NAW-U1, MSZ-EF12NAB-U1, MSZ-EF12NAS-U1, MSZ-EF12NAW-U1, MSZ-EF15NAB-U1, MSZ-EF15NAS-U1, MSZ-EF15NAW-U1, MSZ-EF18NAB-U1, MSZ-EF18NAS-U1, MSZ-EF18NAW-U1
  • JP Series: MSZ-JP09WA-U1, MSZ-JP12WA-U1
  • WR Series: MSZ-WR09NA-U1, MSZ-WR12NA-U1, MSZ-WR18NA-U1, MSZ-WR24NA-U1
  • D Series: MSZ-D30NA-8, MSZ-D36NA-8, MSY-D30NA-8, MSY-D36NA-8
  • P Series: PKA-A12HA7, PKA-A18HA7,PKA-A24KA7, PKA-A30KA7, PKA-A36KA7

Ducted

  • KD Series: SEZ-KD09NA4R1.TH, SEZ-KD12NA4R1.TH, SEZ-KD15NA4R1.TH, SEZ-KD18NA4R1.TH
  • P Series: PEAD-A09AA7, PEAD-A12AA7, PEAD-A15AA7, PEAD-A18AA7, PEAD-A24AA7, PEAD-A30AA7, PEAD-A36AA7, PEAD-A42AA7

Ceiling Cassette

  • KF Series: SLZ-KF09NA, SLZ-KF12NA, SLZ-KF15NA, SLZ-KF18NA
  • KP Series: MLZ-KP09NA, MLZ-KP12NA, MLZ-KP18NA
  • P Series: PLA-A12EA7, PLA-A18EA7, PLA-A24EA7, PLA-A30EA7, PLA-A36EA7, PLA-A42EA7

Floor Mounted

  • MFZ-KJ09NA-U1, MFZ-KJ12NA-U1, MFZ-KJ15NA-U1, MFZ-KJ18NA-U1

Multi Position Air Handler

  • KP: SVZ-KP12NA, SVZ-KP18NA, SVZ-KP24NA, SVZ-KP30NA, SVZ-KP36NA
  • P Series: PVA-A12AA7, PVA-A18AA7, PVA-A24AA7, PVA-A30AA7, PVA-A36AA7, PVA-A42AA7

Ceiling Suspended

  • P Series: PCA-A24KA7, PCA-A30KA7, PCA-A36KA7, PCA-A42KA7
More Information
Mitsubishi 12,000 BTU GX-Series Single Zone Mini Split Heat Pump Condenser – R454B | 230V
SKUMUZ-GX12NL
Weight77.000000
ManufacturerMitsubishi
ReplacesMUZ-GS12NA-U1
Cooling BTU14000
Heating BTU18100
Decibel Level (dBA)51
RefrigerantR454B
SEER225.6
Compressor TypeTwin Rotary
Liquid Valve Size 1/4
Suction Valve Size 3/8
Electrical208/230V 1 Phase 60 Hz
Max Breaker Size21
Min. Breaker Size12
BTU/Tonnage12,000 BTU/1 Ton
Zone CompatibilitySingle Zone
Height11.78"
Width31.40"
Depth9.65"
Warranty10 Years with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Mitsubishi 12,000 BTU GX-Series Single or Multi Zone Wall Mounted Mini Split Air Handler – R454B | 230V
SKUMSZ-GX12NL
Weight26.000000
ManufacturerMitsubishi
ReplacesMSZ-GS12NA-U1
HSPF210.7
Decibel Level (dBA)19-45
RefrigerantR454B
Mini Split TypeWall Mounted
Zone CompatibilityMulti Zone
Height11-5/8"
Width 9-1/8"
Depth31-7/16"
Warranty10 Years with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Installation Kit for Condensers - Accessory Set
SKUMSK001
Weight15.000000
ManufacturerOnline Supply
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
E Lite Equipment Pad 18" x 38" x 3"
SKUEL1838-3
Weight16.000000
ManufacturerOnline Supply
Height3"
Width18"
Depth38"
Safety InformationPROPOSITION 65 WARNING
Condenser Risers - 4" x 18" - 2 Pack
SKU87762
Weight5.000000
ManufacturerOnline Supply
E Lite Equipment Pad and Risers Kit 18" x 38" x 3"
SKU87762 / EL1838-3
Weight25.000000
ManufacturerOnline Supply
Height3"
Width18"
Depth38"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 15 feet
SKU201813
Weight15.000000
ManufacturerOnline Supply
Length15'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 35 feet
SKU366395
Weight35.000000
ManufacturerOnline Supply
Length35'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 50 feet
SKU366396
Weight45.000000
ManufacturerOnline Supply
Length50'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 25 feet
SKU366390
Weight25.000000
ManufacturerOnline Supply
Length25'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends - 30 feet
SKU216740
Weight30.000000
ManufacturerOnline Supply
Length30'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Wall Mount Bracket for Mini Split Systems
SKUHW-600
Weight9.200000
ManufacturerOnline Supply
Length17"
Height20"
Width6"
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Mitsubishi MHK2 Wireless Remote Controller
SKUMHK2
Weight2.000000
ManufacturerMitsubishi
LengthCable:39-23/64"
HeightThermostat: 4-5/64” | Receiver: 3-3/32”
WidthThermostat: 4-5/64” | Receiver: 1-3/4”
DepthThermostat: 1-1/16" | Receiver: 39/64”
Warranty5 Years Parts Warranty
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Write Your Own Review
You're reviewing:Mitsubishi 12,000 BTU GX-Series 25.6 SEER2 Single Zone Wall Mount Mini Split Heat Pump System – R454B | 230V
Your Rating
Customer Questions
No Questions
Did you find what you were looking for?
Why Choose Mitsubishi Mini Splits?
Why Choose Mitsubishi Mini Splits?

Mitsubishi mini split air conditioners and heat pumps provide exceptional comfort, energy efficiency, and ultra-quiet performance in any climate. Engineered for reliability and precision, these systems offer year-round heating and cooling while reducing energy costs and enhancing indoor air quality.